24th week of 2014 patent applcation highlights part 22 |
Patent application number | Title | Published |
20140159574 | RESISTIVE THIN LAYER HEATING OF FLUORESCENT LAMP - Fluorescent lamps, along with their methods of manufacture and use, are provided. The fluorescent lamp can include a discharge tube extending from a first end to a second end; a resistive transparent coating (e.g., a tin oxide thin film layer, such as a fluor-doped tin oxide thin film layer) on the outer surface of the discharge tube; and a pair of electric terminals positioned on the discharge tube such that a first terminal is on the first end and a second terminal is on the second end. | 2014-06-12 |
20140159575 | LIGHTING DEVICE - A lighting device includes a light holder component and a light source component. The light holder component includes a wireless power supply module. The wireless power supply module has a first magnetic element. The light source component includes at least one light source and a wireless electric receiving module. The light source is electrically connected to the wireless electric receiving module. The wireless electric receiving module has a second magnetic element. The second magnetic element is attracted to the first magnetic element to cause the light source component to dispose on the light holder component. | 2014-06-12 |
20140159576 | LIGHTING CIRCUIT, IN PARTICULAR WITH LED LIGHT SOURCES - A lighting circuit, in particular for a motor vehicle light, comprises at least one light source, particularly of the LED type, defined by a first voltage selection, a first selection circuit to identify said first voltage selection, at least one light source, particularly of the LED type, defined by a second voltage selection, and a second selection circuit to identify said second voltage selection. An electronic control unit configured to detect said first and second voltage selection of the light source, and to regulate the driving current absorbed by the light source defined by the lower voltage selection, so that said driving current follows with a constant ratio the trend of the driving current absorbed by the light source defined by the higher voltage selection, the latter being taken as reference. | 2014-06-12 |
20140159577 | VEHICLE AUXILIARY LIGHT CONTROL UNIT - A plug-in auxiliary headlight control unit (AHCU) repairs a damaged LCM and assures headlight performance. The plug-in AHCU contains an alternate lighting control circuitry, vehicle wiring harness connectors, LCM connectors, and a power relay, arranged on a chassis. The AHCU plugs into the failed LCM unit utilizing existing connectors for the vehicle's wiring harness. This arrangement places the AHCU in-line between the vehicle's wiring harness and the LCM. | 2014-06-12 |
20140159578 | APPARATUS FOR USING HEAT PIPES IN CONTROLLING TEMPERATURE OF AN LED LIGHT UNIT - A light emitting diode (LED) light unit is disclosed. For example, the LED light unit includes at least one support plate having one or more inner openings. At least one LED array may be coupled to an LED board. The LED light unit also includes at least one heat pipe coupled to the LED board, wherein said LED board is coupled to the at least one support plate. | 2014-06-12 |
20140159579 | LIGHTING MODULE AND LIGHTING APPARATUS USING LIGHTING MODULE - A lighting module includes a power reception unit configured to receive alternating current (AC) power from an external power source, a light emitting diode (LED) array including a plurality of LEDs, and a driving circuit unit configured to supply operational power to the plurality of LEDs, and control operation of the plurality of LEDs. | 2014-06-12 |
20140159580 | Protecting Passive HF Generator Components - In one aspect, a method includes protecting passive components connected to a high-frequency generator. In another aspect, a system includes a high-frequency generator having an HF source generating a high-frequency power signal at a fundamental frequency, and having a first control circuit which is fed with a signal related to an HF power transmitted by a high-frequency cable between the high-frequency generator and a load. | 2014-06-12 |
20140159581 | METHOD AND DEVICE FOR GENERATING OPTICAL RADIATION BY MEANS OF ELECTRICALLY OPERATED PULSED DISCHARGES - The present invention relates to a method and device for generating optical radiation ( | 2014-06-12 |
20140159582 | THERMO-ELECTRICALLY PUMPED LIGHT-EMITTING DIODES - Contrary to conventional wisdom, which holds that light-emitting diodes (LEDs) should be cooled to increase efficiency, the LEDs disclosed herein are heated to increase efficiency. Heating an LED operating at low forward bias voltage (e.g., V2014-06-12 | |
20140159583 | METHOD AND LED APPARATUS FOR LIGHTING WITH LED LIGHTING CONTROLLER - A high efficiency LED lighting system with four LED modules. Each module has heat sink assemblies arranged in rows. The heat sink assemblies comprise an LED package mounted on a heat sink reflector. The LED package has a flat find diffusing lens positioned over the diode. A diffusing lens is spaced apart from the heat sink assemblies. A switch mode power supply controller provides power to a pair of light sources. The controller includes a low voltage programmable current source and adjusting elements for independently adjusting the current to the LED light sources. The controller also includes a first communication port for receiving a communication from an external device and a second communication port for sending a communication to a third power supply controller. These ports provide an upstream and downstream communication capability through a chain of controllers so that input from a device can be communicated upstream and downstream. | 2014-06-12 |
20140159584 | SPECTRAL SHIFT CONTROL AND METHODS FOR DIMMABLE AC LED LIGHTING - Apparatus and associated methods involve operation of an LED light engine in which a relative intensities of selected wavelengths shift as a function of electrical excitation. In an illustrative example, current may be selectively and automatically diverted substantially away from at least one of a number of LEDs arranged in a series circuit until the current or its associated periodic excitation voltage reaches a predetermined threshold level. The diversion current may be smoothly reduced in transition as the excitation current or voltage rises substantially above the predetermined threshold level. A color temperature of the light output may be substantially changed as a predetermined function of the excitation voltage. For example, some embodiments may substantially increase or decrease a color temperature output by a solid state light engine in response to dimming the AC voltage excitation (e.g., by phase-cutting or amplitude modulation). | 2014-06-12 |
