| Entries |
| Document | Title | Date |
|---|
| 20080203976 | Voltage measuring device and voltage measuring system - In a voltage measuring device, according to a setting of input terminals for setting the number of unit cells to be measured SEL | 08-28-2008 |
| 20080218130 | Battery management systems with adjustable charging current - A battery management system includes a monitoring circuit and a charger. The monitoring circuit is operable for monitoring a battery pack that includes a plurality of cells, and for checking an unbalanced condition of the battery pack in each cycle of a plurality of cycles. The charger is operable for controlling a charging current to the battery pack and for receiving monitoring information from the monitoring circuit, and for adjusting the charging current from a first level in a previous cycle to a second level that is lower than the first level in response to a detection of the unbalanced condition in a current cycle. | 09-11-2008 |
| 20080224668 | Generator Device for Independently Charging At Least Two Batteries - A generator device, e.g. a motor vehicle alternator, has a generator and can be electrically coupled to at least two batteries at the output end. The generator device is provided with one respective rectifier circuit for the at least two batteries. The rectifier circuits are configured and can be controlled such that power generated by the generator can be fed to the respective battery independently of the at least one other battery. | 09-18-2008 |
| 20080246442 | Overvoltage Protection Utilized When A Battery Is Removed From A System - A system and method are provided for safely recharging a battery. A current source is coupled to a node and configured to produce a current. The battery is coupled to the node, and is configured to recharge during a recharging cycle based on receiving the current through the node. An overvoltage protection system is coupled between the node and the current source, and configured to disable the current source when a voltage at the node exceeds a threshold value. For example, the current source may be substantially instantaneously disabled when this occurs. | 10-09-2008 |
| 20080252265 | DETECTION CIRCUIT - A detection circuit that reduces circuit scale. A plurality of current amplifiers respectively generate a plurality of detection signals corresponding to current flowing to a plurality of resistors. An error amplifier coupled to the plurality of current amplifiers compares the plurality of detection signals with a plurality of reference signals, respectively, to generate an error signal based on the comparison. | 10-16-2008 |
| 20080284382 | CHARGING CONTROL CIRCUIT - A primary cell and a secondary cell are distinguished from each other. A microcomputer of a digital camera determines a first cell (a primary cell) and a second cell (a secondary cell) as a built-in cell. When a dedicated charging device is connected to a digital camera, a microcomputer activates transistor switches to thus detect a terminal voltage of the second cell. When the terminal voltage shows a finite value, the second cell is determined to be incorporated. When the terminal voltage shows a value of essentially zero, the transistor switch is activated to thus apply a predetermined voltage. When a voltage drop attributable to a resistor has arisen, the second cell is determined to be overcharged. When both a terminal of the second cell and a terminal of the first cell show finite values, a short circuit is determined to have arisen. | 11-20-2008 |
| 20080290840 | Power dissipation limiting for battery chargers - Methods, systems, and apparatuses for charging a battery in a mobile device are described. In embodiments described herein a power supply voltage and/or a power supply current of a power supply coupled to charger of the mobile is reduced. The reduction in power supply voltage and/or current results in a reduction in heat dissipation and power dissipation by the charger. | 11-27-2008 |
| 20080315845 | Battery Full-Charge Detection for Charge-and-Play Circuits - The present invention relates to a battery charge circuit ( | 12-25-2008 |
| 20090009143 | OVERVOLTAGE PROTECTION - An overvoltage protection system capable of maintaining a high setting voltage of a battery charger while guaranteeing that cell voltage does not exceed a value limited by a threshold value. In one preferred embodiment, a battery set is a plurality of series-connected battery cells. A protection voltage measurement portion measures a cell voltage of each battery cell. A computation portion calculates an open circuit voltage of the battery set outputs a calculated voltage as a measurement voltage. An overvoltage setting portion stops charging of battery set when the value of the cell voltage of any one of the battery cells reaches a threshold value. A diagnostic voltage measurement portion measures an open circuit voltage of battery set to output measured voltage as a diagnostic voltage. A comparing circuit stops charging of the battery set based on comparison results of value of the measurement voltage and value of diagnostic voltage. | 01-08-2009 |
| 20090051327 | CHARGER SYSTEM FOR COMMUNICATION DEVICES - A charger system ( | 02-26-2009 |
| 20090079398 | BATTERY OPERATED LED LAMP AND CONTROL - An LED lamp adapted for use as a bicycle light includes a lamp/switch module and a power supply/control module. The control includes a microcontroller that performs both light operating functions and battery charging control functions. A low battery warning is provided as a non-repeating, short sequence of flashes of the lamp. | 03-26-2009 |
| 20090096426 | GENERATOR CONTROLLER - A generator controller, in its various embodiments, displays genset fault messages, a genset elapsed time hour meter, service countdown reminder, monitors battery voltage changes over multiple periods of time to establish and display the “battery level,” uses the “battery level” to automatically start and stop the genset, and accepts multiple run requests from AC loads such as HVAC systems, and incorporates safety or other start inhibit features. | 04-16-2009 |
| 20090096427 | Apparatus for detecting end-of-charge for a battery charger - An apparatus and method for accurate end-of-charge (EOC) detection in a battery charger is provided. An EOC circuit determines that a battery has been fully charged when two conditions are met. The first condition for EOC detection is that the battery has reached a predetermined voltage and, as a result, the battery charger has transitioned to a constant voltage phase of the charging process. The second condition for EOC detection is that the battery current has fallen below a predetermined, set level. When both of these conditions are met, EOC is detected. This bi-condition EOC detection scheme is capable of accurate EOC detection, i.e. determining when the battery is fully charged. | 04-16-2009 |
| 20090096428 | Battery charging method and device thereof - A battery charging method and device thereof are disclosed. The method includes the following steps. First, a charging current is supplied into a plurality of cell blocks of a battery module for charging, and the terminal voltages of the cell blocks are detected, when one of said terminal voltages exceeds a first threshold, the charging is kept continuously over a first preset time period. If one of said terminal voltages of said cell blocks exceeds a second threshold, an over voltage protection is performed, else the charging current is reduced and the battery module is charged by the reduced charging current continuously over a second preset time period and if the cell blocks are determined that they are fully charged, the charging is stopped, otherwise, the battery module is charged continuously. Therefore, the battery charging method and device thereof in accordance with the present invention can prevent the battery module from being overcharged and prolong its life. | 04-16-2009 |
| 20090102429 | Input source detection for a battery charger - A system and method for determining if a USB port can source sufficient current to charge a rechargeable battery at a predetermined peak current level. Detection circuitry is disposed between the USB port and the battery. The detection circuitry includes a current source that is controlled to provide to the battery an increasing current that is sourced by the USB port. As the source current is increased from an initial value to a predetermined peak current source value, the output voltage of the USB port is monitored. If the USB port output voltage drops below a specified threshold voltage before the current source has ramped to the peak current source value, the load current is removed from the battery and an indication is provided that the USB port cannot provide the specified current. The detection process is then repeated after a specified delay interval. If the current source ramps up to the peak source current value and the USB port voltage has not decreased below the specified threshold voltage, charging of the rechargeable battery from the USB port continues at the peak source current. | 04-23-2009 |
| 20090102430 | D.C./D.C. Converter-Regulator - A converter-regulator of a D.C. voltage into a D.C. voltage intended to connect a fuel cell to a filter capable of being connected to means of electrochemical storage of electric power in a charge operation of the storage means. The converter-regulator includes means capable of maintaining, during the charge operation, the voltage across the fuel cell at a given working voltage. | 04-23-2009 |
| 20090102431 | Universal serial bus charger circuit and charging method - The present invention discloses a universal serial bus (USB) charging circuit, comprising: a charging path for charging a battery from a USB host; a charging switch located on the charging path; a current sensing circuit for sensing current information on the charging path; a maximum available current detection circuit for detecting the maximum available current from the USB host; and a loop controller circuit for controlling the charging switch so that the charging current on the charging path is substantially equal to the maximum available current detected by the maximum available current detection circuit, wherein the maximum available current detection circuit detects the maximum available current during circuit initialization and stores it. | 04-23-2009 |
| 20090108814 | Battery Switch Sensor - The invention relates to a battery switch for use in a multi-battery vehicle to selectively connect or isolate batteries from each other. It includes a detector to monitor the voltage of at least a first battery to detect consistently present transient voltages and on detection of such voltages to connect or maintain connected the battery to at least a second battery. The detector monitors the continuance of transient voltages and additionally monitors the voltage of at least the first and second battery, and isolates the batteries from each other where the voltage of either battery falls below a specified voltage despite the detection of transient voltages at the first battery. The invention also relates to a method of initiating the interconnection or disconnection of at least two batteries on a single vehicle, and to a method of detecting the existence of a charging supply on a supply line to an open battery isolating switch. | 04-30-2009 |
| 20090115377 | METHOD OF EXTERNALLY CHARGING A POWERTRAIN - A method of externally charging a powertrain includes monitoring a voltage level of a first battery, determining when the monitored voltage level is below a first voltage threshold, and when the monitored voltage level is below the first voltage threshold, charging the first battery by supplying power from an external power source and increasing voltage of the power supplied by the external power source within the powertrain. | 05-07-2009 |
| 20090121686 | POWER SAVING CHARGER - A power saving charger comprises a switch circuit having an input end connected to an AC current source for turning on or turn off AC current; a switch driving circuit having an output end connected to the switch circuit for outputting signals to turn on or turn off the AC current of the switch circuit; a charging circuit connected to the output end of the switch circuit for converting AC current to DC current so as to charge to a battery of an external load; and a charge detection circuit connected to a charge output end of the charging circuit and a signal output end of the charging circuit for detection the completeness of the charge and detection of the existence of the load; and a signal output end of the charge detection circuit being connected to an signal input end of the switch driving circuit. | 05-14-2009 |
| 20090121687 | Charging method and charging apparatus - A charging apparatus for charging a plurality of batteries has at least two modes including a first mode and a second mode, in which amounts of electricity to charge the batteries are set with reference to a fully charged capacity of the batteries. The apparatus includes mode selection means for selecting either of the first mode and the second mode. The first mode is a mode in which the batteries are charged until the batteries reach a fully charged state. The second mode is a mode in which the charging of the batteries is stopped before the batteries reach the fully charged state. | 05-14-2009 |
| 20090140699 | METHOD AND APPARATUS FOR CHARGING A BATTERY - Portable, battery powered audio playback apparatuses are abundantly available. More and more of these apparatuses have built-in rechargeable batteries. It takes a long time to recharge these batteries. A user may not always need the full amount of power that can be provided by a fully charged battery, but only the amount enough for rendering and reproduction of a limited amount of multimedia data objects. With current art devices, it is difficult to determine when—after which amount of charging time—the battery has enough energy to render a selection of multimedia data objects. Therefore, the invention provides an indicator that indicates during and/or after charging that the battery comprises enough energy to render selected multimedia data objects. | 06-04-2009 |
| 20090140700 | Multi-mode charging system for an electric vehicle - A method and apparatus that allows the end user to optimize the performance of an all-electric or hybrid vehicle and its charging system for a desired mode of operation is provided. The system of the invention includes multiple charging/operational modes from which the user may select. Each charging/operational mode controls the cut-off voltage used during charging and the maintenance temperature of the battery pack. | 06-04-2009 |
| 20090184687 | Method and Apparatus for Battery Charging Based on Battery Capacity and Charging Source Constraints - A battery charging circuit sets charging current according to either the capacity of the battery under charge or a constraint of the charging source, depending on the properties of the charging source. The battery charging circuit sets termination current, however, according to the capacity of the battery under charge, regardless of the properties of the charging source. For example, the termination current may be set as a fixed fraction of the recommended C rate of the battery even if the charging current supplied by the charging source is below this C rate. Always setting the termination current in proportion to the battery's capacity permits detection of the current at which charging should terminate even when the charging current is constrained by the charging source and no longer depends on the battery's capacity. | 07-23-2009 |
| 20090184688 | CHARGING APPRATUS AND METHOD FOR MOBILE TERMINAL - A charging apparatus and method for a mobile terminal are provided. The apparatus and method charge a battery by identifying a charger and operating in an operation mode corresponding to the identified charger. If the mobile terminal is connected to a charger via an outer connector in order to charge the internal power source of the mobile terminal, power and a configuration signal are input from the charger, a logic characteristic is output by using the received configuration signal, and thus the charger can be exactly identified according to the power and the configuration signal. Also, since the internal power source of the mobile terminal is charged through the exactly identified charger, the internal circuit of the mobile terminal or battery can be prevented from being damaged by unstable power of the charger. | 07-23-2009 |
| 20090184689 | METERING SYSTEM AND METHOD OF OPERATION - A metering system for measuring the electrical power used to charge a vehicle is provided. The metering system includes an electrical meter operably coupled to a conductor connected to the vehicle and an electrical outlet. A controller receives signals from the meter to record the measured electrical consumption. The controller includes a plurality of communications devices for communicating with different communications carriers. In one embodiment, the controller selects one of the communications devices based on availability and a desired criterion. The selected communications device then transmits the measured electrical power consumption to a utility provider. In one embodiment, the metering system is mobile. | 07-23-2009 |
| 20090189570 | Vehicle control system capable of controlling electric-power generation state of vehicle alternator - A vehicle control system has a battery, a vehicle alternator for charging the battery, a vehicle-alternator control device capable of controlling the vehicle alternator, and a battery current detection device. The battery current detection device has a battery current detecting means capable of detecting a charging/discharging current of the battery, a battery voltage detection means capable of detecting a voltage of the battery, a battery temperature detection means capable of detecting a temperature of the battery, a microcomputer, and a communication controller. The communication controller performs digital data communication to transfer digital control signals between the vehicle alternator and the battery current detection device. The vehicle alternator has a display unit to display the occurrence of abnormal information of those detection means transferred from the battery current detection device, the occurrence of a battery failure, and a disconnecting of a charging wire of the battery by using different display patterns. | 07-30-2009 |
| 20090189571 | HIGH EFFICIENCY CHARGING CIRCUIT AND POWER SUPPLY SYSTEM HAVING SUCH HIGH EFFICIENCY CHARGING CIRCUIT - A charging circuit includes a main power circuit, a DC-to-DC converting circuit, a detection circuit and a controller. The main power circuit is electrically connected to a power source for converting an input voltage from the power source into a first voltage. The DC-to-DC converting circuit is electrically connected to the main power circuit for converting the first voltage into a second voltage to charge the energy storage element. The detection circuit is electrically connected to the main power circuit and the DC-to-DC converting circuit for detecting a terminal voltage of the energy storage element and the first voltage from the main power circuit, thereby generating a feedback signal. The controller is electrically connected to the detection circuit and the main power circuit for controlling operations of the first switching element in response to the feedback signal, so that the first voltage is adjustable according to the second voltage. | 07-30-2009 |
| 20090195219 | BATTERY SOC ESTIMATION PROGRAM, WIRELESS TRANSIT SYSTEM, AND METHOD OF CHARGING THE BATTERY - Occurrence of overcharging and over discharging of batteries mounted on vehicles that travel on predetermined tracks in a wireless transit system is prevented by estimating SOC of the batteries with accuracy. The program in which an equivalent circuit of the battery is set such that the equivalent circuit is composed of three circuit elements connected in series, a first component resistance which is influenced by instantaneous current variation, a component circuit consisting of a capacitance and a second component resistance connected in parallel which is influenced by slow and excessive response, and a terminal voltage of the battery, runs the computer to calculate open circuit voltage of the equivalent circuit using a value of the first component resistance calculated from measurement of current and voltage of the battery and value of k(=the second component resistance/the first component resistance) and τ(=the capacitance×the second component resistance) which are constant values specific to the battery determined based on measurements, and to calculate state of charge of the battery from the open circuit voltage. | 08-06-2009 |
| 20090200990 | Interchangeable Accumulator Unit - Provision is made for an interchangeable accumulator unit comprising a housing ( | 08-13-2009 |
| 20090206800 | Electronic Device and Connector Fitting Method - An electronic device ( | 08-20-2009 |
| 20090212744 | System for use in gathering or processing data in a healthcare facility having fleet of mobile workstations - A system for use in gathering and/or processing data in healthcare facilities includes a fleet of mobile workstations, a set of interchangeable batteries for the fleet of mobile workstations and a battery recharging system for the set of interchangeable batteries. The battery recharging system includes a common battery charger and a control device configured to reduce variation in charging cycle count among the batteries at least in part by outputting a battery selection signal in response to comparing charging cycle counts for each of the batteries. | 08-27-2009 |
| 20090212745 | METHOD FOR BATTERY CHARGING BASED ON COST AND LIFE - One embodiment of the present subject matter includes a system that includes a battery, an electric vehicle, the battery coupled to the electric vehicle to propel the electric vehicle, and a charging circuit to charge the battery. The embodiment includes a charging cost circuit to estimate a charging cost rate and to turn on the charging circuit. The embodiment also includes a timer circuit to provide a time signal to the charging cost circuit. The embodiment is configured such that the charging cost circuit is to turn on the charging circuit during a first time period in which the charging cost rate is below a first threshold until the battery reaches a first energy stored level, and to turn on the charging circuit during a second time period in which the charging cost rate is above the first threshold. | 08-27-2009 |
| 20090237035 | Circuit and method for detecting absent battery condition in a linear charger - A circuit and method for detecting absent battery condition in a linear charger apply a detecting signal onto an output terminal of the charger and monitor the output terminal to receive a detected signal. The capacitance at the output terminal is significantly different between the presence and absence of a battery connected to the output terminal, and it is thus available to determine from the detected signal, if no battery is connected to the output terminal. | 09-24-2009 |
| 20090243553 | METHOD AND SYSTEM FOR POWER AND CHARGING CONTROL IN A BLUETOOTH HEADSET - Methods and systems for power and charging control in a Bluetooth headset are disclosed and may include measuring a load current during charging of batteries in a mobile device. A completion time of the charging may be predicted. The charging may be terminated based on a sum of the load current and a known charge complete threshold current of the batteries, which may include lithium batteries. A current or voltage source may be controlled for the charging. A current from the current source may be compared to the sum via a current comparator. A rate of charging may be controlled for charging to a desired end voltage based on the predicted completion time. A user preference based on the predicted completion time may be stored, where the user preference may be utilized to control one or more subsequent charges. | 10-01-2009 |
| 20090243554 | Method of protecting battery for hybrid vehicle - The present invention provides a method of protecting a battery for a hybrid vehicle, in which a counter electromotive voltage of a motor is limited by limiting engine RPM if it is determined that there is a risk of battery overcharge in the event of a failure of a component related to motor control, such as a motor controller, a battery controller, etc., thus protecting the battery from the risk of overcharge and securing safety of the battery. | 10-01-2009 |
| 20090243555 | REMAINING BATTERY CAPACITY DISPLAY METHOD AND REMAINING BATTERY CAPACITY DISPLAY UNIT - A method of displaying a remaining battery capacity of a battery pack including battery cells, includes: monitoring at least voltage of the battery cells; outputting voltage information on the voltage; determining whether or not the battery pack is fully charged; when it is determined that the battery pack is fully charged, defining a lowest-voltage battery cell among the battery cells; estimating a charging rate of the lowest-voltage battery cell at a time when the battery pack is fully charged based on a charging rate map and the voltage information; calculating a correction coefficient for making a correction so that the estimated charging rate becomes a maximum value of the remaining battery capacity at a time when the remaining battery capacity is displayed; calculating a charging rate to be displayed, based on a charging rate at the time when the remaining battery capacity is displayed and the correction coefficient; and displaying the calculated charging rate on a display. | 10-01-2009 |
| 20090243556 | SYSTEM AND METHOD FOR MONITORING THE STATE OF CHARGE OF A BATTERY - A process for monitoring the status of a battery. Steps of the process include measuring a battery current and comparing the battery current to a predetermined threshold. A battery status is determined as one of charging, discharging and quiescent. For a battery charging status determination, the charging state of charge of the battery is computed. For battery discharge status determination, the discharge current is compared to a predetermined threshold. Based upon the discharge current comparison, a basis for the discharge current is selected from one of a plurality of predetermined discharge conditions and the discharging state of charge of the battery is computed for the select discharge condition. For a quiescent status, the quiescent state of charge of the battery is computed. The computed state of charge of the battery is provided in a quantitative form. | 10-01-2009 |
| 20090256528 | DIFFUSION-LIMITED ADAPTIVE BATTERY CHARGING - Some embodiments of the present invention provide a system that adaptively charges a battery, wherein the battery is a lithium-ion battery which includes a transport-limiting electrode governed by diffusion, an electrolyte separator and a non-transport-limiting electrode. During operation, the system determines a lithium surface concentration at an interface between the transport-limiting electrode and the electrolyte separator based on a diffusion time for lithium in the transport-limiting electrode. Next, the system calculates a charging current or a charging voltage for the battery based on the determined lithium surface concentration. Finally, the system applies the charging current or the charging voltage to the battery. | 10-15-2009 |
| 20090261786 | BATTERY CHARGE COMPENSATION - A battery charger and method for a rechargeable battery pack which includes various elements in series with the cells to be charged, including but not limited to current control FETs, a fuse, current sense resistor, and internal series impedance of the series connected cells to be charged. The charging current Ichg flowing through these series elements reduces the voltage applied to the cells, thus lengthening charging time. A compensation voltage Vcomp, which when added to the nominal charging voltage for the series connected cells overcomes these voltage drops, facilitates more efficient charging while avoiding over-voltage damage to the cells. Three voltages representing substantially all of the voltage drops reducing the charging voltage on the cells, are summed, and the result is a compensation voltage which is utilized to change the nominal charge voltage for the battery to overcome these voltage drops. | 10-22-2009 |
| 20090267571 | Load current dependent reduction of charge battery current - Circuits and methods to charge batteries of a portable device simultaneously with supplying power to the device for its operation, using a power source with limited maximum current, as e.g. an USB port, have been achieved. The system invented relies upon digital control only. No direct sensing of the current required for the operation of the portable device is required. The control takes care that the sum of the charging current and of the current to run the portable device does not exceed the maximum allowable current of the power source. The current required to run the portable device has precedence over the charging current. | 10-29-2009 |
| 20090273319 | HANDHELD DEVICE WITH FAST-CHARGING CAPABILITY - A handheld device with a fast-charging capability is adapted to be connected to a charger to obtain an electric power. The handheld device includes a battery, a charging circuit, a safety circuit, a control unit, and an input module. The charging circuit is electrically connected to the charger and transfers an electric power to the battery. The safety circuit is used for restricting an upper limit of the electric power transferred by the charging circuit. The input module is provided for a user to input an emergency charge command. Upon receiving the emergency charge command, the control unit instructs the safety circuit to lower the restriction on the charging circuit, so as to raise the upper limit of the electric power that can be obtained by the charging circuit, thereby accelerating the charging of the battery. | 11-05-2009 |