20140159585 | LUMINAIRE WITH SWITCH-MODE CONVERTER POWER MONITORING - The power consumption of a switch-mode power converter can be determined based upon at least one of a converter drive signal pulse width or a converter drive signal frequency. Such power consumption can be determined using an algorithm providing a functional relationship between switch-mode power converter power consumption and at least converter drive signal pulse width or frequency. Such algorithms can be either calculated using known component values or empirically determined. Such power consumption may also be determined using store power consumption data in a data store that is indexed by at least one of the converter drive signal pulse width or frequency. | 2014-06-12 |
20140159586 | VISIBLE LIGHT COMMUNICATION DEVICE - A variable impedance circuit ( | 2014-06-12 |
20140159587 | DYNAMIC ADAPTIVE ILLUMINATION CONTROL FOR FIELD SEQUENTIAL COLOR MODE TRANSITIONS - This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for selecting an operational mode of a display device from a plurality of operational modes. The operational modes may include at least one field-sequential color mode in which a display is illuminated with white light while data are written to the display. The operational mode may be selected based, at least in part, on ambient light data. The ambient light data may include ambient light intensity data, ambient light spectrum data and/or ambient light direction data. The operational mode may be selected based, at least in part, on other criteria, such as color gamut data, display application type and/or battery state data. | 2014-06-12 |
20140159588 | Method for Adjustably Controlling Light and Apparatus thereof - Disclosed is a method for adjustably controlling a light by concurrently tracking and controlling one or more lighting devices and apparatus thereof. The light device is connected to a control unit and is provided with at least one power switch. The control unit is provided for recognizing a switch operating code and for performing an adjustable controlling or an operating of each lighting device. Therefore, the present invention can provide more convenience and completeness of lighting configuration. | 2014-06-12 |
20140159589 | Control unit and method for lighting control - A control unit ( | 2014-06-12 |
20140159590 | MATERIALS AND CONFIGURATIONS OF A FIELD EMISSION DEVICE - A field emission device is configured as a heat engine. Different embodiments of the heat engine may have different configurations that may include a cathode, gate, suppressor, and anode arranged in different ways according to a particular embodiment. Different embodiments of the heat engine may also incorporate different materials in and/or proximate to the cathode, gate, suppressor, and anode. | 2014-06-12 |
20140159591 | Direct-Current Power Supply Device and Lighting Apparatus - According to one embodiment, a direct-current power supply device and an LED lighting apparatus are provided in which arc discharge is more certainly detected and versatility can be improved. The direct-current power supply device includes a constant-current circuit, a voltage detection unit, a current detection unit and a control unit. The constant-current circuit is supplied with power by an external power supply and outputs a constant current to an LED. The voltage detection unit detects one of a load voltage and an electric quantity corresponding to the load voltage. The current detection unit detects one of a load current and an electric quantity corresponding to the load current. The control unit reduces or stops the output current from the constant-current circuit if a detected value of the voltage detection unit increases and a detected value of the current detection unit does not at least increase. | 2014-06-12 |
20140159592 | LED LIGHT TUBE COMPATIBLE WITH LIGHT FIXTURE HAVING ELECTRONIC BALLAST OR MAGNETIC BALLAST - The LED light tube compatible with a light fixture having an ballast has a translucent tube and an LED light bar mounted in the translucent tube. and having at least one waveform conversion circuit having multiple rectifier diodes and at least one LED light string connected to the at least one waveform conversion circuit, wherein a recovery time of each rectifier diode is under 1 μs; the ballast determines the at least one waveform conversion circuit and the at least one LED light string as low impedance loads, thus, the ballast does not output a high voltage AC power and burn the LED light tube; a recovery time of each rectifier diode is also short such that the LED light tube can endure a high frequency AC power outputted by the ballast. As such, the LED light tube is compatible with the light fixture. | 2014-06-12 |
20140159593 | APPARATUS HAVING UNIVERSAL STRUCTURE FOR DRIVING A PLURALITY OF LED STRINGS - An apparatus comprises a plurality of controllable LED strings interposed with a plurality of switching units with each switching unit being connected between a leading controllable LED string and a trailing controllable LED string. A controller controls the switching units so that controllable LED strings are connected in a combination of series and parallel connections by connecting two adjacent leading and trailing controllable LED strings in series or parallel or by-passing the leading controllable LED string based on an automatically detected input voltage range. Each controllable LED string includes a plurality of LEDs connected in series between positive and negative ends of the controllable LED string and a plurality of controlling switches each corresponding to an LED. The number of LEDs connected in series in each controllable LED string is further adjusted by the controller as the input voltage varies with time. | 2014-06-12 |
20140159594 | LIGHT SOURCE DEVICE WITH LIGHT-EMITTING DIODE MODULE - A light source device with an LED module includes a load module. The load module includes a voltage-regulating unit and a constant current controlling unit parallel-connected between a first output end and a second output end of the voltage-regulating unit. An input end of the voltage-regulating unit is connected to a positive end of a voltage source. The voltage-regulating unit generates a stable voltage difference of less than 1.6V between the first and second output ends. The LED module receives a residual voltage equal to the result of subtracting from the output voltage of the voltage source the voltage difference consumed by the load module. The amount by which the residual voltage exceeds the operating voltage required for the entire LED string never exceeds safe voltage values. Even if a voltage source changes, the voltage-regulating unit can still generate a stable voltage difference and a stable current. | 2014-06-12 |
20140159595 | CURRENT BALANCING CIRCUITS FOR LIGHT-EMITTING-DIODE-BASED ILLUMINATION SYSTEMS - A system includes first, second, and third sets of LEDs and a control module. The first set of LEDs outputs light having wavelengths in a wavelength range in a spectrum of ultraviolet light and is coated with a phosphor to convert the ultraviolet light to blue light having wavelengths in a wavelength range in a spectrum of blue light. The second and third sets of LEDs output light having wavelengths in a wavelength range in the spectrum of blue light and is coated with phosphors to convert the blue light to light having wavelengths in a wavelength range in a spectrum of green, yellow, and red light. The second set of LEDs generates less red light than green light. The third set of LEDs generates less green light than red light. The current control module controls currents through the first, second, and third sets of LEDs to generate white light. | 2014-06-12 |
20140159596 | PHOSPHOR AND LED PLACEMENT FOR WHITE LED-BASED LAMPS - A system including a base portion, which includes first and second sets of light emitting diodes (LEDs) to emit blue light having first and second wavelengths in first and second wavelength ranges in a spectrum of blue light, a glass layer arranged at a second predetermined distance from the base portion, and a plurality of coatings of first and second phosphors having a predetermined length arranged in an alternating pattern on a surface of the glass layer facing toward the LEDs. The LEDs of the first and second sets are arranged on the base portion in an alternating pattern and are separated from each other by a first predetermined distance. Centers of the coatings of the first and second phosphors respectively align with centers of corresponding LEDs in the first and second sets. | 2014-06-12 |
20140159597 | LIGHTING SYSTEM AND CONTROL METHOD THEREOF - A lighting system includes: a rectifier full-wave rectified an AC voltage to generate an output voltage; first and second LED groups connected to each other in series, wherein an input terminal of the first LED group is coupled to the output voltage; first terminals of first and second switches respectively coupled to output terminals of the first and second LED groups; a first resistor having a first terminal connected to the second terminal of the first switch and the second switch and a second terminal connected to a ground voltage; and first and second operational amplifiers having output terminals respectively coupled to control terminals of the first and second switches, and inverting input terminals respectively coupled to the first terminal of the first resistor, and non-inverting input terminals respectively coupled to the first and second reference voltages. | 2014-06-12 |
20140159598 | LED CURRENT CONTROL - An LED control circuit for controlling a current supplied to an LED unit is disclosed. A sense resistor is included for sensing an output current provided from an output node. A comparator circuit is provided for detecting upper and lower thresholds in the output current based on the voltages at ends of the sense resistor, and for controlling a current supply to maintain the current between the thresholds. The comparator circuit comprises a reference current source and reference resistors, for generating upper and lower threshold references. The comparator circuit further comprises a comparator for detecting a mid-range voltage dependent on the output current and deriving a control signal which indicates if the detected voltage is above or below the mid-range voltage. The control signal is used to adjust the reference current source, thereby to vary the upper and lower threshold references to maintain a constant median or average output current. | 2014-06-12 |
20140159599 | FLICKER-FREE LAMP DIMMING-DRIVER CIRCUIT FOR SEQUENTIAL LED BANK CONTROL - An LED dimmer circuit to sequentially control multiple banks of LEDs connected in series. The invention is designed to respond to demands for more or less illumination by sequentially turning on or off one or more banks of LEDs. Each bank is turned off or on in response to the phase angle of an AC power source with each LED bank being controlled by a different phase angle. | 2014-06-12 |
20140159600 | LED-BASED LAMP WITH USER-SELECTABLE COLOR TEMPERATURE - A lamp including a first set of light emitting diodes configured to generate first light, a second set of light emitting diodes configured to generate second light, and a third set of light emitting diodes configured to generate third light. The first light, the second light, and the third light combine to produce white light. A first switch is located at a base portion of the lamp. The state of the first switch corresponds to a color temperature of the white light. A color temperature adjustment module is configured to vary outputs of the first, second, and third sets of light emitting diodes in accordance with the color temperature of the white light selected by a user using the first switch. | 2014-06-12 |
20140159601 | POWER SUPPLY CIRCUIT AND ILLUMINATION DEVICE - There is provided a power supply circuit including a power converting unit, a control unit, and a power supply unit for control. The power converting unit converts a conduction angle controlled alternating-current voltage supplied via a power supply path so as to be supplied to a load. The control unit detects a conduction angle of the alternating-current voltage and controls conversion of a voltage by the power converting unit according to the detected conduction angle. The power supply unit for control is electrically connected to the power supply path and converts the alternating-current voltage so as to be supplied to the control unit. | 2014-06-12 |
20140159602 | POWER SUPPLY CIRCUIT AND LUMINAIRE - There is provided a power supply circuit including a power converting unit configured to convert a conduction angle controlled alternating-current voltage supplied via a power supply path and supply a direct-current voltage to a load, a control unit configured to detect a conduction angle of the alternating-current voltage and control the conversion of the voltage according to the detected conduction angle, and a power supply unit including a first branch path electrically connected to the power supply path, a semiconductor element configured to adjust an electric current flowing to the first branch path, a thermosensor configured to limit, if the temperature of the semiconductor element is equal to or higher than an upper limit temperature, an electric current flowing to the semiconductor element. The power supply unit converts the alternating-current voltage input via the first branch path and supplies a direct-current voltage to the control unit. | 2014-06-12 |
20140159603 | LED DRIVING APPARATUS AND METHOD - There are provided an LED driving apparatus and an LED driving method. The LED driving apparatus includes a rectifying unit rectifying AC power; a light emitting unit including a plurality of light emitting diodes; a switching unit including a plurality of switching elements connected to the plurality of light emitting diodes; and a controlling unit controlling operations of the plurality of light emitting diodes, wherein the controlling unit controls a duty ratio of a turned-on switching element based on a level of the AC power within respective turning-on periods of the plurality of switching elements. | 2014-06-12 |