| 20090273320 | CONTROLLING BATTERY CHARGING BASED ON CURRENT, VOLTAGE AND TEMPERATURE - Some embodiments of the present invention provide a system that charges a lithium-ion battery. During operation, the system monitors: a current through the battery, a voltage of the battery, and a temperature of the battery. Next, the system uses the monitored current, voltage and temperature to control a charging process for the battery. In some embodiments, controlling the charging process involves: inferring electrode lithium surface concentrations for the battery from the monitored current, voltage and temperature; and applying the charging current and/or the charging voltage in a manner that maintains the inferred electrode lithium surface concentrations for the battery within set limits. | 11-05-2009 |
| 20090278507 | CHARGING METHOD AND DEVICE - A charging method for a battery includes: enabling a charging device to charge the battery with a first charging voltage having a value that is increasing and a first charging current having a value that is constant; and when it is determined that the value of the first charging voltage is equal to a maximum charging voltage value of the battery, enabling the charging device to charge the battery with a second charging voltage having a value that is equal to a maximum charging voltage value of the battery, and a second charging current having a value that is decreasing. A charging device for realizing the charging method is also disclosed. | 11-12-2009 |
| 20090278508 | METHOD AND APPARATUS FOR CHARGING BATTERIES - A method for charging batteries, in particular lithium batteries, includes the steps of connecting a battery electrically to a battery-charging apparatus, dispensing electric power to the battery by means of the battery-charging apparatus, and regulating the electric current and voltage dispensed by the battery-charging apparatus to the battery. The regulating step includes the steps of detecting the voltage at the terminals of the battery and regulating the voltage dispensed by the battery-charging apparatus, during a phase of constant-voltage battery charging, depending on the voltage detected at the terminals of the battery, to compensate for parasitic voltage drops existing between the battery ( | 11-12-2009 |
| 20090295339 | USB CHARGER USING SENSOR-LESS CURRENT LIMIT - A universal serial bus charger comprises a universal serial bus connector for providing a connection to a voltage source. An output voltage connector provides a charging voltage to a connected battery. A switching voltage regulator generates the charging voltage responsive to the voltage source. Control circuitry monitors an actual charging current applied to the connected battery and provides a programmed current signal enabling the actual charging current to operate at a programmed level if the actual charging current does not exceed a programmed charging current level. The control circuitry provides a charging current limit signal enabling the actual charging current to operate at a predetermined charge current limit if the actual charging current exceeds the programmed charging current level. PWM control circuitry generates switching control signals to control operation of the switching voltage regulator responsive to the control circuitry. | 12-03-2009 |
| 20100001695 | Charging Control Apparatus and Charging Apparatus - A charging control apparatus comprising: a voltage control unit in a charging apparatus configured to control generation of an output voltage and a power supply voltage, the charging apparatus being an apparatus configured to generate, from a voltage of an input power supply applied through a relay, the output voltage for charging a battery and the power supply voltage for control; and a relay control unit operated by the power supply voltage, the relay control unit configured to drive the relay so as to stop applying the voltage of the input power supply to the charging apparatus, when detecting a standby state in which the battery is not being charged, and drive the relay so as to increase the power supply voltage by applying the voltage of the input power supply to the charging apparatus, when the power supply voltage decreases below a predetermined level. | 01-07-2010 |
| 20100013441 | TEMPERATURE CONTROLLER - A temperature controller is provided, which comprises a control circuit. The temperature controller further comprises a charging circuit and a chargeable battery. The charging circuit functions to charge the chargeable battery and at the same time supply power to the control circuit. In the temperature controller according to the present invention, the chargeable battery is charged by an external power source, and the chargeable battery can be reused, thereby reducing cost of the temperature controller and environmental pollution caused by using alkaline batteries. | 01-21-2010 |
| 20100013442 | CHARGING SYSTEM, ELECTRONIC CIRCUIT DEVICE INCLUDING SECONDARY CELL, AND POWER SUPPLY DEVICE FOR CHARGING - Provided is a charging system wherein a voltage and a current can be accurately supplied from a power supply device even with a cable wiring resistance and a connector contact resistance, and the power supply device can be commonly used even for a plurality of kinds of electronic circuit devices whereupon different secondary cells are mounted. The charging system is provided with an electronic circuit device ( | 01-21-2010 |
| 20100019734 | Charge Control Device and Electrically Driven Vehicle - Commercial AC voltage applied to an input terminal ( | 01-28-2010 |
| 20100019735 | Storage system including a plurality of battery modules - In a storage system provided with a plurality of storage modules, the rated power consumption can be reduced. The storage system is provided with a charge control unit. The charge control unit stops, when detecting that a predetermined number of a plurality of battery modules are during battery charging, the battery charging in the remaining battery modules. | 01-28-2010 |
| 20100026247 | CHARGING APPARATUS FOR MOVING ROBOT AND METHOD THEREOF - Provided is a charging apparatus for a moving robot including a charging terminal that is connected to a terminal for charging a battery of the moving robot; a power supply unit that supplies a charging voltage for charging the battery of the moving robot; a power switching unit that outputs a detection signal, depending on whether a voltage is applied from the charging terminal or not, and switches a current flow between the power supply unit and the charging terminal in accordance with an input control signal; and a control unit that responds to the detection signal so as to output the control signal. | 02-04-2010 |
| 20100039071 | BATTERY CHARGER CAPABLE OF SELECTIVELY PERFORMING A PARTIAL OR FULL STATE-Of-HEALTH EVALUATION ON A BATTERY BASED ON THE HISTOR OF THE BATTERY - A rechargable battery with an internal microcontroller. The microcontroller contains a memory in which data regarding the environment to which the battery is exposed are stored. These data are read by a processor integral with the charger used to charge the battery. If these data indicates the battery may have been subjected to a harsh environment, such as being exposed to an excessive temperature, the charger performs a fulle state of health evaluation of the battery. | 02-18-2010 |
| 20100045243 | ELECTRONIC DEVICE, CONTROL METHOD AND PROGRAM - Reduction of wasteful power consumption is envisaged. A power supply function-equipped electronic apparatus ( | 02-25-2010 |
| 20100052623 | System and Method for Remote Battery Sensing - Systems and methods for remote battery sensing and charging are disclosed. A method may include determining whether a charge output of a battery charger is electrically coupled to a rechargeable battery, wherein the charge output is configured to charge the rechargeable battery. The method may also include electrically coupling a terminal of the rechargeable battery to a reference voltage input of the battery charger in response to determining the charge output is electrically coupled to the rechargeable battery, wherein the battery charger is configured to determine whether the rechargeable battery is to be charged based on the reference voltage input voltage. The method may further include electrically coupling the reference voltage input to the charge output in response to determining the charge output is not electrically coupled to the rechargeable battery. | 03-04-2010 |
| 20100060242 | METHOD OF OPERATING A MOBILE DEVICE, APPARATUS AND WIRELESS DEVICE - A method of operating a mobile device, an apparatus and a wireless device are provided. The method of operating a mobile device comprises receiving an external supply voltage, converting the external supply voltage into an operating voltage and operating a circuit with the operating voltage. The method may include disconnecting a rechargeable battery from the operating voltage. The method may include charging a rechargeable battery in a trickle charge manner or in a continous manner depending on a battery voltage. An apparatus is configured to carry out the method. The method may be used by a wireless device. | 03-11-2010 |
| 20100066311 | POWER SUPPLY CIRCUIT AND METHOD FOR PROVIDING OUTPUT VOLTAGE - Various embodiments are described herein for a charging device and an associated charging method for charging a rechargeable battery. The charging device generally includes a current source that is coupled to a power source and configured to provide a charging current to the rechargeable battery. The charging device further includes a controller that is configured to control the current source to provide the charging current with an amplitude that is less than the charging current required by the rechargeable battery in a given charging state to bring an output voltage of the current source towards the voltage of the rechargeable battery. | 03-18-2010 |
| 20100066312 | Overvoltage protection circuit for use in charger circuit system and charge circuit with overvoltage protection function - The present invention discloses an overvoltage protection (OVP) circuit for use in a charger circuit system, comprising: a power transistor electrically connected between a voltage supply and a battery; an OVP circuit which turns off the transistor when a voltage supply exceeds a threshold value; and a multiplexing circuit electrically connected between an output of the OVP circuit and the gate of the transistor. The present invention also discloses a charger circuit with an OVP function, comprising: a single power transistor electrically connected between a voltage supply and a battery; an OVP control circuit which turns off the power transistor when a voltage supply exceeds a threshold value; and a charger control circuit which controls the gate of the power transistor to determine a charge current to the battery when the voltage supply does not reach the threshold value. | 03-18-2010 |
| 20100072956 | Low Power and Accurate Adapter-Current Detection Scheme for Dynamic Load Balancing - A charger provides a charging current to an information handling system battery by measuring current provided from an external power source using a Hall sensor. The Hall sensor is integrated into an integrated circuit of the charger to measure current provided by an external power source and output a voltage proportional to the measured current. The charger analyzes the external power source current relative to an available current to determine the charging current. The Hall sensor provides the total current from the charger with minimal resistance to reduce power consumption at the charger. | 03-25-2010 |
| 20100085021 | METHOD FOR STEPPING CURRENT OUTPUT BY A BATTERY CHARGER - A battery charger is provided for implementing a charging method having a stepped output current. The battery charger includes: a power supply circuit that receives an AC input signal and outputs a DC output signal. The power supply circuit includes a power supply controller configured to receive a feedback signal indicative of current being output by the power supply circuit via an amplifier and operates to control current output by the power supply circuit in accordance with the feedback signal. A charger controller is interfaced with the power supply controller to implement a charging method having a stepped output current. The charger controller may set the output current level by adjusting gain of an operational amplifier having a negative feedback configuration with the feedback signal input to a non-inverting input terminal of the operational amplifier, where the charger controller sets the output current level by changing the resistance at an inverting input terminal of the operational amplifier. | 04-08-2010 |
| 20100085022 | Charging apparatus - A charging apparatus includes: a charging voltage output unit; a duty ratio setting unit; a PWM signal output unit; a reference voltage generation unit; a reference voltage limit unit; a detected voltage generation unit; and a charging voltage control unit. The reference voltage generation unit generates a reference voltage for determining whether or not a charging voltage has reached a target charging voltage, by smoothing a PWM signal outputted from the PWM signal output unit. The reference voltage limit unit limits at least one of a maximum value and a minimum value of the reference voltage generated by the reference voltage generation unit. | 04-08-2010 |
| 20100117603 | Battery Testing and Charging System and Method of Operation Thereof - A battery testing and charging system that includes at least one battery testing device and at least one battery charging device, wherein the battery testing device is removable from the battery charging device and wherein the battery testing device may communicate with a plurality of battery charging devices. Also, a method of testing and charging a battery that may be implemented using, for example, the above-described battery testing and charging system. | 05-13-2010 |
| 20100123438 | ELECTRIC VEHICLE AND ELECTRIC VEHICLE SECONDARY BATTERY CHARGE METHOD - An electric vehicle includes a secondary battery which performs charge from an external power source and travels by using power of the secondary battery. The electric vehicle further includes: a charging unit which charges the secondary battery with power supplied by connecting a charge plug to the external power source; and a control unit which performs information acquisition or control for respective constituent elements. The control unit acquires a remaining capacity value from the secondary battery upon charge. When the control unit judges that a high charge capacity state continues a predetermined number of times, the control unit performs charge up to a charge capacity lower than a full electric capacity amount. This can suppress degradation of the secondary battery by charge. | 05-20-2010 |
| 20100127668 | Voltage drop compensation for an electric power storage device charging system - A system includes an electrical energy storage device that may be in the form of one or more batteries, a charger to selectively charge the electrical energy storage device, and charger cabling sized to electrically interconnect the storage device and the charger together and span a distance separating them. The charger cabling is initially connected across the charger without the storage device to determine information specific to voltage drop caused by the cabling. The system is then reconfigured so that the cabling connects the storage device to the charger for charging. During this charging operation the previously gathered information is used to compensate for the voltage drop along the cabling as the storage device is charged with the charger. | 05-27-2010 |
| 20100127669 | CONTROL DEVICE AND CONTROL METHOD FOR ELECTRIC SYSTEM - In an electric system including a first converter and a second converter connected in parallel, an ECU executes a program including a step of selecting a charging mode for a first battery pack connected to the first converter and a charging mode for a second battery pack connected to the second converter, and a step of controlling a charger connected to the first battery pack, the first converter and the second converter to charge the first battery pack and the second battery pack in the selected charging modes. | 05-27-2010 |
| 20100141218 | CHARGING CIRCUIT - A charging circuit that prevents a system abnormality caused by removal of a battery. The charging circuit includes a constant voltage charge controller which detects charge voltage and performs a constant voltage charging operation. A constant current charge controller detects charge current and performs a constant current charging operation. A controller controls the constant voltage charge controller to perform the constant voltage charging operation during a period from when the charge voltage reaches a fully charged voltage to when the charge current decreases to a charge completion current. The controller suspends charging the battery when the constant voltage charging operation is being performed and detects whether or not the battery is coupled to the charging circuit based on the charge voltage during the charging suspension. | 06-10-2010 |
| 20100141219 | BATTERY PROTECTION CIRCUIT - A battery circuit includes a monitoring circuit, an integrator circuit, and a comparator. The monitoring circuit can be used to monitor a cell and generate a monitoring signal indicating a cell voltage of the cell. The integrator circuit accumulates a difference between the monitoring signal and a first predetermined threshold over a time period to generate an integrating output. The comparator compares the integrating output to a second predetermined threshold and generates a control signal. | 06-10-2010 |
| 20100148731 | METHOD AND CHARGER FOR BOOST CHARGING A CHARGEABLE BATTERY ON THE BASIS OF A PHYSICAL MODEL - The invention relates to a method of charging a rechargeable unit, such as a rechargeable battery or a rechargeable battery pack, wherein the charging current is larger than the nominal charging current (C) if at least one condition in the rechargeable unit is met, and wherein the at least one condition is continuously calculated from measurable variables of the rechargeable unit through a physics-based model. The invention also relates to a corresponding method. The features of the invention allow a continuous monitoring of the variables in the battery, so that a proper criterion is available for the decision if charging with high charge current is allowable without a reduction of the lifetime of the battery. | 06-17-2010 |
| 20100164440 | Charger for electronic device, electronic device, and charging method - A charger for an electronic device that charges a rechargeable battery of the electronic device. The charger includes a detection unit, which detects connection of another electronic device to the electronic device through a communication cable including a power supply line. A charging unit charges the rechargeable battery with power supply voltage from the power supply line. A measurement unit acquires a measurement value indicating a degree of a voltage drop of the power supply voltage occurred when the charging unit performs charging. A control unit instructs a charging current value for charging the rechargeable battery with the charging unit. When the detection unit detects connection of the other electronic device, the control unit monitors the measurement value while instructing the charging unit to increase the charging current value from an initial current value and determines the charging current value based on the monitored measurement value. | 07-01-2010 |
| 20100194352 | CHARGING CIRCUIT, CHARGING APPARATUS, ELECTRONIC EQUIPMENT AND CHARGING METHOD - A charging circuit includes a monitoring part configured to monitor a battery voltage applied to a battery and configured to output an overvoltage signal when the battery is in an overvoltage condition a protection part configured to electrically disconnect the battery from an adaptor when receiving the overvoltage signal, and a switch which, when the battery is electrically disconnected from the adaptor, switches a monitoring node for an adaptor voltage outputted from the adaptor, from a supply node of the battery voltage to a supply node of a system voltage, which is applied to a system electrically connected with the battery and the adaptor, based on the overvoltage signal to cause a control command for controlling the adaptor voltage based on the system voltage to be outputted. | 08-05-2010 |
| 20100194353 | RV CONVERTER WITH CURRENT MODE AND VOLTAGE MODE SWITCHING - A switched mode converter is disclosed that includes both voltage mode and current mode control. The switched mode converter also includes mode logic for switching between a voltage mode and a current mode. The converter includes current sensing circuitry for sensing the switcher current on the primary side of the transformer and the load current on the secondary side as well as voltage sensing circuitry for sensing the converter output voltage. When the load current is less than a predetermined value, the converter operates in a voltage mode. During the voltage mode, the output voltage of the voltage mode controller is used to control the duty cycle of a pulse width modulation (PWM) controller. When the load current is greater than a predetermined value, the converter operates in a current mode. In a current mode, the primary switcher current is used to control the PWM controller. As such, during a light load in which the converter is voltage controlled, there is no need for a minimum load to stabilize the control loop. In a current-mode, the control loop will have a relatively faster transient response and avoid flux imbalance in push-pull topology. As such, the converter provides the advantages of both known voltage controlled and current controlled switched mode converters. In addition, by the careful arrangement of the locations of a EMC filter, a primary heat sink, a secondary heat sink, a power transformer T | 08-05-2010 |
| 20100201328 | CHARGEABLE MOBILE SECURITY SYSTEM - A security system with an internal chargeable power source is provided. The chargeable power source may be charged using techniques that may reduce dependence on external power sources. Such a security system may therefore be suitable for a wide range of applications including those with no readily available external power sources. For some embodiments, the security system generally includes surveillance equipment, a battery powering the surveillance equipment, a diesel engine-generator set (gen-set) for charging the battery, and control logic configured to control the charging of the battery by the diesel gen-set based on the output voltage of the battery. | 08-12-2010 |
| 20100219797 | Circuit and Method of Operation for an Electrical Power Supply - A battery charging circuit comprising: a semiconductor switch having an output connected to a rechargeable battery; a battery charge controller for receiving power from an external source, and supplying output power to a portable device and the input of the semiconductor switch, the current output of the battery charge controller being controllable; and a voltage sensing circuit for: measuring the voltage drop across the battery charge controller; and responding to the voltage drop across the battery charge controller by modulating the semiconductor switch to reduce the quantity of current supplied to the rechargeable battery when the voltage drop is too great; whereby the total power dissipated by the battery charge controller is controlled, the portable device receiving the power it needs to operate and the rechargeable battery receiving any additional available power. | 09-02-2010 |
| 20100231175 | POWER SUPPLY CIRCUIT, CHARGING UNIT HAVING THE POWER SUPPLY CIRCUIT, AND POWER SUPPLY METHOD - A power supply circuit supplying power to a charge control circuit charging a secondary battery is disclosed. The power supply circuit includes a direct-current power supply configured to generate and output a predetermined voltage; and a DC-DC converter configured, to detect the voltage of the secondary battery, convert the predetermined voltage input from the direct-current power supply into a voltage according to the detected voltage of the secondary battery, and output the converted voltage to the charge control circuit. | 09-16-2010 |
| 20100231176 | Battery Charging System and Method - Methods, devices, and systems for charging a battery in a mobile device are provided. For example, in one embodiment, among others, a battery charging system includes a monitoring circuit configured to monitor a battery and generate a sense current. The battery charging system further includes a comparing circuit configured to compare a reference current and the generated sense current. The comparing circuit is further configured to generate a comparison signal. Also, the battery charging system further includes a control circuit configured to control a level of a charging current applied to the battery based on the comparison signal. | 09-16-2010 |
| 20100231177 | BATTERY PACK AND CHARGER SYSTEM - A battery pack includes plurality of secondary battery cells, a voltage measurement module configured to measure a voltage of each of the plurality of secondary battery cells, a charge switching module configured to turn on and off a charge current to the plurality of secondary battery cells, a first judgment module configured to judge whether a highest voltage value measured by the voltage measurement module is equal to or greater than a predetermined value, and a charge stop module configured to turn off the charge switching module when the highest value is equal to or greater than a predetermined value. | 09-16-2010 |
| 20100244780 | Battery Recharging - A method and apparatus are disclosed for charging an internal battery of a topical negative pressure (TNP) system. The method includes the steps of determining a value of current required by a TNP system, comparing the required current value with a predetermined current value and setting a resistance provided by a variable resistance element responsive to the comparison to thereby supply unrequired current as battery charging current to an internal battery of the TNP system. | 09-30-2010 |
| 20100244781 | CELL MANAGEMENT SYSTEM - A cell management system and method for balancing energy across a plurality of cells coupled to a circuit bus. The system can include a transformer, two transformer switches, and for each cell, a first switch pair allowing transfer of energy between the transformer and the cell, and a second switch pair allowing removal or inclusion of the cell in the serial connection of cells. The system can include an energy storage device, a switch pair allowing transfer of energy between the transformer and the storage device, and for each cell, a third switch pair allowing transfer of energy between the storage device and the cell. The system can include cell, bus and storage device sensors and state estimators. The system can include a controller that controls the transformer switches, cell switches, and storage device switches based on the sensor readings and states. | 09-30-2010 |
| 20100244782 | CHARGING CONTROL DEVICE AND METHOD, CHARGING DEVICE, AS WELL AS PROGRAM - A battery state monitoring portion intermittently monitors the low voltage battery for supplying power to electrical components arranged in a vehicle while the power supply to the low voltage system load other than a +B load is stopped, a DCDC converter is stopped, and a +B power supply mode in which the vehicle cannot travel is set. A charging control portion starts up the DCDC converter and charges the low voltage battery with the power of a high voltage battery as a power source of the vehicle through the DCDC converter when the voltage of the low voltage battery becomes lower than or equal to a charging start voltage when the +B power supply mode is set. The present invention can be applied to a charging device of a battery of an electric vehicle. | 09-30-2010 |
| 20100244783 | Load current dependent reduction of charge battery current - Circuits and methods to charge batteries of a portable device simultaneously with supplying power to the device for its operation, using a power source with limited maximum current, as e.g. an USB port, have been achieved. The system invented relies upon digital control only. No direct sensing of the current required for the operation of the portable device is required. The control takes care that the sum of the charging current and of the current to run the portable device does not exceed the maximum allowable current of the power source. The current required to run the portable device has precedence over the charging current. | 09-30-2010 |
| 20100253292 | SECONDARY LITHIUM ION CELL OR BATTERY, AND PROTECTING CIRCUIT, ELECTRONIC DEVICE AND CHARGING DEVICE OF THE SAME - The present invention provides a new method for improving capacity, average operating voltage and specific energy of a secondary lithium ion cell or battery. This method is achieved by means of properly adjusting the ratio between a positive material and negative material, which is calculated by theoretical specific energy, and properly increasing charge cut-off voltage. The present method can greatly increasing specific energy and average operating voltage of a secondary lithium ion cell without influence on recycle property of the cell. The present invention also provides a secondary lithium ion cell or battery practicing the method, a protecting circuit adapted for the secondary lithium ion cell or battery, a electronic device using said protecting circuit and said secondary lithium ion cell or battery, and a charging device for the secondary lithium ion cell or battery. | 10-07-2010 |