20140159604 | Power Supply Circuit and Luminaire - A power supply circuit includes a power converting unit, a current adjusting unit, and a control unit. The power converting unit is configured to convert an alternating-current voltage into a direct-current voltage and supply the direct-current voltage to a load. The alternating-current voltage is subjected to conduction angle control and is supplied via a power supply path. The current adjusting unit includes a branch path electrically connected to the power supply path and can switch a first path state and a second path state. The first path state feeds a part of an electric current flowing through the power supply path to the branch path. The control unit detects a conduction angle of the alternating-current voltage, controls the conversion of the direct-current voltage by the power converting unit according to the detected conduction angle, and controls the current adjusting unit according to the detected conduction angle. | 2014-06-12 |
20140159605 | AC-DC POWER CONVERTER - In one embodiment, an AC-DC power converter can include: (i) a rectifier bridge and filter to convert an external AC voltage to a DC input voltage; (ii) a first energy storage element to store energy from the DC input voltage via a first current through a first conductive path when in a first operation mode; (iii) a second energy storage element configured to store energy from a second DC voltage via a second current through a second conductive path when in the first operation mode; (iv) a transistor configured to share the first and second conductive paths; (v) the first energy storage element releasing energy to a third energy storage element and a load through a third conductive path when in a second operation mode; and (vi) the second energy storage element releasing energy to the load through a fourth conductive path during the second operation mode. | 2014-06-12 |
20140159606 | Energy-Recycling Burn-In Apparatus and Method of Burn-In for Electronic Ballasts - An apparatus and method for burning-in an electronic ballast for a lamp. The apparatus comprises a first stage for emulating an input impedance characteristic of a lamp for the electronic ballast and a second stage connected to the first stage for providing energy feedback to a power supply. An input of the first stage connects in use to the electronic ballast to be burnt-in. An output of the second stage connects in use to the power supply to provide energy feedback to said power supply from the electronic ballast being burnt-in. The energy-recyclable burn-in apparatus can emulate the lamp characteristics from start up to the steady state, process high-frequency ballast output power and recycle the power back into the power grid. The burn-in method includes operating the apparatus for a predetermined period of time such that a voltage applied to the electronic ballast simulates a steady-state operation of a lamp for the electronic ballast. | 2014-06-12 |
20140159607 | LIGHTING APPARATUS AND CONTROL CIRCUIT - A lighting apparatus includes a first LED unit and a second LED unit configured to provide different color temperatures. A pulse/voltage conversion circuit is connected between a power supply line and a low-potential side reference line, and configured to convert the pulses of input electric power into a voltage. A voltage dividing circuit is connected between the output terminal of the pulse/voltage conversion circuit and the low-potential side reference line, and configured to divide the voltage converted by the pulse/voltage conversion circuit. The dividing node of the voltage dividing circuit and the low-potential side terminal of the second LED unit are connected. | 2014-06-12 |
20140159608 | DRIVER CIRCUIT FOR DIMMABLE SOLID STATE LIGHT SOURCES WITH FILTERING AND PROTECTIVE ISOLATION - A driver circuit for a lamp assembly including one or more solid state light sources is provided. The driver circuit includes filtering and power factor correction with protective isolation. The driver circuit includes a transformer with electrically isolated windings and a power factor correction circuit that receives no feedback from a secondary winding of the transformer. | 2014-06-12 |
20140159609 | PIXLE UNIT DRIVING CIRCUIT, METHOD FOR DRIVING THE PIXEL UNIT DRIVING CIRCUIT AND DISPLAY DEVICE - The present invention provides a pixel unit driving circuit, a driving method and a display device. Wherein, the circuit comprises four TFT transistors and two capacitors. The display process is divided into three processes, which are a pre-charging phase, a compensation phase and a display phase. As compared with the conventional pixel structure, the nonuniformity and the shift of the threshold voltage of the depleted TFT or the enhanced TFT driving transistor, and the nonuniformity of the OLED voltage may be effectively compensated. | 2014-06-12 |
20140159610 | CAMERA FLASH SYSTEMS AND METHODS FOR ADJUSTING FLASH EXPOSURE POWER - Camera flash systems and methods for data transmission between cameras and flash devices remote to the camera for remotely adjusting flash exposure power of the flash devices are disclosed. The camera flash systems include a transmitter and a receiver. The transmitter receives camera output data from a camera that includes exposure power data for at least one flash device remote to the transmitter and user input data that includes adjustments to the flash exposure power data for the at least one flash device. The transmitter is operable to transmit the adjusted flash exposure power data to the at least one flash device. The receiver receives the adjusted flash exposure power data from the transmitter and is operable to transmit the adjusted flash exposure power data to a flash device. | 2014-06-12 |
20140159611 | DRIVER DEVICE AND DRIVING METHOD FOR DRIVING A LOAD, IN PARTICULAR AN LED UNIT - The present invention relates to a driver device and a corresponding driving method for driving a load ( | 2014-06-12 |
20140159612 | Method and Apparatus for Providing a Passive Color Control Scheme Using Blue and Red Emitters - A lighting device capable of generating warm or neutral white light using blue light-emitting diodes (“LEDs”), red LEDs, and/or luminescent material that responds to blue LED emission is disclosed. The lighting device includes multiple first solid-state light-emitting structures (“SLSs”), second SLSs, and balancing resistor element. The first SLS such as a string of blue LED dies connected in series is able to convert electrical energy to blue optical light, which is partially turned into longer wavelength emission by the luminescent material. The second SLS such as a red LED die is configured to convert electrical energy to red optical light, wherein the second SLSs are connected in series. While the first SLSs and second SLSs are coupled in parallel, the balancing resistor element provides load balance for current redistribution between the first and second SLSs in response to fluctuation of operating temperature. | 2014-06-12 |
20140159613 | METHOD AND SYSTEM OF AUTOMATICALLY ADJUSTING LIGHT INTENSITY OF A LIGHTING FIXTURE HAVING MULTIPLE EMITTERS - A system for automatically adjusting light intensity of a lighting fixture having multiple emitters, includes a power supply for supplying at least one current source to multiple emitters, at least one first emitter capable of emitting light of a first wavelength, at least one second emitter capable of emitting light of a second wavelength and a luminous intensity adjusting circuit for adjusting light intensity of the at least one first emitter. Particularly, the luminous intensity adjusting circuit stabilizes a first current distributed from a feeding current of the at least one current source and the multiple emitters collectively emit light at a predefined variable light-intensity. | 2014-06-12 |
20140159614 | Methods and Apparatus for Improving Backlight Driver Efficiency - An electronic device may be provided with display circuitry that includes a display timing controller, a backlight driver, a light source, and other associated backlight structures. The backlight control circuitry may generate a control signal having an adjustable duty cycle to the backlight driver. The backlight driver may include a boost converter, a current driver, and backlight control circuitry. The current driver may only be activated when the control signal is high. The backlight control circuitry may output an enable signal to the boost converter. The backlight control circuitry may activate the boost converter a predetermined amount of time before each rising clock edge in the control signal by asserting the enable signal for a longer period of time than when the control signal is high. The control signal and the enable signal may be deasserted at around the same times. | 2014-06-12 |
20140159615 | LIGHT SOURCES ADAPTED TO SPECTRAL SENSITIVITY OF DIURNAL AVIANS AND HUMANS - A method of illuminating livestock with artificial light sources. The method includes generating a first light having a first light output that provides white light at typical lumen levels for workers. Then by using a dimming device the light source can be dimmed to provide a blue light at under 3 lumen in order to provide artificial light to the diurnal avians representative of moonlight to cause the occurrence of a predetermined characteristic visual spectral response of the diurnal avian substantially enclosed habitat for diurnal avians. | 2014-06-12 |
20140159616 | ADAPTIVE HOLDING CURRENT CONTROL FOR LED DIMMER - A TRIAC dimmer controller for an LED lamp dynamically adjusts the amount of additional current supplied to the TRIAC dimmer based on the TRIAC dimmer operating mode. A TRIAC dimmer current controller continually senses the TRIAC dimmer current loading and determines a TRIAC dimmer operating mode based on the detected current. The TRIAC dimmer controller compares the detected current with a threshold current value called a TRIAC holding current, and adjusts the amount of bleeder current based on the difference between the detected current and the threshold current value. By continually sensing the TRIAC dimmer current loading, the LED controller regulates the amount of bleeder current supplied to the TRIAC dimmer using a single sink current path to satisfy the TRIAC dimmer current demands of multiple TRIAC dimmer operating modes. | 2014-06-12 |
20140159617 | Method and Apparatus for Adapting Commutation for an Electronically Commutated Electrical Machine - A method for controlling a position of an actuating element, to which a restoring force is applied, in an actuator system having an electronically commutated electrical machine, includes controlling the position of the actuating element as a function of a predefined setpoint position specification and an actual position specification. A position control unit provides an actuating variable which is associated with a space vector with which a stator arrangement of the electrical machine can be driven. The method further includes applying a correction variable to the space vector in order to correct a space vector angle of the space vector; providing an auxiliary signal; varying the space vector angle of the space vector, which is defined by the actuating variable, by the auxiliary signal; and integrating a variable to give an integration value. | 2014-06-12 |
20140159618 | ELECTRIC-MOTOR FURNITURE DRIVE HAVING A POWER SUPPLY DEVICE - An electric-motor furniture drive includes a power supply device, a manual control for moving movable furniture components relative to each other, and an electric motor with reversible rotation direction. A speed-reducing transmission is connected downstream of the electric motor and an additional transmission is connected downstream of the speed-reducing transmission. The power supply device has a mains connection, transforms the mains-side input voltage into at least one output-side low voltage and is configured for galvanic isolation between the mains-connected input side and the output side for operating the electric-motor furniture drive. The power supply device is designed as a switched-mode power supply and has an intermediate circuit, a control device for controlling the switched-mode power supply, and a secondary unit. The power supply device provides an output-side operating voltage at the output thereof in an operating state and provides an output-side idle voltage at the output in an idle state. | 2014-06-12 |
20140159619 | VIBRATION DEVICE AND INFORMATION PROCESSING APPARATUS - A disclosed vibration device includes a first vibrating motor that causes a first eccentric spindle to be rotated so that an angular velocity changes regularly within a rotation period, and a second vibrating motor that causes a second eccentric spindle to be rotated in the same angular velocity as the angular velocity of the first eccentric spindle in an opposite rotation direction to a rotation direction of the first eccentric spindle. Then, the first vibrating motor and the second vibrating motor are arranged so that a rotating shaft of the first vibrating motor is parallel with a rotating shaft of the second vibrating motor. | 2014-06-12 |
20140159620 | ACTUATOR DRIVE DEVICE - An actuator drive device is configured to drive an actuator. The actuator drive device includes a storage section for storing a drive condition of the actuator, a processor for calculating and outputting drive signal D(t) based on a drive base signal V(t) calculated based on the drive condition with respect to time t, and a generator for outputting, based on the drive signal D(t) calculated, a driving signal for driving the actuator. The drive base signal V(t) is a sum of a fundamental wave and at least one harmonic wave of the fundamental wave. The processor is operable to determine the coefficient a | 2014-06-12 |
20140159621 | METHOD AND SYSTEM FOR DETECTING FAULT OF PARALLEL COIL TYPE PERMANENT MAGNET MOTOR - Disclosed are a method and system for detecting a fault of a parallel coil type permanent magnet motor. This method includes driving a parallel coil type motor on the basis of a pre-defined current reference value, detecting a phase current vector of the motor, and calculating a current compensation value for removing a negative sequence component of the motor on the basis of the phase current vector. | 2014-06-12 |