| 20100259227 | METHOD AND SYSTEM FOR CONTROLLING CURRENT FLOW THROUGH A POWER DISTRIBUTION CIRCUIT - A method for controlling a current flow through a power distribution circuit includes determining a current flow through a load electrically connected with the power distribution circuit, and a wire gauge of the power distribution circuit based on a measured output current and output voltage of the power distribution circuit. The method also includes controlling the output current based on the current flow through the load and the wire gauge. | 10-14-2010 |
| 20100259228 | ELECTRONIC DEVICE AND POWER CHARGING SYSTEM THEREOF - A power charging system includes an embedded controller (EC), a control integrated circuit (IC), a current charging IC, and a power converter. The embedded controller outputs a pre-charging signal, a first charging signal, and a second charging signal according to the electricity quantity of the rechargeable battery. The control IC controls a plurality of switches to be on or off to generate a configuration of a plurality of configurations according to the received pre-charging signal, the received first charging signal, and the received second charging signal and correspondingly generates a voltage value according to the configuration. The current charging IC receives the voltage value and outputs a control signal. The power converter converts a direct current outputs to a charging current with a specific value according to the received control signal. | 10-14-2010 |
| 20100283433 | CHARGE EQUALIZATION APPARATUS WITH PARALLEL CONNECTION OF PRIMARY WINDINGS OF MULTIPLE TRANSFORMERS - The present invention relates, in general, to a charge equalization apparatus for batteries and, more particularly, to a charge equalization apparatus, in which the primary windings (M | 11-11-2010 |
| 20100289457 | ENERGY EFFICIENT AND FAST CHARGE MODES OF A RECHARGEABLE BATTERY - A method of providing power to an electronic device in an energy-efficient manner includes transitioning between power states corresponding to charging and discharging a battery. The state of charge of the battery is detected. Upon detecting a high threshold state of charge, an external power source such as an AC-to-DC adapter is disabled, and the battery to provides primary power to the electronic device. Upon a low threshold state of charge, the AC-to-DC adapter is controlled to provide a high current output to charge the battery and provide primary power to the electronic device. The power states, when cycled over time based on the state of the battery, provide for an energy-efficient method of powering the electronic device. | 11-18-2010 |
| 20100301813 | METHOD FOR CHARGING LITHIUM BATTERIES WITH POWER DISSIPATION CONTROL - Herein described are at least methods and systems to control power dissipation while charging a device. In a representative embodiment, the method comprises first monitoring a first voltage output by a charger used for said charging a battery of a device, second monitoring a second voltage at the battery, first determining a first current based on a power dissipation value associated with the device, the first voltage, and the second voltage, second determining a minimum of the first current and a second current, wherein the second current equals the maximum charging current during a typical charge cycle of the device, and applying a control signal to a control circuit to generate the minimum, wherein the control circuit is communicatively coupled to the charger at a first port, and the battery at a second port. An exemplary system comprises one or more circuits operable for, at least performing the aforementioned method. | 12-02-2010 |
| 20100308775 | BATTERY PACK AND SECONDARY BATTERY SYSTEM - A battery pack is a battery pack chargeable a normal charge and a quick charge, and includes: a normal charging terminal | 12-09-2010 |
| 20100327818 | CHARGE CONTROL CIRCUIT, AND CHARGING DEVICE AND BATTERY PACK INCORPORATED WITH THE SAME - A charge control circuit that controls a charging section which charges a secondary battery by supplying a charging current to the secondary battery. The charge control circuit includes a voltage detection section which detects a terminal voltage of the secondary battery; a primary charge processing section which performs a charge processing of acquiring, as a first terminal voltage, a terminal voltage detected by the voltage detection section while causing the charging section to charge the secondary battery; a charging suspend voltage acquiring section which causes the charging section to suspend the charge after the first terminal voltage has been acquired by the primary charge processing section, and acquires, as a second terminal voltage, a terminal voltage detected by the voltage detection section in a state that the charge is suspended; and a charging end determining section which determines whether or not the charge of the secondary battery is to be terminated, based on a difference between the first terminal voltage acquired by the primary charge processing section and the second terminal voltage acquired by the charging suspend voltage acquiring section. | 12-30-2010 |
| 20110006741 | BUILDING AND POWER STORING METHOD - A building includes: a plurality of secondary battery housing portions provided dispersed in a plurality of locations inside or inside and outside; and a plurality of secondary batteries, a respective one of the secondary batteries housed in a respective one of the plurality of secondary battery housing portions. | 01-13-2011 |
| 20110012563 | FAST CHARGING OF BATTERY USING ADJUSTABLE VOLTAGE CONTROL - A battery cell charger for rapidly charging a lithium ion battery cell (or string of series-parallel connected cells) having a maximum battery cell voltage the battery cell charging system including: a circuit for charging the battery cell using an adjustable voltage charging-profile to apply a charging voltage and a charging current to the battery cell wherein the adjustable voltage charging-profile includes: a first charging stage with a constant first stage charging current and an increasing battery cell voltage with the first stage charging current provided until the first stage charging voltage is about equal to a first stage complete voltage less than the maximum battery cell voltage; one or more intermediate charging stages, each intermediate stage selected from the group consisting of one or more of an intermediate constant voltage stage that provides a decreasing charging current, an intermediate constant current stage that produces an increasing battery cell voltage, and combinations thereof; and a final charging stage with a constant final stage charging voltage about equal to an intermediate stage complete voltage and a decreasing final stage charging current with the final stage charging voltage provided until the final stage charging current reaches a desired charge complete level. | 01-20-2011 |
| 20110012564 | DC POWER TOOL WITH A SAFETY DETECTION DEVICE - A DC power tool having an interiorly provided lithium battery element and a charging switch includes a safety protection module to eliminate the risk of circuitry burn-out and other dangers resulting from connecting the power tool to a power supply with unmatched rated voltage and rated current when charging the power tool via use of an adapter. | 01-20-2011 |
| 20110018502 | ELECTRICITY SUPPLY APPARATUS OF AN INDUSTRIAL SITE - An electricity supply apparatus includes a control device configured to calculate an amplitude of a control signal and to generate the control signal; an energy station configured to draw a current from a mains, to provide part of the drawn current to the load, to receive the control signal from the control device, and to vary the drawn current according to the amplitude; and a battery configured to recharge by drawing part of the drawn current and to discharge by supplying the load. The apparatus is characterized in that the control device is further configured to calculate the amplitude of the control signal also according to battery information relating to a recharge and/or a discharge condition of the battery. | 01-27-2011 |
| 20110018503 | Method and Apparatus for Charging a Battery to an Enhanced Capacity - A lithium-ion battery ( | 01-27-2011 |
| 20110031938 | Method of Estimating Battery State of Charge - The present teachings are directed toward a machine implemented method for estimating the state of charge of a battery. The machine implemented method includes providing measured and estimated cell terminal voltage to a model coefficient updater to update a model coefficient. Battery current information is provided to a battery state of charge estimator along with the updated model coefficient so that the estimated state of charge can be determined. A multi-layer model can be utilized to determine the states of charge for layers of the electrodes. The method can be implemented on a processing device, and is particularly applicable to Li-ion batteries. | 02-10-2011 |
| 20110037440 | Process for producing lithium secondary battery - A process for producing a lithium secondary battery employs a charging method where a positive electrode upon charging has a maximum achieved potential of 4.3 V (vs. Li/Li+) or lower. The process includes charging the lithium secondary battery to reach at least a region with relatively flat fluctuation of potential appearing in a positive electrode potential region exceeding 4.3 V (vs. Li/Li | 02-17-2011 |
| 20110050180 | Charging Control Circuit - A charging control circuit includes connecting terminals series-connected with one another and each adapted for connecting one battery, a current control circuit or both a current-restraining unit and a switch unit connected with each connecting terminal, a charging unit for charging the batteries, and a control unit for detecting the voltage of each connecting terminal to judge whether the connecting terminal disconnects with the battery or not and whether the battery is fully charged or not, then control the current control circuit or a switch state of the corresponding switch unit to adjust the flow direction of a charge current from the charging unit. When all of the batteries are detected to be fully charged, the control unit controls the current control circuits or switch units to be connected to divide the charge current, or controls the charging unit to directly provide a trickle current. | 03-03-2011 |
| 20110057625 | CHARGE CONTROLLER - A charge controller includes a power supply circuit and a battery charge circuit. The power supply circuit converts the input voltage into an output voltage for supply to the load at the output terminal. The power supply circuit includes an output current detection circuit and an output current limiting circuit. The output current detection circuit detects an output current supplied through the power supply circuit. The output current limiting circuit limits the output current below a maximum output current limit. The battery charge circuit derives power from the power supply circuit to charge a secondary battery. The battery charge circuit includes a charge current detection circuit and a charge current setting circuit. The charge current detection circuit detects a charge current supplied to the secondary battery. The charge current setting circuit regulates the charge current to a set current value. | 03-10-2011 |
| 20110068749 | BATTERY CHARGING AND ELECTRICAL ENERGY DELIVERY SYSTEM AND BATTERY OPERATED SYSTEM - A battery charging and electrical energy delivery system ( | 03-24-2011 |
| 20110074363 | ELECTRONIC APPARATUS WITH FAKE CHARGING PREVENTING FUNCTION AND METHOD THEREOF - A method for preventing fake charging of an electronic apparatus is provided. The method includes: providing a power management table for setting function units for each power range; activating a fake charging preventing function according to a predetermined condition or an activating operation of users; detecting power of the electronic apparatus every a first predetermined time interval; determining a current power range the detected power falls into; determining whether the current power range is changed; beginning to time when the current power range is changed; activating function units which are disabled and whose power range is the current power range when the timing reaches a second predetermined time interval and the detected power is still in the current power range. | 03-31-2011 |
| 20110080143 | BUCK-BOOST CIRCUIT - In accordance with some embodiments, a buck-boost circuit is contemplated which is bi-directional. That is, the buck-boost circuit be configured to produce a load voltage for a load responsive to a source voltage from a voltage source, and the buck-boost circuit may also be configured to produce a charging voltage for the voltage source responsive to a second voltage source connected to the load. In an embodiment, the buck-boost circuit may be operating in boost mode when providing the load voltage and may be operating in buck mode when providing the charging voltage. | 04-07-2011 |
| 20110095728 | METHOD AND APPARATUS FOR RECHARGING BATTERIES IN A MORE EFFICIENT MANNER - A battery charger including a converter unit, a terminal adaptor, a cable, a battery, and/or multiple power connectors. A terminal, such as an electronic device, can be connected to the converter unit using the cable or directly to the converter unit without the cable. The converter unit determines when to draw power from an external power and when to cease drawing power from the external power source by detecting a power enablement condition or a power disablement condition. The power disablement condition occurs when the terminal is fully charged, the terminal is disconnected from the converter unit, and/or a charge time of the terminal exceeds the predetermined charge time threshold. The power enablement condition occurs when the terminal is initially connected to the converter unit and/or the terminal needs to be charged. The battery supplies power to components of the converter unit and/or the terminal. | 04-28-2011 |
| 20110095729 | CHARGING CIRCUIT AND CHARGING METHOD - A charging circuit that simultaneously charges a battery with an electrical current supplied from an external power source and supplies the electrical current supplied from the external power source to a load includes a power supply circuit to supply an electrical current from the battery to the load when a load current required by the load is greater than a maximum supply current of the external power source, a detector to detect a voltage of the battery, and a controller to control power supply to the load as well as charging the battery. When the detected voltage of the battery is lower than the predetermined threshold, the controller stops supplying the electrical current from the battery to the load and charges the battery with the electrical current supplied from the external power source. | 04-28-2011 |
| 20110101924 | ELECTROLYTIC SOLUTION FOR LITHIUM BATTERY, LITHIUM BATTERY COMPRISING THE SAME AND METHOD OF OPERATING THE LITHIUM BATTERY - An electrolytic solution for a lithium battery including a positive electrode having a nickel-cobalt-manganese based active material, the electrolytic solution including a nonaqueous organic solvent and a lithium salt, the nonaqueous organic solvent including ethylene carbonate and dimethyl carbonate, a lithium battery including the electrolytic solution, and a method of operating the lithium battery. | 05-05-2011 |
| 20110101925 | FEEDBACK-ADJUSTABLE CHARGING SYSTEM AND METHOD THEREOF - The present invention provides a feedback-adjustable charging system applicable to a rechargeable electronic device and a method thereof. The feedback-adjustable charging system comprises a converter module, an adjustable voltage module and maybe a connective module. The converter module is coupled to an AC power supply and is used for converting AC power from the AC power supply into DC power. The adjustable voltage module is coupled to the converter module for receiving the DC power and producing a voltage used for charging. The connective module is coupled to the electronic device and the adjustable voltage module for receiving and transmitting the charging voltage to the electronic device and for producing a feedback parameter to the adjustable voltage module. In the charging system, the adjustable voltage module is used to adjust a value of the charging voltage according to the feedback parameter. | 05-05-2011 |
| 20110115443 | CHARGE DEVICE, ELECTRONIC DEVICE AND CHARGE METHOD THEREOF - A charge device is provided. The charge device includes a charge interface, a voltage detector and a control circuit. The charge interface receives a first power and provides a charge power to charge a rechargeable device accordingly. The voltage detector detects a charge voltage of the rechargeable device. The control circuit is respectively coupled to the charge interface and the voltage detector. When the charge voltage is smaller than a predetermined voltage, the control circuit makes the charge voltage and a charge current of the charge power to present a proportional relation. An electronic device and a charge method are also provided. | 05-19-2011 |
| 20110121791 | CHARGING MANAGEMENT METHOD AND SYSTEM - A charging method and system. The method includes detecting and monitoring by a computer processor, a frequency signal associated with an input voltage signal used for powering power consumption devices at a first specified location. The computer processor generates frequency level data associated with the monitoring. The computer processor receives a request to enable a charging process for charging a rechargeable power source and power source data associated with the rechargeable power source and a user. In response to the request, the computer processor enables a customized charging process associated with charging the rechargeable power source based on the frequency level data and/or the power source data. | 05-26-2011 |
| 20110140675 | Charging device for different batteries - A battery charging device includes one or more current control converting circuits connected to a voltage stabilization circuit for controlling the charging current through the rechargeable batteries of different voltages or currents or types, one or more protection converting circuits or overcharging protection circuits for protecting the batteries from being overcharged, one or more uninterrupted and reverse charging prevented circuits for protecting the batteries from being charged backwardly, and one or more charging state instruction circuits for indicating the charging status of the batteries and for allowing the different types of rechargeable batteries to be charged with a single charging device. | 06-16-2011 |
| 20110148363 | METHOD FOR USE WITH A VEHICLE BATTERY PACK - A method for use with a vehicle battery pack, where the method determines a voltage threshold that may prevent the vehicle battery pack from being overcharged. The voltage threshold may be a dynamic threshold that changes or adjusts over time in order to accommodate changing conditions in the vehicle battery pack, the vehicle and/or the surrounding environment. The method may consider one or more battery readings when determining the voltage threshold, including temperature, voltage and/or current readings. According to one embodiment, the method is designed to accommodate high-current, short-duration charging events, like regenerative breaking. | 06-23-2011 |
| 20110148364 | ROBOT BATTERY CHARGING APPARATUSES AND METHODS - Systems and methods for charging a battery of a robot are provided. In one embodiment, a method includes providing a robot battery charging apparatus having a plurality of charging terminals, providing a robot having a plurality of battery terminals, and moving the robot into an engagement position with the robot battery charging apparatus such that the plurality of battery charging terminals contact the plurality of charging terminals. The method further includes detecting whether each battery terminal contacts the corresponding charging terminal in accordance with a first, second and third terminal contact condition. The method further includes providing power to the battery from the robot battery charging apparatus through one or more of the battery and charging terminals upon a verification that all of the battery terminals contacted the corresponding charging terminals in accordance with at least two of the first, second and third terminal contact conditions. | 06-23-2011 |
| 20110148365 | Detector for electromagnetic fields - A battery-powered electrical device is disclosed, which may be implemented as an implantable medical device, wherein the device contains at least one battery voltage monitoring unit which is designed to monitor a voltage profile at a battery during the charging of a capacitor, via a transformer in a charging circuit, and which on the basis of the voltage characteristic is able to specify a magnetic presaturation of the transformer, and one control unit which terminates the charging process whenever a predefined threshold value for the magnetic presaturation of the transformer is exceeded. | 06-23-2011 |
| 20110156662 | MANAGEMENT SYSTEM FOR EXCHANGE ELECTRIC STORAGE DEVICES AND MANAGEMENT METHOD FOR EXCHANGE ELECTRIC STORAGE DEVICES - A PC executes a program including a step of selecting an exchange electric storage device with the shortest charging history when a charging request is present, inventory of exchange electric storage devices with completed charging is available, the number of inventory days is equal to or less than A days, and the sufficient number of storage locations is ensured, a step of selecting an exchange electric storage device with the longest charging history when the sufficient number of storage locations is not ensured, and a step of executing charging control when the selected exchange electric storage device is connected to a charger. | 06-30-2011 |
| 20110163726 | BATTERY PACK, CHARGING APPARATUS, AND CHARGING SYSTEM - A battery pack includes a battery cell, a charge calculator that calculates an amount of charge of the battery cell, a charge setting that sets multiple amounts of charge with different upper limits, a charge selecting switch that selects one of the amounts of charge, and a battery controller having a communication function that sends, to the charging apparatus, charge information about the battery cell and charging command information that instructs charging to be continued to an upper limit for the selected amount of charge. | 07-07-2011 |
| 20110163727 | Method for Regulating or Controlling the Charge State of an Electrical Energy Accumulator of a Hybrid Vehicle - A method controls or regulates the charge state of an electrical energy accumulator of a hybrid vehicle, where, in some operating states, the energy accumulator is charged from a low to a higher charge state level by way of an electric machine driven by an internal-combustion engine of the hybrid vehicle and operating as a generator. The level of the charge state to which the energy accumulator is charged by the internal-combustion engine is selected as a function of a parameter representing the load of the electrical system or correlating thereto. | 07-07-2011 |
| 20110169460 | HYBRID VEHICLES - In a battery charging system for a hybrid vehicle, a user-operated switch is provided for triggering an engine to charge battery at an earlier stage for an extended journey as compared to a normal journey. A sensor is provided to detect a charge state level of the battery, the output of the sensor being compared at with a threshold set by switch. | 07-14-2011 |
| 20110187330 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY APPARATUS AND METHOD FOR CHARGING ANODE OF THE SAME - The present invention suppresses a decrease in the capacity of a lithium ion battery. A polymer forming agent or a sacrificial reducing agent is added to a nonaqueous electrolytic solution. A voltage is then applied to between a battery container and an anode. Thus, lithium ions can be inserted into the anode to recover the capacity of the battery. | 08-04-2011 |
| 20110187331 | HYBRID ARCHITECTURE FOR DC POWER PLANTS WITH A CONTROLLER FOR PROVIDING REDUNDANT RECHARGE CAPABILITIES - Included herein is a DC power plant, a DC power system, a method charging a remote battery system and a battery charging controller. In one embodiment, the DC power plant includes: (1) a rectifier system including an AC power input and a DC power output, the rectifier system configured to receive an AC input voltage at the AC power input and produce a DC output voltage at the DC power output and (2) a controller configured to determine a permitted charging current for a remote battery system coupled to the rectifier system and dynamically adjust the DC output voltage to provide the permitted charging current for the remote battery system. | 08-04-2011 |
| 20110199057 | Battery protection circuit and method for energy harvester circuit - Power management circuitry ( | 08-18-2011 |
| 20110199058 | AGM BATTERY RECOVERY AND CAPACITY TESTER - A system for battery recovery and capacity testing, including a battery charger for charging a battery, a load test resistor and a control relay. The system also includes an electronic controller connected to the battery, load test resistor and the control relay, and further in communication with the battery charger, where the electronic controller controls the battery charger so as to allow the battery to be charged, and also allow the battery to be load tested. The electronic controller calculates the capacity of the battery in ampere-hours at the end of the load testing. | 08-18-2011 |
| 20110199059 | CHARGING SYSTEM AND BATTERY PACK - A charging voltage or an overcharge determination value for determining an overcharge state is set taking into consideration the states of secondary battery cells of a battery pack during charging. Charging of the secondary battery cells is then carried out using charging voltages set taking into consideration the states of the secondary battery cells. It is then determined whether or not the secondary battery cells are in an overcharged state using overcharge determination value is set taking into consideration the states of the secondary battery cells. | 08-18-2011 |
| 20110204853 | POWER STORAGE SYSTEM - A power storage system controls a charging mode in which an assembled battery including a plurality of battery modules is charged. The assembled battery is charged through a constant current control based on a predetermined current value in the beginning of the charging mode and is charged through a constant voltage in the end of the charging mode. A determination part determines whether an apparatus electrically connected to an electric power line which the power storage system is electrically connected is in active. A controlling part constantly controls the current value for charging the assembled battery in the charging mode. In a case where the determination part determines that the apparatus is not in active, the controlling part sets the constant current value to a first current value at the beginning of a time period in which the charging mode is performed. In a case where the determination part determines that the apparatus is in active, the controlling part sets the constant current value to a second current value lower than the first current value in the beginning of the time period. | 08-25-2011 |
| 20110234174 | ELECTRONIC DEVICE HAVING POWER MANAGEMENT ASSEMBLY - An electronic device includes a power cable, a host, a rechargeable battery, and a power management assembly. The power cable is configured for electrically coupling an external power supply to the electronic device. The rechargeable battery is electrically coupled to the host. The power management assembly is electrically coupled to the host and the rechargeable battery. The power management assembly is configured for controlling drawing the maximum rated power of the electronic device from the external power supply through the power cable as the power management assembly is being used, and controlling the host to switch on a power-saving mode, and increase current flowing to the rechargeable battery when the host works in the power-saving mode. | 09-29-2011 |
| 20110241627 | BATTERY CHARGER FOR PORTABLE ELECTRONIC EQUIPMENT - There is offered a battery charger for a portable electronic device that has a simple structure and is capable of detecting that the portable electronic device is connected to the battery charger. A first power supply line is connected to a positive terminal (+) of a rechargeable battery, while a ground line is connected to a negative terminal (−) of the rechargeable battery. An output transistor is connected between the first power supply line and a second power supply line. The output transistor is connected to a Vbus terminal of a USB connector through the second power supply line. A controller outputs a voltage of an H level to the Vbus terminal to detect a change in a voltage at the Vbus terminal, and judges whether the portable electronic device is connected to the USB connector based on a result of the detection. The controller turns the output transistor on when the portable electronic device is judged to be connected to the USB connector. | 10-06-2011 |