20140159622 | CONTROL SYSTEM FOR AC MOTOR - A converter controls a system voltage, which is a DC link voltage of an inverter, in accordance with a voltage command value. The inverter outputs a rectangular wave voltage having the system voltage as amplitude to an AC motor during application of rectangular wave voltage control. During application of rectangular wave voltage control, a voltage command value for the system voltage is modified such that a current phase on a d-q plane of the AC motor is brought closer to a target current phase line. The target current phase line is set on an advance side relative to an optimal current phase line which is a set of current phases at which output torque is maximized for the same amplitude of a motor current in the AC motor. | 2014-06-12 |
20140159623 | MOTOR DRIVING APPARATUS AND METHOD - There are provided a motor driving apparatus and method capable of driving a motor at an optimal driving frequency at which back-electromotive force is generated by sweeping a driving frequency by a preset unit frequency interval during initial driving of the motor, the motor driving apparatus including: a frequency signal generating unit providing a frequency signal of which a frequency is set by a preset unit frequency interval; a driving signal generating unit generating a driving signal based on the frequency signal from the frequency signal generating unit; and a driving unit driving a motor according to the driving signal from the driving signal generating unit. | 2014-06-12 |
20140159624 | MOTOR DRIVING CONTROL APPARATUS AND METHOD, AND MOTOR USING THE SAME - There are a motor driving control apparatus and method, and a motor using the same, the motor driving control apparatus including a back-electromotive force detecting unit detecting back-electromotive force generated from a motor apparatus, an offset correcting unit determining whether an offset delay is present in the back-electromotive force detecting unit and correcting the offset delay when the offset delay is present, and a controlling unit controlling a driving of the motor apparatus using the back-electromotive force in which the offset delay is corrected by the offset correcting unit. | 2014-06-12 |
20140159625 | MOTOR DRIVING MODULE, OPERATING METHOD FOR THE SAME, AND BRUSHLESS DC MOTOR SYSTEM - The inventive concept provides a motor driving module, a operating method for the same, and a Brush less Direct Current (BLDC) motor system. The motor driving module is provided which comprises a motor driving unit configured to output a plurality of switching signals based on a plurality of position signals and a control signal; and a Pulse Width Modulation (PWM) inverter configured to output 3-phase voltages based on the plurality of switching signals outputted from the motor driving unit, wherein the motor driving unit comprises; a correction circuit configured to detect an error of the plurality of position signals to output a compensation signal based on the detecting result; and a control circuit configured to output the plurality of switching signals based on the compensation signal and the control signal, wherein the plurality of position signals indicate a position of a rotor in an external motor. | 2014-06-12 |
20140159626 | MOTOR DRIVING APPARATUS - There is provided a motor driving apparatus in which a current is detected from a connection point between a PMOS transistor and an NMOS transistor of a motor driving circuit, thus reducing a voltage headroom loss due to a shunt resistor. The motor driving apparatus including: a driving unit including a first transistor unit and a second transistor unit connected in parallel between a driving power source terminal and a ground; and a motor driven according to switching of the first and second transistor units; and a detection unit detecting a current from a connection point between a PMOS transistor and an NMOS transistor of at least one of the first and second transistor units. | 2014-06-12 |
20140159627 | MOTOR DRIVING CONTROL APPARATUS AND METHOD, AND MOTOR USING THE SAME - There are provided a motor driving control apparatus and method and a motor using the same, the motor driving control apparatus including: a driving signal generating unit generating a driving control signal controlling a driving of a motor apparatus, a back-electromotive force detecting unit detecting back-electromotive force generated in the motor apparatus, and a controlling unit estimating a driving current of the motor apparatus using the back-electromotive force and adjusting a duty ratio of the driving control signal when the estimated driving current is an overcurrent. | 2014-06-12 |
20140159628 | SWITCH ARRANGEMENT - A switch arrangement for an electric motor or generator having a plurality of coil windings that during operation of the electric motor or generator are electrically coupled to form a star point connection and that are arranged to have different voltage phases applied across the respective coil windings, the switch arrangement comprising a rectifier arranged to be coupled to the respective plurality of coil windings, wherein the rectifier is arranged to rectify an alternating current flowing in the respective coil windings and provide the rectified AC current to a DC output; and a switch coupled across the rectifier DC output, wherein the switch is operable to electrically isolate the plurality of coil windings. | 2014-06-12 |
20140159629 | MOTOR DRIVING CONTROL APPARATUS AND METHOD, AND MOTOR USING THE SAME - There are provided a motor driving control apparatus and method, and a motor using the same, the motor driving apparatus including a driving signal generating unit generating a driving control signal for controlling the driving of a motor apparatus, a speed detecting unit detecting a rotation speed of the motor apparatus, and a frequency determining unit controlling the driving signal generating unit to vary a frequency of the driving control signal according to the rotation speed. | 2014-06-12 |
20140159630 | CONVERTER FOR AN ELECTRICAL MACHINE AND METHOD FOR CONTROLLING A POWER CIRCUIT BREAKER - The present invention specifies a converter for an electrical machine. A power circuit breaker (T | 2014-06-12 |
20140159631 | MOTOR POSITION DETECTING UNIT AND BRUSHLESS DC MOTOR SYSTEM - Provided is a motor position detecting unit that includes a first computing element configured to output three-phase back-electromotive foreces (back-EMFs) based on a linear computation; a second computing element configured to output three-phase back-EMF based on a non-linear computation; and a computing controller configured to receive a control signal, three-phase voltage and current, and selecting any one of the first and second computing elements based on the received control signal, the received three-phase voltages and currents, wherein the control signal includes information on operation modes of an external motor. | 2014-06-12 |