| 20110254511 | PORTABLE ELECTRONIC DEVICE POWER MANAGER WITH CURRENT LIMIT FEEDBACK CONTROL LOOP MODIFICATION FOR STABILIZING AN EXTERNAL POWER SUPPLY - A portable electronic device has a battery to provide power to operate the device, a connector including a power supply pin to be coupled to an external power supply, and a power manager having a battery charger circuit that draws power through the power supply pin to charge the battery. The power manager has a current limit feedback control loop that limits the drawn current in accordance with a predetermined output current rating of the external power supply. The power manager automatically changes the behavior of its control loop to stabilize operation of the coupled external power supply. Other embodiments are also described and claimed. | 10-20-2011 |
| 20110254512 | TRICKLE CHARGER FOR HIGH-ENERGY STORAGE SYSTEMS - A voltage converter for charging an energy storage module from an alternating current line voltage, includes a first charging stage, coupled to the energy storage module, converting the line voltage to a first rectified direct current module charging voltage communicated to the energy storage module, the first rectified direct current module charging voltage greater than the line voltage, the first charging stage including an inductance for communicating a first charging current to the energy storage module; a second charging stage, switchably coupled serially with the first charging stage, down-converting the alternating current line voltage to a second rectified direct current module voltage, the second rectified direct current module voltage less than the first rectified direct current module charging voltage, wherein the second charging stage produces a second charging current not greater than the first charging current; and a controller for selectably switching the second charging stage serially with the first charging stage when the line voltage has a peak value greater than a predefined relationship to a voltage of the energy storage module wherein the second charging stage communicates the second charging current to the energy storage module through the inductance. | 10-20-2011 |
| 20110254513 | HYBRID WORKING MACHINE HAVING BATTERY PROTECTING FUNCTION - Provided is a hybrid working machine capable of performing battery charging control both for a working period and a standby period. The hybrid working machine includes a hydraulic actuator, an engine, a hydraulic pump driven by the engine to supply hydraulic fluid to the hydraulic actuator, a battery, a generator motor connected to the engine to serve as a generator by an output power of the engine to charge the battery and serve as a motor for assisting the engine by supply of an electric power from the battery, a battery monitor detecting a battery SOC, a controller which controls a charging power of the battery depending on the battery SOC, and a working state detector detecting a working state as information for discriminating between a working period during which the hydraulic actuator is actuated and a standby period during which the hydraulic actuator is not actuated. The controller limits the charging power in the standby period in comparison with in the working period. | 10-20-2011 |
| 20110273144 | UNIVERSAL SERIAL BUS (USB) CHARGING SYSTEM AND METHOD THEREOF - A USB charging system and the method thereof are disclosed. The USB charging system includes a hub device having a charging function module and a plurality of connection ports. The charging function module dynamically distributes the charging current to the connection ports based on power supply ability of a power unit for providing the charging current to at least one chargeable device wherein the charging current is greater than USB protocol current. | 11-10-2011 |
| 20110279093 | MOTHER BOARD ADAPTED TO RAPIDLY CHARGE HANDHELD MULTIMEDIA DEVICE - A mother board adapted to rapidly charge a handheld multimedia device including a controller, a rapid charging initiation unit, a connection port coupled to the handheld multimedia device, and a switching unit. The rapid charging initiation unit provides a first voltage ranging from 3.2 V to 11 V and a second voltage ranging from 2.7 V to 0.6 V. A voltage difference between the first voltage and the second voltage ranges from 0.5 V to 0.8 V. The switching unit is coupled to the controller, the rapid charging initiation unit, and the connection port for determining whether the connection port is coupled to the controller or the rapid charging initiation unit. When the connection port is coupled to the rapid charging initiation unit, the first and the second voltage are sent to the handheld multimedia device through the connection port for activating a rapid charging function. | 11-17-2011 |
| 20110279094 | FULL CHARGE CAPACITY CORRECTION CIRCUIT, CHARGING SYSTEM, BATTERY PACK AND FULL CHARGE CAPACITY CORRECTION METHOD - A full charge capacity correction circuit including: an integrating unit that calculates an integrated current value of a rechargeable battery; a capacity storing unit that stores a full charge capacity value of the rechargeable battery; a first estimating unit that estimates a storage ratio of the rechargeable battery, which is a ratio of a quantity of stored electricity to an actual full charge capacity, as a first storage ratio when an estimable condition which is a condition that enables to estimate the storage ratio is satisfied; a second estimating unit that estimates a storage ratio when the estimable condition is satisfied after the first storage ratio is estimated, as a second storage ratio; a full charge capacity correction unit that estimates a new full charge capacity value of the rechargeable battery based on a difference integrated value that is an integrated value integrated by the integrating unit for a period after the first storage ratio is estimated and until the second storage ratio is estimated by the second estimating unit and on a ratio of a difference between the first storage ratio and the second storage ratio to 1, and stores the estimated new full charge capacity value in the capacity storing unit; an open circuit ratio estimating unit that uses a condition in which the rechargeable battery is in an open circuit state, as the estimable condition, and estimates the storage ratio based on a terminal voltage of the rechargeable battery when the estimable condition is satisfied; and a correction control unit that uses the open circuit ratio estimating unit as the first estimating unit or the second estimating unit. | 11-17-2011 |
| 20110285359 | Charging Method And Charging Device For Charging A Rechargeable Battery - A charging method fit for use with and applicable to a rechargeable battery is provided. The charging method involves charging the rechargeable battery to a first preset voltage and then charging the rechargeable battery to a second preset voltage. The charging method includes the steps of: (a) using the first preset current as a charging current, and performing the constant current charging of the rechargeable battery by the first preset current until the rechargeable battery reaches the first preset voltage for the first instance; (b) subtracting a current difference value from the charging current used by the rechargeable battery to reach the first preset voltage in the preceding instance so as to obtain a new charging current, and performing the constant current charging of the rechargeable battery by the new charging current thus obtained until the rechargeable battery reaches the first preset voltage again; (c) repeating step (b) until the new charging current equals a second preset current; and step (d) using the second preset current of step (c) as another new charging current, and performing the constant current charging of the rechargeable battery by the second preset current until the rechargeable battery reaches a second preset voltage for the first instance. | 11-24-2011 |
| 20110285360 | Energy-Saving Charger - An energy-saving charger comprises: an AC power input terminal, a power-off switch, a power convertor, a DC output charging terminal, a detection and control device, and a charging-control switch. The detection and control device can detect the charging state, and when the electric appliance or battery is done charging, the detection and control device will cut off the power supply to stop the charging of the battery by turning off the power-off switch, thus providing an energy-saving charging mode. | 11-24-2011 |
| 20110298428 | METHOD AND APPARATUS FOR INCREASING THE NUMBER OF THE POWERED DEVICES SUPPORTED BY THE POE SYSTEM - In order to increase the number of the powered devices that can be supported by the Ethernet power supply system, the present invention proposed to equip the powered device with an electrical energy storage device, namely shift the power timely shift the power supplying capability of the power sourcing equipment. The power sourcing equipment charges the electrical energy storage device, and then the powered device is supplied by the electrical energy storage device under usual situations. Thus the number of the powered devices that can be supported by the Ethernet power supply system is increased without increasing the supplying capability of the electrical quantity of the power sourcing equipment. Using the solution in the present invention, the capacity of the powered devices in the POE system is increased without having to change the hardware of the power sourcing equipment, and without having to change the wiring. | 12-08-2011 |
| 20110298429 | POWER PATH MANAGEMENT CIRCUIT AND METHOD - Power path management method and circuit are provided. The supply current drained from a power supply is detected and controlled not to exceed a supply current limit . The charge current charging a battery is detected and controlled not to exceed a charge current limit . When the supply current is found to exceed the supply current limit, the charge current limit is decreased. | 12-08-2011 |
| 20110304304 | CHARGE CONTROLLER AND METHOD OF OPERATING THE SAME - A charge controller supplies current to a plurality of charging devices for charging a battery for a vehicle including an electric vehicle and a plug-in hybrid vehicle. The charge controller includes a rechargeable battery, a current supply unit and a current distribution controller. The rechargeable battery stores electric power supplied from a power distribution line. The current supply unit supplies current from the rechargeable battery to the charging devices. The current distribution controller determines distribution of the current supplied through the current supply unit to the charging devices based on the charging data about the vehicle received from the charging devices. | 12-15-2011 |
| 20110309801 | CHARGING CONTROL SYSTEM - In a charging control system for recording data regarding charging a secondary battery, a status recording unit refers the charging voltage value and the charging current value and records the referred charging voltage, the referred charging current and reference time when the charging current value is referred and time when the charging voltage value is referred, on the recording unit. A battery protecting unit stops the charging the secondary battery when the charging voltage exceeds the predetermined target voltage value. The status recording unit starts recording of the charging voltage value, the charging current value, and the reference time on the recording unit, when the charging voltage exceeds the target voltage value as a result of a fail in stopping the charging by the battery protecting unit because of occurrence of a trouble in the battery protecting unit. | 12-22-2011 |
| 20120007566 | CHARGING CIRCUIT - A charging circuit for charging a battery includes a processor, a switching circuit, a voltage converter, and a power voltage detecting circuit. A first terminal of the switching circuit is connected to a power source. A second terminal of the switching circuit is connected to a first output of the processor. A first terminal of the voltage converter is connected to a third terminal of the switching circuit. A second terminal of the voltage converter is connected to the battery. The power voltage detecting circuit is connected to the power source, and a first input and a second output of the processor. | 01-12-2012 |
| 20120038326 | MOTOR VEHICLE AND CONTROL METHOD THEREOF - In the case that an auxiliary such as the air conditioner is operated with electric power from the commercial power supply by controlling the charger prior to the system startup and the inter-terminal voltage of the battery is more than or equal to the threshold value Vref that is a voltage where there is a possibility of overcharging the battery when the battery is charged, the supply voltage of the electric power supplied from the charger is set to the voltage that is a little smaller than the threshold value, and the auxiliary is operated with the electric power from the battery and the electric power from the charger. This arrangement enables to prevent overcharging the battery and to operate the auxiliary in the case that an auxiliary such as the air conditioner is operated with electric power from the commercial power supply by controlling the charger prior to the system startup. | 02-16-2012 |
| 20120062183 | ELECTRONIC DEVICE AND CHARGING METHOD THEREOF - An electronic device and a charging method thereof are provided, wherein the electronic device has a battery and is connected to a power supply. In the charging method, it is determined whether a current time of the electronic device is in a specific time interval. During the specific time interval, it is determined whether a remaining power of the battery is more than a lower bound of power. If yes, the battery is stopped form being charged and the battery is solely used to keep the electronic device working; otherwise, the power supply is controlled and an intermittence charging procedure is used to charge the battery in accordance with the lower bound of power. While not in the specific time interval, a normal charging procedure is used to charge the battery. By switching between the two different charging procedures, purposes of charging effectively and lowering electricity bills are both achieved. | 03-15-2012 |
| 20120068668 | Battery Module For High-Current Rapid Charging - A high-current rapid charging battery module for an electric vehicle including a case, one or more battery cells inside the case, a ventilation system that draws air upward through holes in the bottom of the case from the exterior of the vehicle, massive copper busbars, each busbar electrically connecting a positive lead on one battery cell to a negative lead on a different battery cell, an air flow cartridge between each pair of adjacent battery cells, and one or more fans arranged on top of one or more cells that blow air drawn upward through the holes in the bottom of the case away from the top of the battery module. | 03-22-2012 |
| 20120086406 | CHARGE CONTROL CIRCUIT, BATTERY PACK, AND CHARGING SYSTEM - A charge control circuit includes: a charge controller for controlling an operation of a charger that charges a secondary battery; a voltage detector for detecting a terminal voltage of the secondary battery; and a current detector for detecting a current flowing to the secondary battery, wherein the charge controller repeats a plurality of times constant current constant voltage charge in which the charge controller supplies a charging current of a predetermined set current value from the charger to the secondary battery to cause the charger to execute constant current charge, and, when the terminal voltage detected by the voltage detector becomes equal to a predetermined threshold voltage value during the execution of the constant current charge, causes the charger to execute constant voltage charge by supplying a charging voltage of the threshold voltage value from the charger to the secondary battery until a current value detected by the current detector becomes equal to a predetermined threshold current value, and increases the threshold voltage value and reduces the set current value and the threshold current value each time the constant current constant voltage charge is repeated. | 04-12-2012 |
| 20120086407 | BATTERY CHARGING CIRCUIT AND ELECTRONIC DEVICE - A battery charging circuit comprises: a first voltage regulator, wherein the first voltage regulator has a control input designed for reception of a signal generated by a current metering circuit; the current metering circuit; and a terminal for connecting a battery. An electronic device, in particular a mobile device, comprises a battery charging circuit as defined above. | 04-12-2012 |
| 20120091971 | EXCESSIVE CURRENT DETECTION CONTROLS METHOD - A method for controlling charging and discharging of a battery pack for an electric or hybrid vehicle to prevent overheating damage. Current flowing into or out of the battery pack is monitored, and root mean square (RMS) current is integrated over a time window and compared to a threshold to determine if power needs to be regulated in order to prevent damage to the cells in the battery pack. If the time-integrated RMS current exceeds the threshold, a closed-loop proportional-integral (PI) controller is activated to regulate power input or output. The controller will continue to regulate power until the time-integrated RMS current drops below the threshold. Various thresholds can be defined for different time windows. The gains used in the PI controller can also be adjusted to scale the amount of power regulation. | 04-19-2012 |
| 20120091972 | SYSTEM, CHARGING DEVICE, AND METHOD OF CHARGING A POWER STORAGE DEVICE - A system for charging a plurality of power storage devices includes a first charging device and at least one other charging device coupled to the first charging device to form a network. The first charging device includes a processor programmed to determine whether said first charging device possesses a network token, and if so, to determine a first charging parameter and a first priority associated with said first charging device, a second charging parameter and a second priority associated with said second charging device, and to determine a second amount of current to be at least one of received from the electrical supply or supplied to the first power storage device, based on the determined first and second charging parameters and first and second priority. | 04-19-2012 |
| 20120098502 | VEHICLE POWER-GENERATION CONTROL APPARATUS - In a vehicle power-generation control apparatus provided with a normal power generation control means that performs power-generation control of an electric power generator in such a way that an estimated charging rate of an electric storage device coincides with a target charging rate, in the case where the estimated charging rate of the electric storage device is lower than the target charging rate, and a regenerative power generation control means that performs power-generation control of the electric power generator during a period in which the speed of a vehicle is being reduced and fuel supply to an internal combustion engine is stopped, there is provided a regenerative charging amount prediction means that predicts a regenerative charging rate in accordance with a vehicle speed, when the vehicle speed is being reduced; the target charging rate of the electric storage device is decreased as the regenerative predicted charging amount obtained by the regenerative charging amount prediction means increases; and the regenerative power generation control means limits a power-generation amount toward reduction in such a way that in the electric power generator, a difference between torque required for power generation at a time when the electric storage device is charged and torque required for power generation at a time when the electric storage device is not charged falls within a predetermined torque difference. | 04-26-2012 |
| 20120105013 | APPARATUS OF SOC ESTIMATION DURING PLUG-IN CHARGE MODE - A system and method for estimating parameters of a rechargeable energy storage system during a plug-in charge mode include reading a first measured voltage and a measured current from the rechargeable energy storage system while charging the rechargeable energy storage system during a plug-in charge mode, interrupting the charge to stop current flow to the rechargeable energy storage system for a predetermined period of time, reading a second measured voltage during the charge interrupt, calculating a resistance based on the first measured voltage, the second measured voltage and the measured current, calculating an open circuit voltage of the rechargeable energy storage system based on the resistance, the second measured voltage, the measured current and determining the state-of-charge for the rechargeable energy storage system using the open circuit voltage. | 05-03-2012 |
| 20120105014 | FULL CHARGE CAPACITY VALUE CORRECTION CIRCUIT, BATTERY PACK, AND CHARGING SYSTEM - A full charge capacity value correction circuit, has: a current detection portion which detects a current value of current flowing in a secondary battery; a voltage detection portion which detects a terminal voltage value of the secondary battery; a capacity storage portion which stores a full charge capacity value indicating a full charge capacity of the secondary battery; a remaining quantity calculation portion which calculates, as a accumulated remaining quantity, a remaining charging quantity in the secondary battery from a total value obtained by cumulatively adding charged electrical quantities and subtracting discharged electrical quantities in the secondary battery, based on charge/discharge currents of the secondary battery detected by the current detection portion; a remaining quantity estimation portion which estimates, as an estimated remaining quantity, a remaining quantity of the secondary battery by using a terminal voltage value detected by the voltage detection portion; and a full charge capacity value correction portion which, when an estimated remaining quantity estimated by the remaining quantity estimation portion becomes equal to a reference value set in advance, in a case where the estimated remaining quantity is greater than the accumulated remaining quantity, adds a difference electrical quantity, which is equivalent to a difference between the thus estimated remaining quantity and accumulated remaining quantity calculated by the remaining quantity calculation portion, to the full charge capacity value stored in the capacity storage portion, but in a case where the estimated remaining quantity is less than the accumulated remaining quantity, subtracts the difference electrical quantity from the full charge capacity value stored in the capacity storage portion. | 05-03-2012 |
| 20120133339 | RADIOGRAPHIC IMAGE DETECTION DEVICE AND RADIOGRAPHIC IMAGE CAPTURING SYSTEM - A radiographic image capturing system having, a low-current electric power feeding section, a high-current electric power feeding section, and a cassette-type radiographic image detection device having a battery which feeds electric power, the radiographic image detection device including: a power receiving side connection section receiving electric power from an electric power feeding section having been connected; a first charging path converting electric power fed from the power feeding section into charging electric power which is fed to the battery; a second charging path feeding the electric power to the battery without the conversion; and a charging path switching section switching when the low-current electric power feeding section has been connected to the power receiving side connection section, electric power is fed via the first charging path and when the high-current electric power feeding section has been connected, electric power is fed via the second charging path. | 05-31-2012 |
| 20120139503 | ELECTRONIC APPARATUS, METHOD FOR CONTROLLING ELECTRONIC APPARATUS, COMPUTER PROGRAM, AND RECORDING MEDIUM - The present invention provides an electronic device that can operate as long as possible even if the battery level is low and that can avoid an unexpected shutdown as much of the time as possible while data is being transmitted to, or received from, an external device. | 06-07-2012 |
| 20120161720 | STORAGE SYSTEM INCLUDING A PLURALITY OF BATTERY MODULES - In a storage system provided with a plurality of storage modules, the rated power consumption can be reduced. The storage system is provided with a charge control unit. The charge control unit Stops, when detecting that a predetermined number of a plurality of battery modules are during battery charging, the battery charging in the remaining battery modules. | 06-28-2012 |
| 20120217935 | Circuits and Methods for Automatic Power Source Detection - Embodiments of the present invention include circuits and methods for sensing resistance. In one embodiment the present invention includes a method comprising detecting a voltage at an input of a regulator received from a power adapter, determining a maximum current capability of the power adapter, and charging a battery coupled to an output of the regulator using said detected voltage and said maximum current as inputs to said regulator. In one embodiment, the detected voltage is used to configure a voltage used to determine if or when a voltage received from a power adapter drops below some threshold. | 08-30-2012 |
| 20120229099 | System for Storing Electrical Energy - The invention concerns a system for storing electric energy, which comprises a plurality of storage cells, which have each an operating voltage. An electrical load as well as a switching element in series with the device are arranged in parallel to a storage cell. The switching element is closed when reaching or exceeding a threshold voltage. The system moreover includes a control device, which is arranged in order to adjust the threshold voltage depending on a voltage value established from operating voltages of the plurality of the storage cells. A storage cell for storing electric energy as well as a method for controlling a system designed for storing electric energy with a plurality of storage cells are also provided. | 09-13-2012 |
| 20120249084 | METHOD AND APPARATUS FOR MANAGING CHARGING CURRENT - An apparatus may comprise first circuitry arranged to draw current from a charging source at multiple current levels and second circuitry arranged to determine a charging current capacity of the charging source using the first circuitry. | 10-04-2012 |
| 20120249085 | Method For Controlling Charging Current - An exemplary method for controlling a charging current is adapted to a charging device. The charging device receives an input voltage to thereby output the charging current. The method includes the following steps of: making the charging current have a first value; judging whether the input voltage is less than a preset reference voltage; and if the input voltage is judged to be less than the preset reference voltage, decreasing the charging current from the first value step by step until the input voltage retrieves back above the preset reference voltage. | 10-04-2012 |
| 20120262125 | METHOD AND CHARGE CONTROL FOR PROLONGING THE USEFUL LIFE OF BATTERIES - A method for prolonging the service life of a traction battery of an electric-powered or hybrid vehicle. The method includes recording at least one driving phase selection that encompasses a travel duration, a start of driving, or both; and recording an instantaneous state of charge of the traction battery. At least one aging parameter is minimized that encompasses the time interval between a charging process and the start of driving or the charging energy used to charge the traction battery in accordance with at least one driving phase selection; and the charging process is executed in accordance with the minimized aging parameter. Also, a charge control for implementing the method. | 10-18-2012 |
| 20120262126 | METHOD FOR INITIALIZING AND OPERATING A BATTERY MANAGEMENT SYSTEM - A method for initializing and operating a battery management system is disclosed. The method comprises the following steps. First, start the battery management system. Next, read battery variables which are stored in a nonvolatile memory of the battery and comprise the last state of charge of the battery. Then measure the open-circuit voltage of the battery. Next, determine an instantaneous state of charge value on the basis of the measured open-circuit voltage. Then determine an estimated value of the state of charge of the battery as a function of both the stored last state of charge of the battery and the instantaneous state of charge value. Then initialize the state of charge in the battery management system using the determined estimated value of the state of charge. Finally, operate the battery management system with the initialized values. | 10-18-2012 |
| 20120274287 | CHARGING SYSTEMS FOR USE WITH ELECTRIC VEHICLES AND METHODS OF MONITORING SAME - A system for monitoring operation of an electric vehicle charging station is provided. The system includes a battery charger configured to couple to a device for supplying current to the device, a current sensor coupled to the battery charger for measuring current supplied from the battery charger to the device, the current sensor configured to generate a measured current profile based on the measured current supplied to the device, and a processor coupled to the current sensor. The processor is configured to receive the measured current profile transmitted from the current sensor, and compare the measured current profile to at least one known current profile to monitor operation of the charging station. | 11-01-2012 |
| 20120293136 | DUAL-INTERFACE CARD READER MODULE - A dual-interface card reader module is disclosed including: a card accessing circuit; a power controller for providing a charging current to a USB device; an overcurrent detector coupled with the power controller for generating an overcurrent notice when the charging current is greater than a current threshold; and a control circuit coupled with the card accessing circuit and the power controller for accessing a data storage card via the card accessing circuit and instructing the power controller to reduce its electricity output to lower the charging current when receiving the overcurrent notice. | 11-22-2012 |
| 20120299555 | BATTERY CELL WITH AN INTEGRATED POUCH METAL FOIL TERMINAL - A battery includes a battery cell having a pair of cell electrodes that are encased in a laminated pouch. The laminated pouch has a conductive moisture barrier layer that is sandwiched between respective electrically insulating layers. Several terminals are integrated with the pouch, including a first terminal and a second terminal that are directly connected to the first and second cell electrodes, respectively, and a third terminal that is directly connected to the conductive moister barrier layer. Other embodiments are also described and claimed. | 11-29-2012 |
| 20120299556 | DETERIORATION DEGREE DETERMINING APPARATUS - A deterioration degree determining apparatus determines a deterioration degree of a battery of a vehicle. The device includes an electric component activating part activating a non-driving series electric component of the vehicle by using electric power of the battery to determine the deterioration degree of the battery, a charge degree obtaining part which obtains a charge degree of the battery during a time period in which a charge state of the battery is increased to a designated degree by charging the battery after the battery is discharged for a designated period of time by causing the electric component activating part to activate the non-driving series electric component, the battery being charged by electric power generated by an electric generator of the vehicle; and a deterioration degree determining part determining the deterioration degree of the battery based on the charge degree obtained by the charge degree obtaining part. | 11-29-2012 |
| 20120306455 | METHOD AND SYSTEM FOR DETERMINING WHETHER A PORTABLE DEVICE IS CHARGING - A method and system for detecting a charging current supplied to a portable device through a USB charger. The method includes the steps of connecting a charging circuit to a portable device, allowing the portable device to draw charging current from the charging circuit, measuring the current drawn from the charging circuit, comparing the measured current with a threshold value, making one or more system level decisions regarding charging of the portable device if the detected charging current is below the threshold current. | 12-06-2012 |
| 20120319660 | APPARATUS AND METHOD FOR MEASURING GROUND IMPEDANCE OF A CIRCUIT - A ground continuity circuit is described. In one embodiment, a first voltage of a signal associated with an electrical line input to a circuit is measured with respect to a first resistance value of the circuit. A ground continuity test signal is asserted into the circuit that causes the resistance value of the circuit to change to a second resistance value. A second voltage of the signal is measured with respect to the second resistance value. A ground impedance value of the circuit is determined as a function of the first and second measured voltages and the first and second resistance values. | 12-20-2012 |
| 20130002208 | ACCUMULATOR BATTERY MONITORING OVER POWER CIRCUIT - The invention is in the field of monitoring and controlling of rechargeable battery arrays as used in telecommunications power plants and vehicles equipped with all-electrical or hybrid-electrical power train. The invention presents a method of embedding a microcontroller into each individual cell in the array, which executes measurements of cell voltage, temperature and optionally instantaneous current. These measurements are aimed to reflect the cell state-of-charge and its overall maintenance state, i.e. health or life expectancy. The measured data is thence transmitted over the same wires that conduct the electrical energy to and from the battery cells using a Rogowsky type coil (a.k.a. current transformer) to superimpose a high-frequency alternating-current modulated signal over any direct current flowing through the power wires. A central digital signal processor with a similar current transformer connected to the power lines detects, demodulates and decodes the measurements data for the use of overall battery array control and maintenance. | 01-03-2013 |
| 20130009607 | DETERMINATION DEVICE, DETERMINING METHOD AND DETERMINATION PROGRAM - A determination determines permission/forbiddance to charge an accumulator that obtains electrical power from a power grid network. The determination device comprises a first acquisition unit configured to acquire first information about a requested power amount requested to charge the accumulator, a second acquisition unit configured to acquire second information about an available power amount that can be provided from the power grid network, and a determination unit configured to determine permission or forbiddance with respect to the accumulator based on the first information and the second information. | 01-10-2013 |
| 20130015823 | Charge Rate Modulation of Metal-Air Cells as a Function of Ambient Oxygen Concentration - A method for charging a metal-air battery pack at the maximum possible rate while maintaining an ambient oxygen concentration below a preset concentration is provided, thereby minimizing the risks associated with generating oxygen during the charging cycle. | 01-17-2013 |
| 20130026999 | BATTERY DEVICE - A battery device including a case, an elastic component, a metal coil, a magnetic component, at least one energy storage component and a rectifier voltage regulator circuit is provided. The case includes a first and a second electrode ends, and both the elastic component and the metal coil are disposed in the case. The magnetic component is disposed in a receiving space of the coil and connects to an end of the elastic element, and the energy storage component connects to the first and the second electrode ends in parallel. When the battery device moves back and forth along a direction, the elastic component extends or retracts to drive the magnetic component to move back and forth relative to the metal coil along this direction. Thereby, an electric energy is induced in the metal coil, and is then stored in the energy storage component after being rectified and voltage-regulated. | 01-31-2013 |
| 20130033235 | POWER SUPPLY APPARATUS, CONTROL METHOD, AND RECORDING MEDIUM - A power supply apparatus includes a power supply unit that outputs power wirelessly to an electronic device and a setting unit that sets a first time and a second time. The first time includes a period of time that the power supply unit outputs the first power. The second time includes a period of time that the power supply unit outputs the second power. | 02-07-2013 |
| 20130049703 | SYSTEMS AND METHODS FOR PROVIDING POWER TO A LOAD BASED UPON A CONTROL STRATEGY - Systems and methods are provided for an electrical system. The electrical system, for example, includes a first load, an interface configured to receive a voltage from a voltage source, and a controller configured to receive the voltage through the interface and to provide a voltage and current to the first load. The controller may be further configured to, receive information on a second load electrically connected to the voltage source, determine an amount of reactive current to return to the voltage source such that a current drawn by the electrical system and the second load from the voltage source is substantially real, and provide the determined reactive current to the voltage source. | 02-28-2013 |
| 20130049704 | CHARGING APPARATUS AND CHARGING METHOD - According to one embodiment, a charging apparatus includes a charger, a controller, and a switch. The charger is configured to charge a battery. The controller is configured to control a charge of the battery performed by the charger such that the charge is stopped when a battery capacity reaches a first capacity at a first charge mode and stopped when the battery capacity reaches a second capacity lower than the first capacity at a second charge mode. The switch is configured to execute processing which is concerned with switching between the first charge mode and the second charge mode in accordance with a record on the battery capacity. | 02-28-2013 |
| 20130069599 | CHARGE CONTROL SYSTEM - A charge control system ( | 03-21-2013 |
| 20130069600 | METHOD AND SYSTEM FOR OPTIMIZING CURRENT LIMITING BEHAVIOR OF CHARGER - A method and system for optimizing the behavior of a charger connected to a portable device when the portable device current exceeds the charger current limit. The system includes a configuration module configured to set a maximum current limit and a register-based current limit values. The system further includes a port power switch configured to limit the portable device current, in the event that the portable device current exceeds the maximum current limit value. The port power switch is configures to modify the portable device current to a predetermined constant current value or reset the current to zero based on the relation between the maximum current limit and the register-based current limit value. | 03-21-2013 |
| 20130069601 | ADDITIVE FOR LITHIUM ION RECHAGEABLE BATTERY CELLS - The present invention claims the addition of vinylene carbonate (VC) and optionally also fluoroethylene carbonate to the electrolyte of lithium ion cells having a structural silicon composite anode, i.e. an anode containing fibres or particles of silicon. The additive significantly improves the cycling performance of the cells. A VC content in the range 3.5-8 wt % based on the weight of the electrolyte has been found to be optimum. | 03-21-2013 |
| 20130076314 | CHARGING CONTROL SYSTEM - A charging control system is configured to calculate an internal resistance line indicating a relation between a value of a charging current and a value of a voltage of a battery, which voltage occurs when the charging current has flown into the battery, to obtain a maximum inputtable value point S | 03-28-2013 |
| 20130113438 | Power Tool - A power tool including: a motor configured to be rotated by a lithium-ion secondary battery; an end tool configured to be driven by the rotation of the motor; and a switch configured to cause power to be supplied from the lithium-ion secondary battery to the motor when being manipulated by an operator, wherein the lithium-ion secondary battery includes a cell having a 14500 size and is configured to rotate the motor such that an output of the motor is sufficient for driving the end tool. | 05-09-2013 |
| 20130119947 | STORAGE BATTERY CONTROL DEVICE, CHARGING STATION, AND STORAGE BATTERY CONTROL METHOD - The battery charging of electric vehicles, etc. is controlled so that the impact on the electric power system is lightened even when a lot of electric vehicles, etc. start the charging all at once. A device for controlling an electricity storage device installed in an electric vehicle or the like calculates a voltage drop by applying a load current at the time of performing the charging of the electricity storage device, and limits the charging quantity of the storage battery (installed in the electric vehicle or the like) based on the calculated voltage drop so that the voltage drop of the electric power system remains less than a prescribed level. Consequently, it becomes possible to reduce the voltage fluctuation around each of the electric vehicles, etc. that is about to execute the charging in cases where a lot of electric vehicles, etc. start the charging all at once. | 05-16-2013 |
| 20130134949 | APPARATUS AND METHOD FOR MANAGING POWER FOR MOBILE DEVICE - An apparatus and method of managing power for a mobile device is disclosed, which can prevent an inflow of overcurrent to the device when the device is charged. The apparatus includes a state judgment unit to judge whether a battery of the mobile device is being charged, a voltage level detection unit to detect a voltage level of the battery if the battery is judged as being charged, and a control unit to control a driving of the mobile device in accordance with the detected voltage level. | 05-30-2013 |
| 20130141054 | ELECTRICITY CHARGING SYSTEM - An electricity charging system includes: a charger portion that charges a storage battery; a detection portion that detects an amount of charge stored in the storage battery; and a control portion that controls electric power that is supplied to charge the storage battery by the charger portion so that the electric power changes by a predetermined rule, according to the amount of stored electricity detected by the detection portion. | 06-06-2013 |
| 20130154576 | BATTERY CHARGING METHOD FOR HYBRID ELECTRIC VEHICLES - A battery charging method for a hybrid electric vehicle, may include a step of receiving a vehicle gradient value through a transmission control unit (TCU) or an inclination sensor when the vehicle stops, a step of converting a transmission stage into an N stage and driving an engine to recharge a battery by a main motor when the received vehicle gradient value a preset gradient value or less, and a step of charging the battery by Generating the main motor_by engaging an engine clutch after the engine driven. | 06-20-2013 |
| 20130154577 | Full Charge Sensing Apparatus And Full Charge Sensing Method - A full charge sensing apparatus for sensing a fully charged state of a secondary battery based on an equivalent circuit model of the secondary battery includes a measuring unit that measures a voltage and a current during charging of the secondary battery, a learning unit that performs a learning process on a plurality of parameters in the equivalent circuit model using a result of measurement of the measuring unit, and a determining unit that determines that the secondary battery is in a fully charged state in a case where, among the parameters on which the learning process has been performed by the learning unit, a parameter corresponding to a reaction resistance of the secondary battery is greater than a predetermined threshold. | 06-20-2013 |
| 20130162222 | CHARGING CONTROL CIRCUIT - A charging control circuit includes a switch circuit, a charging circuit, a central processing unit (CPU), and an identification circuit including two monitoring points for being connected to a first or second electronic device, and a mechanical switch connected between the two monitoring points. When charging the first electronic device, the mechanical switch switches to a first state where a voltage drop is generated on the two monitoring points respectively, and the switch circuit is turned on. When charging the second electronic device, the mechanical switch switches to a second state where the connection between the two monitoring points is short circuit, and the switch circuit is turned off. The CPU enables the charging circuit when the switch circuit is turned on or off to provide power to the first or the second electronic device via the charging unit. | 06-27-2013 |
| 20130169239 | ELECTRIC POWER GENERATION CONTROL SYSTEM FOR VEHICLE - An electric power generation control system for a vehicle, which enables generation of electric power by a generator as much as possible while preventing an electrical component from being overheated by power generation by the generator. The electric power generation control system selectively switches a mode of the generator between first and second modes in which an instruction voltage is higher and not higher than an allowable voltage of a wire harness, respectively. A counter value is counted up in the first mode and down in the second mode. When the counter value has reached a higher limit value, the first mode is inhibited and the power generation mode is set to the second mode. This increase the proportion of an execution time period of the first, and accordingly, when a possibility of overheating the wire harness becomes high, the instruction voltage is lowered. | 07-04-2013 |
| 20130176001 | METHOD FOR CHARGING A BATTERY OF A MOTOR VEHICLE - In a method for charging a battery of a motor vehicle, with the battery having a plurality of electrochemical cells, all electrochemical cells are charged with a predefined charge current over a predefined charge time, when the battery is charged for the first time. After the first-time charging, a battery state of each electrochemical cell is determined, with a deviation from a target charge state being stored for each cell. Thereafter, the cells are then balanced. In subsequent charging processes, a charge current and/or charge time for future charging processes is determined for each electrochemical cell in dependence on the stored deviation from the target charge state following the first-time charging. Charge currents and charge times for individual cells are adjusted in this manner to the specific properties thereof such that an optimal charge state of the battery is ensured without the need for separate balancing in subsequent charging processes. | 07-11-2013 |
| 20130181684 | BATTERY CONTROL SYSTEM - A battery control system includes a lithium ion secondary battery and a control device and further includes a voltage storage unit, a resistance storage unit, a current storage unit, a difference obtaining unit for obtaining a difference resistance ΔR(T | 07-18-2013 |
| 20130193932 | INTERACTION OF THERMAL MANAGEMENT AND CHARGING MANAGEMENT DURING EXTERNAL CHARGING - Several types of power demands, including a cooling power demand for components, a heating power demands for components and comfort performance demand for a passenger compartment, can be transferred from a thermal management to a charging management, wherein the types of power demands are prioritized by the charging management in a different manner. | 08-01-2013 |
| 20130200857 | METHOD AND APPARATUS FOR CHARGING BATTERY - A method and apparatus for charging a battery of a mobile device are provided. In the apparatus, a processor of the device starts a charging process when a connection of a charger is detected after a booting process of the device is initiated. The processor adjusts electric power by performing at least one of reducing consuming power of the device and raising charging power of the device. When a completion condition of a power adjustment is satisfied, the processor returns the electric power by performing at least one of returning the reduced consuming power to a basic consuming value and returning the raised charging power to a basic charging value. | 08-08-2013 |
| 20130214744 | APPARATUS AND METHOD FOR DISPLAYING STRENGTH OF POWER AND EXPECTED CHARGE COMPLETION TIME DURING WIRELESS CHARGING - Provided is an apparatus and method for displaying a strength of power and an expected charge completion time during wireless charging. To this end, a first electronic device, upon receiving a power request message, converts stored or wirelessly supplied power into a wirelessly-transmittable form and transmits the converted power. A second electronic device, upon receiving a charging command, determines whether being located in a distance and a position which allow charging with the first electronic device, transmits the power request message to the first electronic device, receives the converted power from the first electronic device to measure the strength of the received power, and calculates an expected charge completion time by using the detected strength of power, if the second electronic device is located in the distance and position which allow charging. | 08-22-2013 |
| 20130221933 | APPARATUS AND METHOD FOR MANAGING POWER FOR MOBILE DEVICE - An apparatus and method of managing power for a mobile device is disclosed, which can prevent an inflow of overcurrent to the device when the device is charged. The apparatus includes a state judgment unit to judge whether a battery of the mobile device is being charged, a voltage level detection unit to detect a voltage level of the battery if the battery is judged as being charged, and a control unit to control a driving of the mobile device in accordance with the detected voltage level. | 08-29-2013 |
| 20130249500 | ELECTRONIC DEVICE AND METHOD FOR CHARGING ELECTRONIC DEVICE - In a method for charging an electronic device, the method increases a charging current value of a battery of the electronic device by a preset charging current increment, and compares a current value of the charging current with a maximum charging current value of the battery if the value of the voltage across a universal serial bus (USB) interface of the electronic device is greater than the preset voltage value. The method controls the battery of the electronic device charge from a power supply equipment by setting the maximum charging current value as the value of the charging current, if the charging current value is not less than the maximum charging current value. | 09-26-2013 |
| 20130271089 | BATTERY STATE OF HEALTH ASSESSMENT SYSTEM - Described herein are systems and methods for accurately characterizing thermodynamic and materials properties of electrodes and electrochemical energy storage and conversion systems. Enhanced sensitivity provided by the present methods and systems combined with measurement conditions that reflect thermodynamically stabilized electrode conditions allow very accurate measurement of thermodynamic parameters, including state functions such as the Gibbs free energy, enthalpy and entropy of electrode/electrochemical cell reactions, that enable prediction of important performance attributes of electrode materials and electrochemical systems, such as the energy, power density, current rate, the cycle life and the state of health of an electrochemical cell. Also provided are systems and methods for charging electrochemical cells; for example, systems and methods for charging an electrochemical according to its state of health. | 10-17-2013 |
| 20130285621 | POWER SUPPLYING APPARATUS AND POWER CHARGING APPARATUS - There are provided a power supplying apparatus controlling voltage of a power factor correcting circuit according to a power state and a power charging apparatus controlling voltage of a power factor correcting circuit according to a charging state of a battery. The power supplying apparatus includes: a power factor correcting circuit switching input power to correct a power factor thereof and adjusting a voltage level of the power of which the power factor has been corrected according to a state of power transferred to a load; and a resonant DC to DC converting circuit having a resonance frequency varied according to a voltage level of DC power from the power factor correcting circuit and converting the DC power from the power factor correcting circuit into supply power having a preset level according to the resonance frequency. | 10-31-2013 |
| 20130285622 | Current Sensing Circuit Disconnect Device and Method - A device and method are provided for saving power and electricity in a charging device such for external power supplies and battery chargers having a primary circuit and a secondary circuit where a switch is located in the primary circuit and a current sensing device in the secondary circuit to sense when there is a drop in current in the secondary circuit or no current in the secondary circuit because the load or a cell phone is charged and when this occurs the switch in the primary circuit is opened and the primary circuit no longer draws power from the source of power until the switch in the primary circuit is closed by activation of a user of the charging device. | 10-31-2013 |
| 20130300378 | EXCAVATOR - An excavator includes an electric load, an electrical energy storage unit including an electrical energy storage part ( | 11-14-2013 |
| 20130307489 | METHOD AND APPARATUS FOR CHARGING MULTIPLE ENERGY STORAGE DEVICES - An electric vehicle includes a controller configured to receive sensor feedback from a high voltage storage device and from a low voltage storage device, compare the sensor feedback to operating limits of the respective high and low voltage storage device, determine, based on the comparison a total charging current to the high voltage storage device and to the low voltage storage device and a power split factor of the total charging current to the high voltage device and to the low voltage device, and regulate the total power to the low voltage storage device and the high voltage storage device based on the determination. | 11-21-2013 |
| 20130307490 | CHARGE CONTROL CIRCUIT, CHARGE CIRCUIT, AND MOBILE DEVICE - A charge control circuit includes: a charge/discharge circuit to charge a capacitor when an input current from an input power supply is smaller than a first current, and discharge the capacitor when the input current is greater than the first current; a discharge circuit to discharge the capacitor when the input current becomes greater than a second current greater than the first current; an error amplifier circuit to amplify an error between a lower voltage between a capacitor charging voltage and a reference voltage corresponding to the maximum output voltage, and a feedback voltage corresponding to the output voltage; and a drive circuit to perform switching of a transistor of a booster circuit, including an inductor and the transistor to increase an inductor current, configured to boost the output voltage by supplying the inductor current to the terminal when the transistor is off, so that the error becomes smaller. | 11-21-2013 |
| 20130307491 | BIDIRECTIONAL POLYPHASE MULTIMODE CONVERTER INCLUDING BOOST AND BUCK-BOOST MODES - A charging method using a multiphase line voltage for charging an energy storage system (ESS) using a polyphase motor drive circuit communicated to a polyphase motor, the polyphase motor drive circuit including a plurality M of driver stages, one driver stage for each phase of the polyphase motor with each driver stage coupled across the energy storage system. | 11-21-2013 |
| 20130314053 | BATTERY MANAGEMENT UNIT - A charging system ( | 11-28-2013 |
| 20130314054 | Context Aware Battery Charging - In accordance with an example embodiment of the present invention, there is provided an apparatus including monitoring unit and a charging control unit. The monitoring unit is configured to monitor at least one data acquisition source of a device operated by a rechargeable battery and to estimate a context of the device based on data acquired from the at least one data acquisition source. The charging control unit is configured to dynamically adjust charging voltage and charging current applied to the rechargeable battery based on the estimated context of the device acquired from the monitoring unit. The battery includes at least one battery cell. | 11-28-2013 |
| 20130320933 | ELECTRONIC DEVICE - An electronic device receives a voltage from a power source. The electronic device comprises a voltage converting module, an energy storing module, a switching module, and an illuminating module. The voltage converting module converts the voltage provided by the power source into a working voltage. The energy storing module is capable of being charged by the working voltage. The switching module is connected between the voltage converting module and the illuminating module. The illuminating module is capable of emitting light for indicating the voltage of the energy storing module. When the working voltage is suddenly changed, the switching module turns off and cuts off an electrical connection between the voltage converting module and the illuminating module. The illuminating module stops emitting light. | 12-05-2013 |
| 20130320934 | CHARGING CONTROL DEVICE - In a charging control device, a determining unit individually determines whether a charging path and a vehicle are in a connected state or non-connected state based on a current value detected by a current detecting means. The state of connection with the vehicle is detected not by an exclusive sensor as it is done in the prior art but by using a current detection result by the current detecting means. Hence the cost for detecting the state of connection with the vehicle can be reduced. | 12-05-2013 |
| 20130335035 | Charger External Power Device gain Sampling - A power management unit accurately measures and controls charging current. The power management unit may be implemented more efficiently than prior designs, leading to cost savings in the implementation of the power management unit as well as in the implementation of the device that incorporates the power management unit. The power management unit incorporates a model of an external charge control device (e.g., a transistor) and uses that model in a way that allows the power management unit to eliminate external device pins and other circuitry. | 12-19-2013 |
| 20130335036 | BALANCE CHARGING DETECTOR - A balance charging detector is configured to detect a balance charging condition for a battery. The balance charging detector includes a controller and a comparing module. The controller is configured to monitor a status of the battery, access battery parameters for the battery that correspond to the status, and generate a group of balance charging parameters based on the battery parameters. The comparing module is configured to set a balance charging flag based on a comparison of the group of balance charging parameters and a set of thresholds. A balance charging signal can be generated if the balance charging flag is set to indicate presence of a condition to perform a balance charging of the battery. | 12-19-2013 |
| 20130335037 | Apparatus and Method for Displaying State of Terminal - A device and a method are provided. In a terminal capable of at least one of a wireless charging function and a near field communication (NFC) function, the device displays operation states of the functions via an e-skin unit. Wireless charging efficiency, a charging state, and a communication state may be selectively or totally displayed to a user. | 12-19-2013 |