20140159632 | MOTOR DRIVING MODULE AND BRUSHLESS DC MOTOR SYSTEM - A motor driving module is provided which includes a motor driving unit configured to control a PWM inverter on the basis of positional information and a control signal; a PWM inverter configured to output three-phase voltages on the basis of DC power according to control of the motor driving unit; a phase voltage estimating unit configured to output three-phase estimated voltages on the basis of the positional information, the DC power, and a voltage modulation index; and a position detecting unit configured to output the positional information on the basis of the three-phase estimated voltages, wherein the positional information is on an external motor that operates on the basis of the three-phase voltages. | 2014-06-12 |
20140159633 | MOTOR CONTROL APPARATUS AND METHOD - There are provided a motor control apparatus and method. The motor control apparatus includes: a signal generating unit generating a first signal; a sampling unit obtaining the numbers of pulses of the first signal included in a plurality of sampling sections having different start timings, respectively; and a calculating unit calculating a speed of a motor using the numbers of pulses of the first signal obtained with respect to the plurality of sampling sections. | 2014-06-12 |
20140159634 | FAN CONTROL DEVICE - A rotation number deciding unit decides a rotation number of a cooling fan based on the result of detection by an intake air temperature sensor. A determining unit determines whether the degree of increase of intake air temperature is equal to or more than a threshold based on the result of detection by the intake air temperature sensor. When the determining unit determines the degree of increase of intake air temperature is equal to or more than the threshold, the controlling unit determines whether there is a possibility of occurrence of condensation based on the result of detection by the intake air temperature sensor and the result of detection by an intake air humidity sensor. When determining there is a possibility of occurrence of condensation, the controlling means causes the cooling fan to rotate at a rotation number lower than the rotation number decided by the rotation number deciding unit. | 2014-06-12 |
20140159635 | Monitoring Motor Condition - In various implementations, a condition of a motor may be monitored based at least partially on time required to achieve a change in speed. A notification may be transmitted based on the condition of the motor. | 2014-06-12 |
20140159636 | SOLAR ENERGY HARVESTING SKYLIGHTS AND WINDOWS WITH INTEGRATED ILLUMINATION - This disclosure provides systems, methods and apparatus that can generate PV power and simultaneously provide artificial lighting. The devices disclosed herein include a first optical structure having a plurality of focusing elements that can collect and focus ambient light onto a first set of light redirecting elements that is optically coupled to at least photovoltaic (PV) cell. The devices also include at least one illumination source that is optically coupled to a first edge of a second optical structure including a second set of light redirecting elements that can direct light from the at least one illumination source out of the device to provide artificial lighting. The at least one photovoltaic cell is coupled to a second edge of the second optical structure. | 2014-06-12 |
20140159637 | PORTABLE ENERGY HARVESTING, STORING, AND CHARGING DEVICE - Embodiments of the present invention may provide a portable energy harvesting, energy storage and battery charging device. The portable device consistent with embodiments of the invention may be worn as, for example, a wrist application. The portable device may incorporate any one of, or a combination of, thermoelectric and solar energy harvesting technology as a source for charging, for example, at least one rechargeable battery. The energy may be stored for later use to, for example, recharge portable electronic devices on the go. In various embodiments, the portable device may be configured to provide a time, date and energy supply in a convenient display. Furthermore, the portable device may incorporate, into its design, integrated Universal Serial Bus (USB) connectors for convenient and direct charging of other portable electronic devices. The USB connector may also be configured to cause a charging of the battery of the portable device. | 2014-06-12 |
20140159638 | PORTABLE ENERGY HARVESTING, STORING, AND CHARGING DEVICE - Embodiments of the present invention may provide a portable energy harvesting, energy storage and battery charging device. The portable device consistent with embodiments of the invention may be worn as, for example, a wrist application. The portable device may incorporate any one of, or a combination of, thermoelectric and solar energy harvesting technology as a source for charging, for example, at least one rechargeable battery. The energy may be stored for later use to, for example, recharge portable electronic devices on the go. In various embodiments, the portable device may be configured to provide a time, date and energy supply in a convenient display. Furthermore, the portable device may incorporate, into its design, integrated Universal Serial Bus (USB) connectors for convenient and direct charging of other portable electronic devices. The USB connector may also be configured to cause a charging of the battery of the portable device. | 2014-06-12 |
20140159639 | PORTABLE BATTERY CHARGER - A portable battery charger comprises a power cord having a first end and a second end, with a power input connector interface on the first end of the cord for connection to a power source and a power output connector interface on the second end of the cord for connection to an electronic device needing recharging. A rechargeable battery internally disposed within the power cord is operably connected with the power input connector interface, the power output connector interface, and a power indicator means for indicating the power capacity in the internal battery unit. The battery charger can be combined with an adapter unit or interchangeable adapter pieces on the power input end to interface with various power sources. The battery charger can similarly be combined with an adapter unit or interchangeable adapter pieces on the power output end to interface with various charging connection ports used on electronic devices. | 2014-06-12 |
20140159640 | CHARGER FOR HAND-HELD POWER TOOL, POWER TOOL SYSTEM AND METHOD OF CHARGING A POWER TOOL BATTERY - A charger for a hand-held power tool includes a power source interface, a charger base and a charging cradle rotatably supported on the charger base. The rotatable charging cradle includes at least two charging output terminals electrically connected to the power source interface. A power tool system includes the charger and the hand-held power tool. A method of charging the power tool system includes contacting charging input terminals of the power tool with the charging output terminals, rotating the charging cradle and the power tool relative to the charging base and supplying charging current to at least one battery cell while the charging cradle and the power tool are allowed to freely swing relative to the charging base. | 2014-06-12 |