| 20130342172 | CHARGING DEVICE WITH BATTERY MANAGEMENT SYSTEM FOR RECHARGEABLE BATTERY - A charging device with battery management system which remains a rechargeable battery in full capacity during standby after being fully charged is disclosed. The charging device includes a charging module, electrically connected to a power source, for charging the rechargeable battery; a voltage detecting module, for detecting a voltage of the rechargeable battery; and a determination module, for instructing the charging module to charge the rechargeable battery with a supplementary current when the voltage of the rechargeable battery detected by the voltage detecting module reduces to a first predetermined voltage until the voltage of the rechargeable battery reaches a second predetermined voltage. Reduce of the voltage of the rechargeable battery is due to self-discharge of the rechargeable battery during standby after being fully charged. | 12-26-2013 |
| 20130342173 | CHARGING A BATTERY - A method and system for applying a multi-rate charge to a battery are included herein. The method includes detecting a plurality of predetermined electrical measurements and a plurality of predetermined charge currents. The method also includes detecting an electrical measurement of the battery. Additionally, the method includes selecting a charge current from the plurality of predetermined charge currents to be applied to the battery based on the electrical measurement of the battery and the plurality of predetermined electrical measurements. Furthermore, the method includes applying the charge current to the battery. The method also includes detecting a plurality of subsequent electrical measurements of the battery. In addition, the method includes applying a plurality of subsequent charge currents to the battery based on the plurality of subsequent electrical measurements of the battery and the plurality of predetermined charge currents. | 12-26-2013 |
| 20140015496 | CHARGING DEVICE - A charging device has an AC power supply input part that rectifies an AC voltage, a power factor correction part that converts a rectified voltage outputted from the AC power supply input part into a DC intermediate voltage, a power conversion part that converts the intermediate voltage outputted from the power factor correction part into a charge voltage, and supplies the charge voltage to a secondary battery, an input voltage acquisition unit that acquires the rectified voltage outputted from the AC power supply input part, an output voltage acquisition unit that acquires the charge voltage outputted from the power conversion part, and a storage part in which the rectified voltage, the charge voltage, and a target intermediate voltage correlated with the rectified voltage and charge voltage are stored. | 01-16-2014 |
| 20140035537 | CONTROL METHOD FOR ELECTRIC VEHICLE - The present invention provides a control method for an electric vehicle, comprising the steps of: measuring a current voltage of a battery cell module and an external temperature immediately before or after a start of charging; determining whether or not charging has been completed by measuring a charging voltage of the battery cell module after charging during a predetermined time set according to at least one of the current voltages and the external temperature; and calculating a voltage variation on the basis of the current voltage and the charging voltage if it is determined that charging has been completed, and determining whether the battery cell module is normal or abnormal on the basis of the voltage variation and a set reference voltage variation. | 02-06-2014 |
| 20140035538 | Method for Optimally Charging an Electrochemical Battery - Method for charging an electrochemical accumulator, comprising a step (E10) of determining the initial state of the electrochemical accumulator, characterized in that it comprises a step (E11) of determining the regime of charge of the electrochemical accumulator by optimizing the product of a charging time saving and an energy saving as a function of the initial state of the electrochemical accumulator. | 02-06-2014 |
| 20140042986 | CHARGING CONTROL METHOD OF A RECHARGEABLE BATTERY - By analyzing consecutive timestamps at which the battery cell is fully charged in two or more previous time intervals, the charging control method utilizes these consecutive timestamps of a sub-section of each time interval as a charging control way to the rechargeable battery in a present time interval. The charging process of the rechargeable battery in corresponding timestamps of the present time interval is limited to a specific proportion of the fully charged capacity of the battery cells. In such way, the rechargeable battery may have fewer chances to be fully charged at some less used time, which substantially increases the life of the battery. | 02-13-2014 |
| 20140049226 | SYSTEMS AND METHODS FOR BATTERY PARAMETER ESTIMATION - The present disclosure relates to estimation of battery parameters, including SOC and SOH using a plurality of particles, each of which represents at least one parameter and at least one state of a battery system. A system model may simulate the battery system using processing logic. Each of the plurality of particles may propagate through the system model to generate a plurality of modeled particle values, each of which may be compared to a measurement of an electrical parameter of the battery system. Each particle may be weighted based upon a comparison of the modeled particle value and the measurement. A successive plurality of particles may be generated based upon the weight assigned to each of the plurality of modeled particle values. A number of iterations may be performed to generate a tuned plurality of modeled particle values, upon which an estimated parameter of the battery system may be based. | 02-20-2014 |
| 20140049227 | METHOD FOR ESTIMATING THE SELF-DISCHARGE OF A LITHIUM BATTERY - A method for determining the self-discharge current of a lithium-ion battery provided with a positive electrode, a negative electrode, and an electrolyte arranged between the positive and negative electrodes includes charging the battery until a metal lithium layer is formed between the electrolyte and the negative electrode, measuring the open-circuit voltage of the battery at two moments, and determining the self-discharge current from the variation of the voltage measured between the two moments. | 02-20-2014 |
| 20140070774 | CASCADING POWER FOR ACCESSORIES - Methods, systems, and apparatuses for charging a host device from a charging source through an accessory are described. Upon detecting an input power signal from the charging source, an accessory may send an identification request to the host device and authenticate the host device based on the identification information received from the host device. Upon authenticating the host device, the accessory may enable a power path between the charging source and the host device to supply a charging current to charge the host device. | 03-13-2014 |
| 20140103883 | POWER SUPPLY DEVICE OF VEHICLE - A vehicle includes a first battery; a converter; a second battery connected to an electric load in parallel with the converter; a charging device charging the first battery or the second battery using an external power supply of the vehicle; an electrical leakage detection device connected to the first battery and detecting electrical leakage; and a control device, when the second battery is charged using the charging device, causing one of electrodes of the first battery and one of electrodes of the second battery to be connected to each other, and determining based on a detection result by the electrical leakage detection device whether electrical leakage occurs or not. | 04-17-2014 |
| 20140111166 | CIRCUITS FOR CHARGING BATTERIES AND BOOSTING VOLTAGES OF BATTERIES, AND METHODS OF CHARGING BATTERIES - A circuit may comprise a direct current (DC)/DC boost converter connected to a battery that includes a plurality of cells; a DC link connected between the DC/DC boost converter and an inverter; and/or a charging circuit connected between the battery and the DC link. The charging circuit may be connected to the DC/DC boost converter in parallel. A method of charging a battery using a regenerative energy of a motor may include storing the regenerative energy of the motor by using a converter with a multi-winding transformer, selecting a cell to be charged from among a plurality of cells included in the battery, and transferring the stored regenerative energy to the selected cell by using the converter. | 04-24-2014 |
| 20140117945 | Battery Charge Management Using Usage Profiling - A battery management system calculates expected run time for the information handling system from either an average or instantaneous power consumption and the remaining battery capacity. When power is attached to the battery, the battery management system compares an expected run time with a current usage day profile. If the information handling system is operating in a non-active use period or if system run time can extend sufficiently into the non-use period then a slow charge rate is applied which will charge the batteries up to a substantially charged state (e.g., 80-95% of full capacity) and top off of the battery is deferred such that battery is fully charged somewhat before the average beginning of the next day (e.g., approximately one to two hours before the average beginning of the next day). | 05-01-2014 |
| 20140117946 | METHOD AND SYSTEM FOR CHARGING A PLUG-IN ELECTRIC VEHICLE - A system and method for charging a battery in a plug-in electric vehicle. In an exemplary embodiment, the method determines if a delayed battery charging feature is active and if the battery is severely depleted. If both conditions are satisfied, the method enables a priority charging feature that temporarily overrides the delayed charging feature and begins charging the battery according to a priority charging process until it reaches a level where it is no longer severely depleted. At this point, the method may terminate the priority charging process and initiate the delayed charging process, which is designed to take advantage of off-peak electricity rates, anticipated times of vehicle use, etc. | 05-01-2014 |
| 20140145685 | Battery System and Method for Determining Battery Module Voltages - A battery system comprises at least two modules which include a plurality of battery cells, with each module being associated with a cell voltage detection unit which is connected to a central controller via a common communication bus. Each module additionally includes a module voltage detection unit which is connected to the central controller and is configured to separately detect the voltage of the associated module. | 05-29-2014 |
| 20140152269 | Materials for Battery Electrolytes and Methods for Use - Described herein are materials for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high stability during battery cycling up to high temperatures high voltages, high discharge capacity, high coulombic efficiency, and excellent retention of discharge capacity and coulombic efficiency over several cycles of charging and discharging. In some embodiments, a high voltage electrolyte includes a base electrolyte and a set of additive compounds, which impart these desirable performance characteristics. | 06-05-2014 |
| 20140159676 | POWER SUPPLYING APPARATUS AND POWER CHARGING APPARATUS - There are provided a power supplying apparatus controlling voltage of a power factor correcting circuit according to a power state and a power charging apparatus controlling voltage of a power factor correcting circuit according to a charging state of a battery. The power supplying apparatus includes: a power factor correcting circuit switching input power to correct a power factor thereof and adjusting a voltage level of the power of which the power factor has been corrected according to a state of power transferred to a load; and a resonant DC to DC converting circuit having a resonance frequency varied according to a voltage level of DC power from the power factor correcting circuit and converting the DC power from the power factor correcting circuit into supply power having a preset level according to the resonance frequency. | 06-12-2014 |
| 20140167707 | ALTERNATOR CONTROL FOR BATTERY CHARGING - In accordance with an aspect of the present disclosure, an electrical system for an automotive vehicle has an electrical generating machine and a battery. A set point voltage, which sets an output voltage of the electrical generating machine, is set by an electronic control unit (ECU). The ECU selects one of a plurality of control modes for controlling the alternator based on an operating state of the vehicle as determined from vehicle operating parameters. The ECU selects a range for the set point voltage based on the selected control mode and then sets the set point voltage within the range based on feedback parameters for that control mode. In an aspect, the control modes include a trickle charge mode and battery charge current is the feedback parameter and the ECU controls the set point voltage within the range to maintain a predetermined battery charge current. | 06-19-2014 |
| 20140176085 | BATTERY CONTROLLER OF VEHICLE - This battery controller of a vehicle includes an internal combustion engine, a generator; a battery; a battery state detector that detects a battery state including the remaining capacity of the battery; a degree-of-deterioration determination unit that determines the degree of deterioration of the battery based on the battery state; a neglect state detector; a monitoring time setting unit that sets a monitoring time to monitor the remaining capacity based on the degree of deterioration and the current remaining capacity of the battery when the neglect state of the vehicle is detected by the neglect state detector; and a charging necessity determination unit that determines whether or not the battery needs to be charged after the monitoring time set by the monitoring time setting unit passes. Charging of the battery by the generator is started when the charging necessity determination unit determines that the battery needs to be charged. | 06-26-2014 |
| 20140197805 | DIFFUSION-LIMITED ADAPTIVE BATTERY CHARGING - Some embodiments of the present invention provide a system that adaptively charges a battery, wherein the battery is a lithium-ion battery which includes a transport-limiting electrode governed by diffusion, an electrolyte separator and a non-transport-limiting electrode. During operation, the system determines a lithium surface concentration at an interface between the transport-limiting electrode and the electrolyte separator based on a diffusion time for lithium in the transport-limiting electrode. Next, the system calculates a charging current or a charging voltage for the battery based on the determined lithium surface concentration. Finally, the system applies the charging current or the charging voltage to the battery. | 07-17-2014 |
| 20140232356 | ELECTRIC VEHICLE BATTERY MANAGEMENT - The disclosure is related to a battery management of an electric vehicle. Particularly, the disclosure relates to performing the battery management according to a ‘state of charge’ (SOC) management condition predetermined for an electric vehicle battery. | 08-21-2014 |
| 20140253049 | INFORMATION PROCESSING APPARATUS AND BATTERY CHARGING METHOD OF INFORMATION PROCESSING APPARATUS - In accordance with one embodiment, an information processing apparatus comprises a power supply section configured to be connectable to an AC power supply, a battery, a remaining battery level detection section configured to detect the remaining battery level, a first threshold value setting section configured to set a charge level lower than a full charge of the battery, a second threshold value setting section configured to set a charge level lower than the first threshold value, and a charging condition setting section configured to output an instruction on charging of the battery such that the remaining battery level changes back and forth between the first threshold value and the second threshold value. | 09-11-2014 |
| 20140253050 | Recreational Vehicle User Interface System and Method - A recreational vehicle user interface (RVUI) system/method that allows centralized control and monitoring of electrical/environmental subsystems within the context of a recreational vehicle is disclosed. The system/method permits monitoring of a wide variety of electrical/environmental subsystems in this context, including but not limited to battery temperatures, battery voltages, overall system voltages, battery disconnect relays, vent fans, solar panels, cabin temperatures, battery temperature alarms, power converter modules, temperature sensitive power converters, load management controllers, AC distribution controllers, transfer switches, AC/generator inputs, storage tank levels, pumps, and other electrical loads. The system/method may be optionally configured to wirelessly communicate with a mobile device using a variety of customizable mobile user interface applications, and/or be configured to support a universal control/sensor motherboard that mates to a customizable user interface daughterboard with associated custom display/control indicia bezel/panel or integrated touch screen display/control. | 09-11-2014 |
| 20140285159 | WIRELESS CHARGER AND CHARGING METHOD - A wireless charger charges an electronic device. The wireless charger receives radio frequency (RF) from a wireless power transmitter and generates alternating current (AC) electricity. The wireless charger coverts the AC electricity to direct current (DC) electricity and charges the electronic device using the DC electricity. | 09-25-2014 |
| 20140300326 | ELECTRONIC DEVICE WITH A DUTY CYCLE ESTIMATOR - A circuit in an electronic device coupled to a battery via a first pair of switches includes a logic unit and a filter. The logic unit receives a pulse width modulation (PWM) signal and a first signal, and generates a second signal according to the PWM signal and the first signal. The filter is coupled to the logic unit and converts the PWM signal into a first voltage under the control of the second signal. When the first voltage is at a voltage of the battery and a duty cycle of the PWM signal is at a specified value, the first pair of switches controls power to the battery under control of the PWM signal and the circuit is disabled by the first signal. | 10-09-2014 |
| 20140320090 | INDUCTION POWER TRANSFER SYSTEM WITH COUPLING AND REACTANCE SELECTION - A power receiver is configured to supply current to a load and to be wirelessly operatively coupled to a power transmitter and includes a plurality of inductive elements. The power receiver further includes a circuit operatively coupled to the plurality of inductive elements and is configured to be selectively switched among a plurality of coupling states. The circuit is further configured to be selectively switched such that each inductive element has a reactance state of a plurality of reactance states. The power receiver further includes a controller configured to select the coupling state and to select the reactance state of each inductive element based on one or more signals indicative of one or more operating parameters of at least one of the power receiver and the power transmitter. | 10-30-2014 |
| 20140320091 | CONTROL METHOD FOR SUPPLYING POWER - In a control method for supplying power, a first power regulator supplies a first current and an output voltage to a second power regulator and the second power regulator supplies a second current to a load. The method includes: increasing the output voltage and detecting the second current; determining whether the second current suddenly drops as the output voltage increases; when the second current drops, defining a level of the output voltage which corresponds to a starting point of the sudden drop as an upper limit; when the output voltage increases but the second current neither increases nor suddenly drops, defining a level of the output voltage corresponding to a point where the second current stops increasing as a lower limit; and setting the output voltage to be lower than or equal to the upper limit, and higher than or equal to the lower limit. | 10-30-2014 |
| 20140340051 | BATTERY CHARGE MANAGEMENT AND CONTROL - Disclosed are an apparatus and method of monitoring and charging a battery based on predefined criteria. One example method may include identifying an event entry stored in an event application, estimating a time duration associated with the event, calculating an amount of battery charge required to satisfy the event being conducted on an electronic device, and charging a battery of the electronic device to a charge level corresponding to the calculated amount of battery charge. | 11-20-2014 |
| 20140340052 | SYSTEM AND METHOD FOR CHARGING THE ENERGY STORAGE CELLS OF AN ENERGY STORAGE DEVICE - The invention relates to a method for charging the energy storage cells of an energy storage device, which comprises: n first output connections, wherein n>1, for issuing a supply voltage at each of the output connections, a second output connection, wherein a charging device can be connected between the first output connections and the second output connection, and n parallel-connected energy supply branches, which are each coupled between a first output connection and the second output connection, wherein each of the energy supply branches comprises a plurality of series-connected energy storage modules, which each comprise an energy storage cell module comprising at least one energy storage cell, and a coupling device having coupling elements that are designed to selectively connect or bridge the energy storage cell module in the respective energy supply branch. The method according to the invention comprises the following steps: determining a maximum possible charging voltage of a charging apparatus, which provides a charging voltage for the energy storage device; determining the maximum number of the energy storage cell modules of an energy supply branch at which the sum of the output voltages of the energy storage cell modules, which is dependent on the instantaneous charge states of the energy storage cells of all the energy storage cell modules of an energy supply branch, is still lower than the maximum possible charging voltage; and selecting and controlling the coupling elements of energy storage modules of the energy supply branch, such that in each case only the maximum number of energy storage cell modules is coupled into the energy supply branch. | 11-20-2014 |
| 20140340053 | STATE OF CHARGE INDICATOR FOR A BATTERY CHARGER - A method is provided for indicating state of charge of a battery being charged by a charger. The method includes: supplying a charging current from a battery charger to a battery pack; determining voltage of battery cells residing in the battery pack; and illuminating a visual indicator on the battery charger to indicate state of charge of the battery pack, where brightness of the visual indicator correlates to the voltage of the battery cells in the battery pack. | 11-20-2014 |
| 20140347018 | Location Based Charging Control System - A method for automatically charging the battery pack of an electric vehicle in accordance with a set of location sensitive charging instructions is provided. Exemplary location sensitive charging instructions include preset charging schedules and preset charge level limits. Different charging schedules and different charge level limits may be preset for different charging stations and locations, thus allowing the user to preset the charging instructions for each of multiple locations where the user routinely charges their car. Default charging instructions are used at those charging stations and locations where a set of location sensitive charging instructions has not been preset. | 11-27-2014 |
| 20140354242 | DEVICE AND CHARGE CONTROL METHOD - According to one embodiment, an electronic device includes a controller and a charging circuit. The controller is configured to perform power management of the electronic device. The controller is configured to detect that a battery is in an overvoltage state if conditions that the battery is being charged, a charging current value of the battery acquired from a first IC is not greater than a first threshold, and power usable by the charging circuit to charge the battery is unrestricted are satisfied, and to stop charging of the battery by a charging circuit in response to detection of the overvoltage state of the battery. | 12-04-2014 |
| 20150022160 | ADAPTIVE EFFECTIVE C-RATE CHARGING OF BATTERIES - The disclosed embodiments provide a system that manages use of a battery in a portable electronic device. During operation, the system obtains a voltage of the battery and a state-of-charge of the battery. Next, the system calculates an effective C-rate of the battery using the voltage and the state-of-charge. Finally, the system uses the effective C-rate to manage a charging process for the battery. | 01-22-2015 |
| 20150022161 | ELECTRIC VEHICLE AND METHOD OF OPERATING SAME - An electric vehicle charges a battery through an electric vehicle power supply apparatus, and periodically checks a current charged state of the battery during a charging operation. During the charging operation, the electric vehicle transmits to a user terminal a first charging information notifying message including information on a current charged state of the battery. When the completion of charging of the battery is detected, the electric vehicle transmits to the user terminal a second charging information notifying message providing notification of the completion of charging of the battery. | 01-22-2015 |
| 20150042292 | Reversible Buck Or Boost Converter That Determines Boost Output Current From Sensed Boost Input Current - A reversible buck or boost converter is operable in a buck mode and in a boost mode. In the buck mode, the converter receives a supply voltage via an input terminal and generates a charging current that is supplied to a battery, thereby charging the battery. The supply voltage is also supplied through the converter to an output terminal. In a boost mode, the converter receives power from the battery and generates a supply current and voltage that is output onto the output terminal. The same single current sense resistor is used both to control the charging current in the buck mode and to control a constant current supplied to the output terminal in the boost mode. The output current is controlled to be constant, regardless of changes in the in the battery voltage and changes in the output voltage. | 02-12-2015 |
| 20150048804 | CHARGING CONNECTOR OVERHEAT DETECTION AND PROTECTION APPARATUS - The present invention provides an apparatus that includes a resistive control block (RCB) coupled to data lines of a universal serial bus (USB) connector charging port and is configured to change a level of resistance between the data lines. The apparatus further includes a sensing and adjustment block (SAB) that is configured to sense a predetermined level of overheating of the USB connector charging port and cause the RCB to increase the level of resistance resulting in the USB connector charging port to appear as a different type of port. In another embodiment, an apparatus includes a RCB and SAB. The RCB is coupled to an identification and ground lines of a USB connector and configured to change a level of resistance between them. The SAB is configured to sense a predetermine level of overheating of a USB connector and cause the RCB to decrease the level of resistance. | 02-19-2015 |
| 20150054469 | CHARGING CONTROL METHOD AND SYSTEM FOR ENVIRONMENTALLY FRIENDLY VEHICLE - A charging control method and system for an environmentally friendly vehicle are provided and promote the enhancement of charging efficiency by improving a power control method of a power factor correction (PFC) converter while a battery is being charged through an on board charger (OBC) in vehicle. The method sensing, by a voltage detector, a battery voltage during charging and calculating, by a controller, a target value to maintain an output voltage of the PFC converter. The target value is calculated from the sensed battery voltage and the maximum available duty value of the DC-DC converter. The output voltage of the PFC converter is maintained, based on the calculated target value. | 02-26-2015 |
| 20150054470 | SYSTEM FOR MANAGING THE CHARGING OF A STORAGE BATTERY - The invention relates to a system for managing the charging of at least one cell of a storage battery, comprising: two separate means for comparing the voltage across the terminals of said cell with a threshold voltage; and two separate controlling means adapted to control two actuators, respectively, in order to interrupt the charging of the storage battery when said first or second comparing means detects that the voltage across the terminals of said cell exceeds the threshold voltage. One of the actuators is formed by a charger that is connected to said storage battery in order to recharge said cells. | 02-26-2015 |
| 20150077065 | CHARGING AND COMMUNICATING WITH BATTERY OPERATED TOYS - Methods and a system for the recharging of battery-operated devices, whereby the recharging process is made less burdensome and inconvenient to the users of the devices. Embodiments provide for incorporating recharging into the normal usage patterns for the devices using activities consistent with predetermined intended usage of the devices, thereby causing the user to perceive less inconvenience. Other embodiments provide for systematically detecting and wirelessly recharging devices, whereby the burden to the users may be reduced or entirely eliminated. | 03-19-2015 |
| 20150084603 | LITHIUM-SULFUR BATTERY AND METHODS OF REDUCING INSOLUBLE SOLID LITHIUM-POLYSULFIDE DEPOSITIONS - An improved electrolyte including a strontium additive suitable for lithium-sulfur batteries, a battery including the electrolyte, and a battery including a separator containing a strontium additive are disclosed. The presence of the strontium additive reduces sulfur-containing deposits on the battery anode, thereby providing a battery with relatively high energy density and good partial discharge performance. | 03-26-2015 |
| 20150084604 | LITHIUM-SULFUR BATTERY AND METHODS OF PREVENTING INSOLUBLE SOLID LITHIUM-POLYSULFIDE DEPOSITION - An improved lithium-sulfur battery containing a surface-functionalized carbonaceous material. The presence of the surface-functionalized carbonaceous material generates weak chemical bonds between the functional groups of the surface-functionalized carbonaceous material and the functional groups of the polysulfides, which prevents the polysulfide migration to the battery anode, thereby providing a battery with relatively high energy density and good partial discharge efficiency. | 03-26-2015 |
| 20150123622 | DISTRIBUTION APPARATUS - Provided is a power system | 05-07-2015 |
| 20150130424 | BATTERY PACK AND PROTECTION METHOD USING THE SAME - A method for protecting batteries with consideration for the influence of a load coupled to a battery pack is provided. The battery pack includes a terminal to be coupled to a capacitor of the load, and a battery management system for controlling a protection operation according to a voltage of the terminal, counting a number of protection operation executions after the load is coupled to the battery pack, and differently controlling a deactivation time of the protection operations depending on whether or not the number of executions is greater than or equal to a reference count. | 05-14-2015 |
| 20150137770 | POWER CONNECTOR WITH LOAD CURRENT SENSING - A power connector for use in charging a battery of a device is provided. The power connector has an electromagnetic switch having terminals used to supply power from an external power source to a power adapter which is connected to the battery of the device. A power sensing circuit is coupled between the terminals of the electromagnetic switch and the power adapter, wherein the electromagnetic switch is configured to shut off power supplied to the power adapter when the power sensing circuit detects that the battery is fully charged. A reset mechanism is configured to mechanically activate the electromagnetic switch to start supplying power to the power adapter. | 05-21-2015 |
| 20150291050 | BATTERY CONTROL DEVICE, POWER STORAGE DEVICE, POWER STORAGE METHOD, AND PROGRAM - A battery control device ( | 10-15-2015 |
| 20150295430 | SMART DISTRIBUTED BATTERY SYSTEM AND METHOD - A system of replaceable and configurable battery power modules (BPMs) operatively connected to a smart management module (SMM) is provided. Each BPM can include a plurality of battery cells (e.g., Lithium) wired together in series and/or parallel. The BPMS are independently capable of cell balancing, monitoring and recording critical information about cell performance. The BPMs, wired together in series and/or parallel are connected to the SMM to form a cumulative battery pack. The performance and control limit information from each BPM can be used by the SMM to properly control the charging and discharging of the complete battery pack. | 10-15-2015 |
| 20150303713 | APPARATUS, METHOD, AND COMPUTER PROGRAM FOR CHARGING CABLE LOSS COMPENSATION - It is inter alia disclosed to an apparatus ( | 10-22-2015 |
| 20150303724 | UNIVERSAL SERIAL BUS ADAPTOR AND UNIVERSAL SERIAL BUS CABLE - A universal serial bus (USB) adaptor supplies a large charging current to charge a device. The USB adaptor includes a voltage conversion circuit, a USB interface, a current detection circuit, a first switch, a second switch, and a third switch. The USB interface includes a power pin, a first data pin, a second data pin, and a ground pin. The current detection circuit detects a charging current of the device, and converts the charging current into a voltage to compare the charging current with a reference voltage to output a comparison signal. The first switch, the second switch, and the third switch control connection relationships between the power pin and the first data pin, the first data pin and the second data pin, and the second data pin and the ground pin according to the comparison signal, respectively. A USB cable is also provided. | 10-22-2015 |
| 20150306964 | Automobile Charger - A novel automobile charger which comprise a direct current voltage, wherein a positive pole of the direct current voltage is connected with one end or lead of a DC to DC module, one end of a battery voltage detection module and one end of a load module simultaneously, while a negative pole of the battery is connected with the other end of the DC to DC module, one end of a microcontroller, one end of the automobile start control module and the other end of the battery voltage detection module simultaneously. A third end of the DC to DC module is connected with the other end of the microcontroller, the other three ends of which are connected with the third end of the battery voltage detection module, the other end of the automobile start control module and one end of the load detection module respectively. The other end of the load detection module is connected with the third end of the automobile start control module and the other end of the load module simultaneously. | 10-29-2015 |
| 20150306973 | BATTERY CHARGING SYSTEM FOR ELECTRIC VEHICLE - A battery charging system of a vehicle and method for charging a low-voltage battery from a high-voltage battery or an external power supply are provided, where the battery charging system includes an on-board charger (OBC) to charge the low voltage battery either from the high-voltage battery or from the external power supply, and the OBC is powered either by the low-voltage battery or the external power supply. | 10-29-2015 |
| 20150318717 | Electric Storage Device and Method for Charging Same - Provided are: an electric storage device having improved reliability in charging a storage battery; and a charging method. This electric storage device is provided with: an SOC calculation section which calculates a charge rate when a battery voltage reached a predetermined value, in the cases where the battery voltage reached the predetermined value when a lithium ion storage battery is being charged; a voltage difference calculation section, which calculates a battery voltage difference corresponding to a difference between the charge rate and a charge rate at which lithium is deposited; a charge complete voltage calculation means, which calculates a charge complete voltage by adding the voltage difference to the battery voltage obtained when the battery voltage reached the predetermined value; and a charge control means, which completes the charging of the lithium ion storage battery in the cases where the battery voltage reached the charge complete voltage. | 11-05-2015 |
| 20150318719 | CHARGING METHOD AND ELECTRONIC DEVICE - A charging method for an electronic device having a charging unit and a connection interface unit and the electronic device are provided. The connection interface unit is externally connected to a peripheral device. The charging method includes: detecting a signal level between the charging unit and the connection interface unit; and when a time period that the detected signal level keeps on a particular level is over a threshold, resetting the connection interface unit, so as to restart a charging function of the electronic device for the peripheral device. | 11-05-2015 |
| 20150326036 | Charging circuit and control method therefor - A charging circuit and a control method thereof are disclosed, which are used for charging different brands of mobile devices. The charging circuit comprises: a universal interface ( | 11-12-2015 |
| 20150326037 | OPTIMIZATION-BASED PREDICTIVE METHOD FOR BATTERY CHARGING - A battery management system for a rechargeable battery includes a battery monitor configured to acquire data regarding the rechargeable battery and a processor. The processor is configured to determine an initial state of charge of the battery based on the acquired data; determine a target state of charge for the battery; determine a plurality of charging solutions to achieve the target state of charge based on an optimization of one variable of the battery of a plurality of variables of the battery; narrow the plurality of charging solutions to charging solutions that meet an objective of each of the remaining plurality of variables of the battery; select the charging solution that corresponds with the fastest charge time for the battery from the charging solutions that meet the objective of each of the plurality of battery variables; and command a controller to regulate an amount of charge to the battery in accord with the selected charging solution. | 11-12-2015 |
| 20150326039 | POWER DELIVERY CONTROLLER - A power delivery controller includes a detection unit, a regulation unit, and a control unit. The detection unit has a detection pin and an enable pin, wherein the detection pin is used for detecting a power delivery consumer device. The regulation unit is coupled to the detection unit, wherein when the detection pin detects the power delivery consumer device, the detection unit is used for turning on the regulation unit through the enable pin, and after the regulation unit is turned on, the regulation unit generates an internal voltage. The control unit is coupled to the regulation unit for providing power to the power delivery consumer device according to the internal voltage. When the detection pin fails to detect the power delivery consumer device, the regulation unit is turned off. | 11-12-2015 |
| 20150326040 | METHOD OF RECEIVING CHARGE, METHOD OF CONTROLLING CHARGE, CHARGE CONTROL UNIT AND CHARGING EQUIPMENT - Charging equipment and a charge control unit are provided, in which a plurality of devices mounted with battery can be simultaneously charged by the single charging equipment. Further, a method of controlling charge and a method of receiving charge are also provided. The charging equipment supplies electric power to the battery for charging, comprising a power output part which outputs DC power used for charging, a plurality of user operation units which can be connected with a vehicle equipped with a battery as a device mounted with battery, and the charge control unit which controls a power supply from the power output part to the user operation unit. Herein, the charge control unit distributes the electric power outputted from the power output part to supply the distributed power to the user operation unit connected with the vehicle. | 11-12-2015 |
| 20150326047 | VEHICLE CHARGER - A vehicle charger includes a power supply device, a communication module, a reference changing unit, a compensator, a controller, and a gate driver. The power supply device changes an input voltage into a voltage required to charge a portable device and outputs the changed voltage. The communication module receives information on at least one of a voltage and a current, which are required to charge the portable device. The reference changing unit generates at least one of a reference voltage and a reference current based on the information on the at least one of the voltage and the current. The compensator generates a compensation signal based on a result obtained by comparing the at least one of the reference voltage and the reference current with at least one of a sensed voltage and a sensed current, which are obtained by sensing at least one of an output voltage of the power supply device and a current supplied from the power supply device to the portable device. The controller generates a gate driving signal according to the compensation signal. The gate driver generates a gate voltage for controlling switching operation of the power supply device according to the gate driving signal. | 11-12-2015 |
| 20150349548 | OFFSET CURRENT IMPLEMENTATION FOR BATTERY CHARGER - A transport refrigeration unit (TRU) battery charging system includes a programmable transport refrigeration system (TRS) Controller, a TRU battery and a programmable battery charger (BC) programmed to transfer electrical current to the TRU battery via a predetermined current path through the programmable TRS Controller in response to a value of offset current drawn from the TRU battery by the programmable TRS Controller and subsequently communicated to the programmable BC by the programmable TRS Controller. The programmable TRU battery charger allows for a dynamic load characterization of the programmable TRS Controller and accessory loads based on programmable TRU battery charger internal shunt current measurements and programmable TRS Controller internal shunt current measurements to allow the programmable TRU battery charger to function properly with all intended modes of operation. | 12-03-2015 |
| 20150349552 | METHOD AND APPARATUS FOR PERFORMING CHARGING PORT DETECTION CONTROL - A method and an apparatus for performing charging port detection control are provided, where the method is applied to an electronic device, and a communication port of the electronic device has a functionality of obtaining power from an external power source for the electronic device. The method may include the steps of: detecting whether an output voltage level of a battery of the electronic device reaches a predetermined threshold value; and control operation(s) according to whether the output voltage level reaches the predetermined threshold value. For example, the method may include: when it is detected that the output voltage level is less than the predetermined threshold value, pre-charging the battery with a predetermined pre-charging current level to make the output voltage level reach the predetermined threshold value, and then controlling a detection path switching unit to electrically connect data terminal(s) of the communication port to a charging port detection circuit. | 12-03-2015 |
| 20150349561 | CHARGING AN ELECTRICAL DEVICE VIA A DATA INTERFACE - The present invention relates to a method for charging an electrical device ( | 12-03-2015 |
| 20150349566 | BATTERY CONNECTION METHOD AND APPARATUS - An improved electrical connector for electrically connecting a rechargeable battery with an electrically powered device as well as methods of operation for use of an electrically powered device comprising the improved connector are provided. The connector may comprise one or more features including: integration of both first terminals for transmitting charging or discharging signals to and from the battery as well as one or more signal terminals for transmitting one or more balancing signals to and from the battery; implementation of communication means allowing for one or more signals comprising battery specific information to be received by the electrically powered device upon making an electrical connection with the battery; and, one or more safety features for preventing unsupported electrical connections between incompatible connector configurations. An electrically powered implemented with the improved electrical connector may detect one or more characteristics of a battery upon electrically connecting with the battery and may reconfigure one or more operational settings of the electrically powered device in response to the detected characteristics to safely charge or discharge the battery. | 12-03-2015 |
| 20150352966 | MANAGEMENT OF THE CHARGE OF A BATTERY - A method for managing the charge of a battery comprising: control of a rapid charging phase at increasing voltage, followed by control of an absorption phase at decreasing current regulated to a first voltage value, and in which the rapid charging phase is controlled until the voltage at the terminals of the battery reaches a second voltage value that is strictly higher than the first voltage value. | 12-10-2015 |
| 20150357836 | FAST CHARGING TERMINAL - A fast charging terminal is provided, which includes a battery, a USB interface, a switch module, a supply voltage detecting unit, a central processor, and a charging management unit. After the USB interface is connected to an intelligent charger, the switch module is switched on when the supply voltage outputted by the USB interface is within a safe supply voltage range such that the charging management unit converts the supply voltage and the supply current. The charging management unit decreases the supply voltage and increases the supply current to charge the battery. | 12-10-2015 |
| 20150357852 | BATTERY CONTROL DEVICE - Provided is a battery control device that can accurately detect a state of charge even if characteristics relating to the state of charge change as a result of battery degradation. This battery control device is provided with map data describing the correspondence relationship between an open-circuit voltage and a state of charge of the battery and outputs different state-of-charge values for the same open-circuit voltage according to the amount of elapsed time. | 12-10-2015 |
| 20150364933 | EMERGENCY BATTERY ACTIVATING ASSEMBLY AND EMERGENCY BATTERY ACTIVATING METHOD - The present invention relates to an emergency battery activating assembly applied to car or motorcycle batteries, including at least a preset power supply device, a preset battery, and an activating device. The battery includes at least a conductive portion with a detect voltage value. The activating device is electrically connected to the power supply device and includes an input end, a reference voltage value, and a comparison unit. The input end is electrically connected to the conductive portion. The reference voltage value is set at below 0.5V. The comparison unit is electrically connected to the input end and is used to compare the detect voltage value and the reference voltage value. When the input end is electrically connected to the conductive portion, if the detect voltage value is larger than the reference voltage value, the activating device would activate the power supply device and provide power to the battery. Further, the present invention also relates to an emergence battery activating method. | 12-17-2015 |
| 20150364934 | METHOD OF OPERATING A BATTERY-CHARGER DEVICE, AND CORRESPONDING DEVICE - A battery charger operates in a current regulation mode and a voltage regulation mode. A value of the voltage on the battery being charged is sensed and compared against a target voltage value. The current regulation mode is active during charging while the sensed voltage is less than the target voltage value. When the sensed voltage reaches the target voltage value, the voltage regulation mode is enabled and the current regulation mode is inhibited. | 12-17-2015 |
| 20150367744 | MANAGING THE CHARGING OF A BATTERY - The invention concerns a method for managing the charging of an Li-ion battery on the basis of at least one parameter chosen from the group consisting of the deterioration of the battery and cell imbalance, comprising the following steps of receiving a signal determining the end-of-charge voltage value of said battery, of generating a control signal controlling the charging of said battery, and of transmitting the control signal to a charger, the control signal being generated such that the battery is charged on the basis of the end-of-charge voltage value determined in step a), said end-of-charge voltage value being increased on the basis of the state of deterioration of said Li-ion battery until a limit value is reached, in order to ensure a constant minimal level of required energy in said Li-ion battery, for a predetermined reference temperature. | 12-24-2015 |
| 20150367745 | CHARGING AND DISCHARGING SYSTEM OF A VEHICLE POWER STORAGE DEVICE - A charging and discharging system of a vehicle storage device utilizes a buffer device adapted for voltage adjustment toward a charging voltage of a charging device on the vehicle, and also for adjusting the charging current, in such a way that the charging voltage and current from the charging device may be reduced in advance for charging the storage device. With the charging and discharging system, storage device using lithium ion battery cell may be adapted to various vehicle system. | 12-24-2015 |
| 20150380777 | LITHIUM ION SECONDARY BATTERY AND CHARGING METHOD THEREFOR - A method for charging a lithium ion secondary battery including at least a positive electrode, a negative electrode provided with a negative electrode active material layer that includes carbon as a negative electrode active material, an electrolytic solution, and a sheathing material that encloses the positive electrode, the negative electrode and the electrolytic solution; the negative electrode active material layer including carboxymethyl cellulose and the electrolytic solution including an additive that can be decomposed at a predetermined voltage includes: preliminary charging including constant-current charging in which charging is performed at a fixed current value and, following the constant-current charging, constant-voltage charging in which charging is performed at a fixed voltage; degassing in which gas is removed from within the sheathing material after the preliminary charging; and main charging that follows the degassing in which the lithium ion secondary battery is charged. The fixed voltage during the constant-voltage charging is at least 3.3 V per cell. | 12-31-2015 |
| 20150380953 | ADAPTIVE STEP AND CHARGE CURRENT BATTERY CHARGING - Systems and methods may place a battery in a first constant voltage charging mode and monitoring a diminishing current of the battery while the battery is in the first constant voltage charging mode. Additionally, the battery may be placed in a constant current charging mode when the diminishing current falls to a first predetermined threshold. In one example, a rising voltage of the battery is monitored while the battery is in the constant current charging mode and the battery is placed in a second constant voltage charging mode at an end of the charge cycle in response to the rising voltage reaching a second predetermined threshold. Moreover, a charge current corresponding to the constant current charging mode may be adjusted based on a charge capacity of the battery. | 12-31-2015 |
| 20160006082 | METHOD OF CHARGING A LITHIUM-SULPHUR CELL - A method for charging a lithium-sulphur cell, said method comprising: monitoring the voltage, V, of a cell during charge as a function of time, t, or capacity, Q, determining, in a voltage region in which the cell transitions between the first stage and second stage of charge, the reference capacity, Q | 01-07-2016 |
| 20160006083 | METHOD OF CHARGING A LITHIUM-SULPHUR CELL - A method for charging a lithium-sulphur cell, said method comprising:•determining the discharge capacity, Q | 01-07-2016 |
| 20160006272 | BATTERY CHARGER WITH GAUGE-BASED CLOSED-LOOP CONTROL - Systems and methods for power management are disclosed. In an embodiment, a battery charging system includes closed-loop control of a battery charger using a servo target based on measurements taken by a battery gauge. | 01-07-2016 |
| 20160006273 | METHOD AND APPARATUS FOR REDUCING CHARGE TIME - A method, an apparatus and a system for reducing charge time. The method includes determining a current is below a current threshold and a voltage is below a voltage threshold, and based on the determination, terminating an adapter from charging a charge cell. | 01-07-2016 |
| 20160006274 | Managing Battery Charge to Prolong Battery Life - Disclosed are exemplary embodiments of controllers and methods for use in climate control systems. In an exemplary embodiment, a controller for use in a climate control system includes a charger for providing a charge current to a battery of the controller. The controller also includes a variable resistance for selectively limiting the charge current. A control is configured to monitor the charge current and a voltage of the battery. Based on the monitoring, the control varies the resistance to keep the monitored voltage in a range defined by (a) a top charge voltage less than full capacity of the battery and (b) a discharge end voltage greater than a cut-off voltage of the battery. The monitored voltage has a substantially minimized rate of change within the range. | 01-07-2016 |
| 20160006286 | METHOD AND SYSTEM OF CHARGING A BATTERY - Embodiments herein disclose a method and system of charging a battery. The method includes identifying a state of the battery and a plurality of current levels corresponding to the state of the battery. Furthermore, the method includes charging the battery by applying the plurality of current levels corresponding to a pre-defined sequence to attain a cut-off voltage of the battery. | 01-07-2016 |
| 20160009190 | Device for Transmitting Data Between a Data Transmission Device of a Vehicle and a Data Transmission Device of a Communications Network as Part of a Charging Process of an Electrical Energy Store of the Vehicle | 01-14-2016 |
| 20160012954 | ELECTRIC CIRCUIT-USE CORE AND DEVICE USING THE SAME | 01-14-2016 |
| 20160016483 | CONTROL APPARATUS, POWER SUPPLY CONTROL APPARATUS, CHARGE CONTROL METHOD, CHARGE CONTROL APPARATUS, AND POWER SUPPLY APPARATUS FOR VEHICLES - A control apparatus charging a storage battery is provided. A control apparatus controls charging from a power generator to a storage battery. A switch is provided on a first charge channel via which the power generator charges the storage battery, and a DCDC converter is provided on a second charge channel via which the power generator charges the storage battery. The DCDC converter steps up a voltage generated by the power generator, and applies the stepped-up voltage to the storage battery via an electric wire. A controller controls the switch and the DCDC converter such that, when a charge current value detected by an electric current detector becomes smaller than a predetermined value under a condition where the storage battery is being charged via the first charge channel, charging to the storage battery is switched to charging via the second charge channel. | 01-21-2016 |
| 20160020618 | Fast Charge Algorithms for Lithium-Ion Batteries - Electric and plug-in hybrid vehicles include a traction battery to provide vehicle power. The battery may be operated in a charge-depleting mode and require recharging from an external power source. Fast charging of the traction battery is achieved by allowing a charging voltage greater than a recommended charging voltage. The charging voltage is based on the charging current and an internal resistance of the traction battery. The resistance value may be estimated during charging to allow a dynamic maximum charging voltage. Charging may be terminated based on voltage, temperature, state of charge or time criteria. The fast charging allows the traction battery to be charged in a relatively fast period of time. | 01-21-2016 |
| 20160020620 | ELECTRONIC DEVICE AND METHOD FOR CONTROLLING CHARGING OPERATION OF BATTERY - The present invention relates to an electronic device and a method for controlling a charging operation of a battery. The charging control method includes charging a battery using a first charging mode, if a current voltage of the charged battery coincides with a predetermined voltage, decreasing an intensity level of a charging current and charging the battery using the decreased charging current intensity, and if the decreased charging current intensity coincides with a predetermined current intensity, converting from the first charging mode to a second charging mode and charging the battery using the second charging mode. | 01-21-2016 |
| 20160025779 | METHOD AND CIRCUIT FOR CONFIRMING CORRECTNESS OF SIGNAL AND CHARGING SYSTEM USING SAME - A method for confirming correctness of a signal includes: providing a current to flow through a time-dependent impedance circuit, wherein the time-dependent impedance circuit provides at least two resistances at two different time points, the current flowing through the time-dependent impedance circuit to generate a first voltage at a first time point, and the current flowing through the time-dependent impedance circuit to generate a second voltage at a second time point, the first voltage and the second voltage being different from each other. When a predetermined relationship exists between the first voltage and the second voltage, it is confirmed that a signal provided from a node coupled to the time-dependent impedance circuit is correct. | 01-28-2016 |
| 20160028251 | WIRELESS CHARGING METHOD AND APPARATUS - A wireless charging method includes determining whether at least one wireless charging device is in a wireless charging area. When it is determined that there is one wireless charging device in the wireless charging area, the wireless charging device is charged. When it is determined that at least two wireless charging devices are in the wireless charging area, the priority of wireless charging among the at least two wireless charging devices is determined, and the wireless charging device having higher priority is wirelessly charged. | 01-28-2016 |
| 20160028254 | SECONDARY BATTERY CHARGING SYSTEM AND METHOD, AND BATTERY PACK - Even after the battery reaches the last stage of the end of life, the use can be continued. A charging system includes battery pack and charger. During the charge of lithium-ion secondary battery, charge control unit calculates the full charge capacity maintaining rate, sets a first charge current value on the basis of the full charge capacity maintaining rate, and charges the battery. When lithium-ion secondary battery reaches the last stage of the end of life, charge control unit sets a second charge current value lower than the first charge current value set based on the full charge capacity maintaining rate, and charges the battery. | 01-28-2016 |
| 20160028255 | SECONDARY-BATTERY CHARGING SYSTEM AND METHOD AND BATTERY PACK - A charging system includes battery pack and charger. During the charge of secondary battery, charge control unit controls charger so that the charger performs constant-current charge at a first charge current, and, when at least one of the following conditions is satisfied, switches the first charge current to a second charge current lower than the first charge current and continues the constant-current charge. The conditions include the condition that the SOC of secondary battery arrives at a threshold SOC value and the condition that the inter-terminal voltage of secondary battery arrives at a threshold inter-terminal voltage. In response to the degree of degradation of secondary battery, the charge control unit drops at least one of the threshold SOC value and the threshold inter-terminal voltage. | 01-28-2016 |
| 20160028270 | CHARGE CONTROL FOR EXTERNAL MANUAL BATTERY CHARGERS - An apparatus for operating an external manual battery charger having a first AC power input and a DC charging output. The apparatus includes an AC controller configured to adjust at least one power parameter supplied to the AC power input of the external manual battery charger. The power parameter(s) may be any one or more of AC current, AC voltage and AC power. The apparatus further includes a feedback converter configured to monitor at least one charging parameter and to control the AC controller to adjust the one or more power parameters in accordance with the monitored charging parameter or parameters. | 01-28-2016 |
| 20160036266 | Reversible Buck Or Boost Converter That Determines Boost Output Current From Sensed Boost Input Current - A reversible buck or boost converter is operable in a buck mode and in a boost mode. In the buck mode, the converter receives a supply voltage via an input terminal and generates a charging current that is supplied to a battery, thereby charging the battery. The supply voltage is also supplied through the converter to an output terminal. In a boost mode, the converter receives power form the battery and generates a supply current and voltage that is output onto the output terminal. The same single current sense resistor is used both to control the charging current in the buck mode and to control a constant current supplied to the output terminal in the boost mode. The output current is controlled to be constant, regardless of changes in the in the battery voltage and changes in the output voltage. | 02-04-2016 |
| 20160043577 | ADJUSTING CHARGE VOLTAGE ON CELLS IN MULTI-CELL BATTERY - A method for charging a battery pack containing a plurality of cells is disclosed. The method includes receiving capacity information for a voltage adjustable set of the plurality of cells from two or more fuel gauges. Each of the two or more fuel gauges is associated with one cell in the adjustable set. The method further includes identifying a target cell for increasing charge voltage based on the capacity information. The method further includes sending a signal to a charge voltage controller associated with the target cell. The signal is configured to cause the charge voltage controller to increase charge voltage on the target cell. The charge voltage controller is one of a plurality of charge voltage controllers. Each of the plurality of charge voltage controllers is associated with one or more cells in the voltage adjustable set. | 02-11-2016 |
| 20160049803 | METHOD, CHARGER DEVICE, AND ADAPTOR CAPABLE OF MAXIMUM OUTPUT POWER POINT TRACKING - A method for controlling an adaptor to charge a battery includes: determining whether the adaptor is capable of providing a predetermined charging current for the battery; sensing an output voltage of the adaptor and an output current of the adaptor; and controlling the adaptor to adjust the output current and the output voltage according to the sensed output voltage and the sensed output current when the adaptor is not capable of providing the predetermined charging current. | 02-18-2016 |
| 20160049807 | Charger External Power Device Gain Sampling - A power management unit accurately measures and controls charging current. The power management unit may be implemented more efficiently than prior designs, leading to cost savings in the implementation of the power management unit as well as in the implementation of the device that incorporates the power management unit. The power management unit incorporates a model of an external charge control device (e.g., a transistor) and uses that model in a way that allows the power management unit to eliminate external device pins and other circuitry. | 02-18-2016 |
| 20160064959 | ELECTRONIC DEVICE, METHOD OF CONTROLLING CHARGING BY ELECTRONIC DEVICE, AND METHOD OF SUPPLYING POWER BY POWER SUPPLY DEVICE - An electronic device is provided. The electronic device includes a housing, a battery included within the housing, a connector electrically connected to an external power supply device including an integrated circuit (IC) and exposed to a part of the housing, and a power management unit included within the housing and electrically connected to the connector, wherein the power management unit is configured to communicate with the IC of the external power supply device, and wherein the connector is configured to receive a first current of a first current value during at least a part of the communication and to receive a second current of a second current value greater than the first current value during at least a part in which the communication is not performed. | 03-03-2016 |
| 20160064980 | METHOD OF MANAGING THE CHARGING OF BATTERY AND ELECTRONIC DEVICE ADAPTED THERETO - A method of managing the charging of a battery, and an electronic device adapted to the method are provided. The method of managing the charging of a battery installed to an electronic device includes: charging the battery; obtaining an internal resistance of the charging battery; determining whether the battery is functioning based on the internal resistance; and displaying, when the battery is malfunctioning, a message related to the danger while charging the battery. | 03-03-2016 |
| 20160072313 | CHARGING CONTROL METHOD FOR LITHIUM-ION BATTERY, CHARGING CONTROL APPARATUS FOR LITHIUM-ION BATTERY AND LITHIUM-ION BATTERY SYSTEM - A lithium-ion battery includes a cathode active material of the Olivine-type crystal structure. The lithium-ion battery is charged under control of a charging control apparatus, which performs a charging process for charging up to a target voltage according to a constant-current and constant-voltage charging method, a negative-electrode potential evaluation process for evaluating a potential change quantity at the negative-electrode, and a voltage setting process for setting the target voltage to a lower voltage based on the potential change quantity of the negative-electrode evaluated by the negative-electrode potential evaluation process. The charging voltage is changed from the target voltage to the set voltage even when the negative-electrode potential changes with an increase in the number of charging and aging deterioration. Thus a positive-electrode potential is suppressed from rising because of less susceptibility to the increase in number of charging and aging deterioration. | 03-10-2016 |
| 20160072317 | METHOD AND SYSTEM FOR POWER PROVISIONING - A method of operating a power adapter having multiple outputs includes setting an output priority for each of the multiple outputs and providing an output voltage at each of the multiple outputs. The method also includes measuring one or more operating parameters of the power adapter and determining that at least one of the one or more operating parameters are greater than a setpoint. The method further includes reducing the output voltage associated with at least one of the multiple output ports. | 03-10-2016 |
| 20160072319 | Electronic Device And Method Of Charging Electronic Device - A method of charging an electronic device and an electronic device includes a charger receiving first information from the electronic device; determining a charge state of the electronic device according to the first information, generating a first instruction if the charge state of the electronic device is determined to be abnormal, and adjusting the power supplied to the electronic device based on the first instruction. | 03-10-2016 |
| 20160075248 | MANAGEMENT OF ELECTRIC POWER DEMAND IN ELECTRIC VEHICLE CHARGING STATIONS - The disclosure is related to managing an electric power demand in one or more electric vehicle (EV) charging stations by adjusting a charging condition including charging levels and/or charging prices. Particularly, the charging condition may be adjusted according to a proximity degree between a target power usage amount and a current/predicted power usage amount. | 03-17-2016 |
| 20160079789 | SEMICONDUCTOR DEVICE AND BATTERY PACK - In a battery monitoring system included in a secondary battery, high-accuracy charge control is enabled at low cost. A semiconductor device includes: a drive unit which drives a transistor for controlling the charge current of a secondary battery and which is configured to be capable of selecting one of plural different voltages as a drive voltage (VGC) for turning on the transistor; and a data processing control unit which performs program processing. The data processing control unit generates condition information including information about the battery level of the secondary battery based on measured values of the secondary battery voltage and current and adjusts the charge current of the secondary battery by changing the drive voltage selection. | 03-17-2016 |
| 20160087462 | CHARGER CIRCUIT INCLUDING A PLURALITY OF CHARGING PATHS - A charger circuit includes a first path regulator, a path switch, and a second path regulator. The first path regulator is configured to generate a first regulation current based on an input voltage and an input current. The path switch is configured to pass or block a first charging current in response to a control signal. The first charging current is generated based on the first regulation current. The second path regulator is configured to generate a second regulation current based on the input voltage and the input current. At least one of the first charging current and a second charging current is used to charge a battery. The second charging current is generated based on the second regulation current. The second charging current is transferred to the battery without passing through the path switch. | 03-24-2016 |
| 20160087465 | DYNAMIC BOOST BATTERY CHARGERS - There is disclosed a dynamic boost charging system having a monitoring component configured to measure total DC current and/or battery current and a reporting component configured to transmit output data of the total DC current and/or battery current measured. A battery charger control system in operable connection with the monitoring component receives the data of the total DC current and/or battery current measured by the monitoring component, and is configured to: obtain an initial time and/or charge measurement; determine a time and/or charge to complete a recharge cycle based on the time and/or charge measurement; selectively use at least two preset DC output voltage settings, one of the at least two preset DC voltage settings being a float voltage, and another of the at least two preset DC voltage settings being a boost voltage; and maintain the boost voltage until the time has passed the charge has been provided. | 03-24-2016 |
| 20160087466 | DYNAMIC BOOST BATTERY CHARGERS - There is disclosed a dynamic boost charging system having a monitoring component configured to measure total DC current and/or battery current and a reporting component configured to transmit output data of the total DC current and/or battery current measured. A battery charger control system in operable connection with the monitoring component receives the data of the total DC current and/or battery current measured by the monitoring component, and is configured to: obtain an initial time and/or charge measurement; determine a time and/or charge to complete a recharge cycle based on the time and/or charge measurement; selectively use at least two preset DC output voltage settings, one of the at least two preset DC voltage settings being a float voltage, and another of the at least two preset DC voltage settings being a boost voltage; and maintain the boost voltage until the time has passed the charge has been provided. | 03-24-2016 |
| 20160087473 | METHOD AND APPARATUS FOR TRANSFERRING ELECTRICAL POWER - A method and an apparatus for transferring electric power to an electrical load ( | 03-24-2016 |
| 20160093926 | BATTERY PACK - A battery pack comprising: a body removably connectable to a first electrical device and a second electrical device; a rechargeable battery unit; a charging connector formed in the body and being connectable to a power source for charging the battery unit; a power connector formed in the body and being connectable to the first electrical device for charging the first electrical device; a USB port formed in the body and being connectable to the second electrical device for charging the second electrical device, the USB port being positioned away from the power connector so that the battery pack be concurrently connectable to the first electrical device via the power connector and to the second electrical device via the USB port; and a control unit for charging the rechargeable battery unit and for transferring electrical power to at least one of the power connector and the USB port. | 03-31-2016 |
| 20160094060 | METHOD FOR COMPENSATING ALTERNATOR REGULATION TO CONTROL REMOTE BATTERY VOLTAGE UTILIZING ADAPTIVE VARIABLE - A method for compensating for alternator to battery voltage drop in charging systems lacking external remote sensing capabilities and utilizing serial communications. A controller utilizes an adaptive variable for determining an alternator output voltage setpoint that compensates for battery cable voltage losses, and adjusting the setpoint to achieve substantially constant battery voltage of the entire range of alternator loads. | 03-31-2016 |
| 20160094068 | SECONDARY BATTERY PROTECTION CIRCUIT AND BATTERY DEVICE - To realize an overcharge detection device capable of bring about a state of reducing current consumption thereof except for when a lithium ion secondary battery becomes overcharged, and provide a secondary battery protection circuit and a battery device low in power consumption and safe. There is provided a secondary battery protection circuit which is provided with a second detection circuit having a detection voltage threshold identical to or lower than a detection voltage threshold of an overcharge detection circuit and reduces current consumption of the overcharge detection device when the voltage of the secondary battery is less than the detection voltage threshold of the second detection circuit. | 03-31-2016 |
| 20160096493 | BICYCLE POWER CONTROL APPARATUS - A bicycle power control apparatus is basically provided with a rectifier, a storage battery, a detection unit and a controller. The rectifier is configured to rectify power generated by an AC generator that is mounted on a bicycle. The storage battery is configured to store DC power outputted by the rectifier. The storage battery is configured to supply the DC power to an electric component that is mounted to the bicycle. The detection unit is configured to detect an electrical signal from the AC generator. The controller is configured to control a ratio of a distributed amount of the DC power to the electric component with respect to a distributed amount of the DC power to the storage battery according to the detection result of the detection unit. | 04-07-2016 |
| 20160099582 | SINGLE INDUCTOR DC-DC CONVERTER WITH REGULATED OUTPUT AND ENERGY HARVESTING SYSTEM - An energy harvesting circuit receives an input voltage from a transducer and uses a single inductor operating in a DC-DC converter charging mode to generate charging current at a first output coupled to an energy storage device where a supply voltage is stored. The energy harvesting circuit further receives the supply voltage from the energy storage device and uses the same single inductor operating in a DC-DC converter regulating mode to generate load current at a second output where a regulated load voltage is provided. The energy harvesting circuit switches between the charging mode and the regulating mode in accordance with a discontinuous mode (DCM) control process. | 04-07-2016 |
| 20160099591 | OVERCHARGE PROTECTION DEVICE AND METHOD INCLUDING DIAGNOSTIC FUNCTION - Disclosed herein is an overcharge protection device including a diagnostic function. The overcharge protection device comprises: a mechanical overcharge protection device, connected between the relay actuation coil of a main relay and a ground, for disconnecting the connection between the relay actuation coil and the ground when the degree of swelling of a battery is equal to or greater than a predetermined value; and a control unit for diagnosing whether the mechanical overcharge protection device is operating or has failed by detecting the voltage between the two ends of the mechanical overcharge protection device. Accordingly, because whether the mechanical overcharge protection device is operating or has failed may be diagnosed accurately, it is possible to detect in advance that the mechanical overcharge protection device may not be operating normally due to the defects or failure thereof whereby a fail-safe overcharge protection device may be embodied and safety may be improved. | 04-07-2016 |
| 20160101706 | Charging System for Electric Vehicles - Systems composed of chargers that allow vehicles to control parameters of power, or that allow vehicles to receive power having parameters the power connector usually is used for, or parameters that a charger estimated based on voltage that the charger measures at the vehicle's connector, or that has parameters that a charger calculated based information about the vehicle's energy storage device that the vehicle sends to the charger. | 04-14-2016 |
| 20160105040 | CHARGING DEVICE - A charging device includes a plurality of DC charging ports, a detecting circuit and a current output unit. The DC charging ports includes at least one first charging port and at least one second charging port. The output currents provided by the first charging port and the second charging port are lower than or equal to a first current limit and a second current limit, respectively. The detecting circuit is coupled to the DC charging ports to detect the output currents from the DC charging ports. When the current required by the first charging port is lower than the first current limit, the current output unit correspondingly supplies a requested current to the first charging port and distributes a surplus current to the second charging port. A total current limit of the DC charging ports is higher than a supply current limit. | 04-14-2016 |
| 20160105041 | METHOD AND SYSTEM FOR CHARGING A BATTERY - A method, computer system, and non-transitory computer-readable storage medium containing instructions for charging a battery are disclosed. The method involves determining a stored charge of a battery, modifying a charging parameter based on the stored charge of the battery and a back-up requirement, and charging the battery based on the charging parameter. | 04-14-2016 |
| 20160107535 | METHOD AND SYSTEM FOR CHARGING A MOTOR VEHICLE BATTERY ACCORDING TO TEMPERATURE - A method for charging a motor vehicle battery includes determining the electrolyte resistance frequency of the cell, determining the battery charge transfer resistance frequency, and charging the battery with a current at a charging current frequency greater than the electrolyte resistance frequency of the battery and less than the battery charge transfer resistance frequency. | 04-21-2016 |
| 20160111898 | FAST CHARGING METHOD FOR BATTERY - The present invention provides a fast charging method for battery, including the steps as follows: (1) the battery is charged with a constant current I | 04-21-2016 |
| 20160118822 | BATTERY CHARGER WITH SEGMENTED POWER PATH SWITCH - A battery charger circuit having a regulator controller configured to control the switching transistors of a switching voltage regulator. A power path switch is disposed intermediate an output of the switching voltage regulator and a terminal of a battery to be charged, with the power path switch including at least two transistor segments having common respective drain electrodes, common respective source electrodes and separate respective gate electrodes. A power path switch controller operates to sequentially turn ON the at least two transistor segments of the power path switch, preferably in the order of a decreasing ON resistance. | 04-28-2016 |
| 20160126758 | METHOD FOR READING, WRITING, OR UPDATING INFORMATION FOR BATTERY CELL VIA CONNECTING INTERFACE BETWEEN PORTABLE DEVICE AND BATTERY PACK INCLUDING BATTERY CELL SO AS TO OBTAIN PRECISE INFORMATION - A method used between a portable device and a battery pack including at least one battery cell includes: transmitting information for the battery cell from the portable device to the battery pack via the connecting interface or from the battery pack to the portable device via the connecting interface; and, according to the information for the battery cell, performing at least one control operation that is associated with the battery cell. | 05-05-2016 |
| 20160126762 | MITIGATING PREMATURE WEAR OUT OF A RECHARGEABLE BATTERY - A computer-implemented method and information handling system manage a rate of decreasing full capacity of a rechargeable battery by using a projected/target rate of decreasing charge capacity for the battery. The method includes determining an actual rate of decreasing charge capacity of the battery, comparing the actual rate of decreasing charge capacity to the projected/target rate of decreasing charge capacity to determine whether the actual rate of decreasing charge capacity is greater than the projected rate of decreasing charge capacity, and if the actual rate of decreasing charge capacity is greater than the projected/target rate of decreasing charge capacity, modifying one or more variable parameters to slow down the actual rate of decreasing charge capacity of the battery such that the actual rate of decreasing charge capacity remains within a range of the projected/target rate of decreasing charge capacity, and charging and discharging the battery using the modified parameters. | 05-05-2016 |
| 20160129801 | VEHICLE AND METHOD FOR AUTHENTICATING A CHARGE STATION - A charge station includes a controller that initiates charging of a battery of a vehicle and notifies the vehicle in response to an electrical parameter measured and reported by the vehicle not being approximately equal to a same electrical parameter measured at the charge station. The electrical parameter may be power, voltage or current. | 05-12-2016 |
| 20160137080 | APPARATUS AND METHOD FOR CHARGING BATTERY FOR VEHICLE - An apparatus and a method for charging a battery for a vehicle are provided. The apparatus includes a power factor correction circuit that is configured to distribute charging power output from a charging device, which is connected to a power source, to multiple phases, and to correct a power factor of charging power distributed to the respective phases. In addition, a controller is configured to operate the power factor correction circuit to distribute charging power to some of the multiple phases based on the charging device or the charging power of the charging device. | 05-19-2016 |
| 20160149417 | MAGNETIC CAPACITOR ENERGY MODULE AND APPLICATIONS THEREOF - An energy module includes a capacitance-based power source structure, charging circuitry, a DC-to-DC conversion system, and an energy control module. The capacitance-based power source structure is operable to supply a voltage when the energy module is in a voltage supply mode, wherein, when substantially fully charged, the voltage is at least 48 volts and to receive a charge when the energy module is in a charge mode. The charging circuitry is operable to provide a regulated charge voltage to the capacitance-based power source structure when the energy module is in the charge mode. The DC-to-DC conversion system is operable to convert the voltage into one or more regulated supply voltages when the energy module is in the voltage supply mode. The energy control module is operable to determine the voltage supply mode and the charge mode. | 05-26-2016 |
| 20160155922 | THERMOELECTRIC GENERATOR SLEEVE FOR A CATALYTIC CONVERTER | 06-02-2016 |
| 20160159237 | CHARGING CONTROL DEVICE, VEHICLE, VEHICLE CHARGING SYSTEM, CHARGING CONTROL METHOD, AND PROGRAM - A charging control device includes a power reception unit, a charging instruction output unit, and a travel instruction output unit. The power reception unit receives power from a power supply device when the power reception unit is present in a power supply area where the power from the power supply device can be supplied. The charging instruction output unit outputs a charging instruction relating to charging of a secondary battery using the power received by the power reception unit. The travel instruction output unit outputs a travel instruction relating to traveling of a vehicle provided with the charging control device. The secondary battery and a travel motor are electrically insulated from each other when the charging instruction output unit outputs a charging start instruction as the charging instruction for the secondary battery, and are electrically connected to each other when the travel instruction output unit outputs a travel start instruction for the vehicle. | 06-09-2016 |
| 20160167537 | Communication Method | 06-16-2016 |
| 20160172880 | APPARATUS FOR TESTING AND CONDITIONING RECHARGEABLE BATTERIES | 06-16-2016 |
| 20160181829 | BATTERY CHARGING METHOD AND APPARATUS WITH POWER POINT CHECK AND SWITCHABLE CONTROL | 06-23-2016 |
| 20160181832 | SYSTEM AND METHOD FOR CHARGING A SECONDARY BATTERY | 06-23-2016 |
| 20160181834 | BATTERY CHARGING SYSTEM INCLUDING CURRENT OBSERVER CIRCUITRY TO AVOID BATTERY VOLTAGE OVERSHOOT BASED ON BATTERY CURRENT DRAW | 06-23-2016 |
| 20160181843 | POWER SUPPLY TERMINAL, AND CHARGING CONTROL METHOD AND APPARATUS | 06-23-2016 |
| 20160190824 | BATTERY POWERED SYSTEM AND METHOD FOR CHARGING - A unique method for charging a battery includes comparing a parameter to a limit, wherein the parameter relates to previous charging of the battery; determining a current state of the battery; and performing a next charging cycle based on the comparison and/or the current state of the battery. A unique system includes a vehicle, a battery, and a charging system for charging the battery. The charging system includes a controller for determining whether the battery is in short term storage or long term storage; starting a new charge cycle after a first amount of reduction in the charge of the battery if the battery is in short term storage; and starting the new charge cycle after a second amount of reduction in the charge of the battery if the battery is in long term storage. | 06-30-2016 |
| 20160190831 | VOLTAGE CONTROL METHOD FOR SECONDARY BATTERY - A voltage control method for a secondary battery includes: calculating a voltage difference between a first voltage value as an initial voltage of the secondary battery and a second voltage value as a voltage of the secondary battery after being charged by constant-current charging during a predetermined time period; calculating an internal resistance of the secondary battery based on the voltage difference and a value of constant current applied in the constant-current charging; calculating an additional voltage based on the internal resistance and a value of constant current applied during voltage control, and calculating a target voltage by adding the additional voltage to a predetermined required voltage; controlling the voltage by charging the secondary battery with constant current until the target voltage is reached; and determining that the secondary battery is defective when the target voltage is not reached within a predetermined permissible time period while the voltage is controlled. | 06-30-2016 |
| 20160190848 | CHARGING METHOD, APPARATUS AND SYSTEM, CHARGER, AND CHARGEABLE DEVICE - A charging method, a charging apparatus, a charger, a chargeable device and a charging system are provided. The charging method includes: acquiring a first current value of a control current from a chargeable device; acquiring a first voltage value corresponding to the acquired first current value of the control current based on a preset relation, wherein the preset relation represents correlations between current values and voltage values; and adjusting a voltage value of an output voltage of a charger to the acquired first voltage value corresponding to the first current value of the control current. Accordingly, capability of the charger can be fully used, and fast charging can be achieved. | 06-30-2016 |
| 20160197496 | ENERGY DEVICES WITH ULTRA-CAPACITOR STRUCTURES AND METHODS THEREOF | 07-07-2016 |
| 20160204623 | CHARGE LIMIT SELECTION FOR VARIABLE POWER SUPPLY CONFIGURATION | 07-14-2016 |
| 20160204631 | OVERCURRENT PROTECTION IN A BATTERY CHARGER | 07-14-2016 |
| 20160254681 | APPARATUS AND METHOD FOR CONTROLLING POWER | 09-01-2016 |
| 20170232855 | HIGH VOLTAGE BATTERY CHARGER AND METHODS OF OPERATION | 08-17-2017 |
| 20170234930 | DETECTION METHOD OF LI PLATING, METHOD AND APPARATUS FOR CHARGING SECONDARY BATTERY AND SECONDARY BATTERY SYSTEM USING THE SAME | 08-17-2017 |
| 20180026464 | METHOD OF CHARGING LITHIUM METAL BATTERY | 01-25-2018 |