20140159641 | METHOD AND APPARATUS FOR CHARGING BATTERIES HAVING DIFFERENT VOLTAGE RANGES WITH A SINGLE CONVERSION CHARGER - Embodiments for a battery charger include a single conversion switched mode power supply having a bias winding on the primary side of the power transformer. The bias winding produces an output that is proportional to the voltage produced on the secondary winding, and is sensed by a programmable voltage sensing circuit. The programmable voltage sensing circuit is programmed by a voltage select signal from the secondary side of the charger to produce an sense signal that is proportional to the output of the bias winding by a selected factor corresponding to a battery type of a battery being charged. | 2014-06-12 |
20140159642 | BATTERY PACK IDENTIFICATION SCHEME FOR POWER TOOL SYSTEMS - A method is provided for identifying a battery pack that is operably coupled to a battery charger. The method comprises: measuring voltage at a plurality of designated terminals of a first battery pack while the battery pack is coupled to the battery charger; determining how many of the designated terminals are connected to a reference voltage, such as battery positive; and identifying an attribute of the battery pack based on how many of the designated terminals are connected to the reference voltage. | 2014-06-12 |
20140159643 | Systems and Methods for Controlling Battery Charging - Systems and methods for controlling battery charging are disclosed. According to one embodiment of the disclosure, a method can include receiving battery state information; determining, based on the battery state information, whether to adjust battery models; and, if so, adjusting the battery models. | 2014-06-12 |
20140159644 | Charger Circuit and Charging Control Method - The present invention discloses a charger circuit and a charging control method for charging a battery. When the battery voltage reaches a predetermined voltage, the charge storage quantity of the battery is measured to determine whether to charge the battery according to a constant current mode wherein the battery is charged by a constant current, or the battery voltage is a target to be regulated to a target voltage according to a constant voltage mode. | 2014-06-12 |
20140159645 | Emergency charging and fast charging for mobile electronic devices - A charging kit is provided for charging a mobile electronic device from a battery or other DC power source. The charging kit is housed within a portable case and includes multiple cables including an input cable for connecting to the battery or other DC power source and an output cable for connecting to the mobile electronic device. Power conversion circuitry is provided within the housing for converting DC power to a recharging signal for the mobile electronic device. | 2014-06-12 |
20140159646 | Dual Mode Wireless Power Receiver - A dual mode wireless power receiver (DMWPR) selectively applying a received power to a load device and utilizing at least a part of the power to power-up, communicate, and charge a secondary wireless power receiver (SWPR) is provided. The DMWPR includes a first circuitry having an impedance network, a switch network, a filter capacitor, and one or more switches, and a second circuitry having a security engine, a control logic circuit, and a modulator/demodulator circuit. The first circuitry receives power in charging mode and transmits power in communication mode. The second circuitry configures the first circuitry to allow receipt and transmission of power, receives and interprets data from SWPR in the identified wireless power protocol, and based on the type of SWPR authenticates, decrypts, and encrypts data transfer between DMWPR and SWPR, and receives and executes on a request from SWPR to perform a function associated with transmitted power. | 2014-06-12 |
20140159647 | RADIO COMMUNICATION APPARATUS, RADIO COMMUNICATION SYSTEM, AND RADIO COMMUNICATION CONTROL METHOD - Disclosed is a radio communication apparatus that avoids useless communication to another radio communication apparatus in non-line of sight when the apparatus performs radio communication with the other apparatus while receiving electric supply from the other apparatus. In this apparatus, a radio electric reception section determines whether the electric reception level from the other apparatus is equal to or greater than a first threshold. When the electric reception level is equal to or greater than the first threshold, a radio communication control section controls a radio communication section so that radio communication with the other apparatus starts. After the start of radio communication, the radio electric reception section determines whether the electric reception level is less than a second threshold. When the electric reception level is less than the second threshold, the radio communication control section controls the radio communication section so that the radio communication being performed stops. | 2014-06-12 |
20140159648 | Power Quality Enhancement - A power quality enhancement circuit is provided with multiple power paths. | 2014-06-12 |
20140159649 | 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. | 2014-06-12 |
20140159650 | MULTI-STAGE QUICK CHARGING SYSTEM - A multi-stage quick charging system is proposed. The system uses an intermediate power battery as voltage supporting point so that a converter having a fraction of the output voltage may control the entire power flow towards or from the battery of a vehicle or an electrical power device. The intermediate battery comprises several stages in series, associated with respective small chargers allowing a management of the charge balancing of the stages of the intermediate battery, since the chargers may be controlled in order to separately vary the contribution of each stage. | 2014-06-12 |
20140159651 | RESOLVING COMMUNCATIONS IN A WIRELESS POWER SYSTEM WITH CO-LOCATED TRANSMITTERS - In one aspect, a wireless charger may include a wireless power antenna, a wireless power transmitter coupled to the wireless power antenna and configured to generate a wireless charging field in a charging region, a first communication antenna, a first transceiver coupled to the communication antenna and configured to communicate with the chargeable device via the communication antenna, a first signal strength detector configured to determine a signal strength of a first signal received by the transceiver, and a controller configured to determine whether the chargeable device is within the charging region based at least in part on the signal strength of the first signal. | 2014-06-12 |
20140159652 | WIRELESS ENERGY TRANSFER CONVERTERS - Described herein are improved configurations for a wireless power converter that includes at least one receiving magnetic resonator configured to capture electrical energy received wirelessly through a first oscillating magnetic field characterized by a first plurality of parameters, and at least one transferring magnetic resonator configured to generate a second oscillating magnetic field characterized by a second plurality of parameters different from the first plurality of parameters, wherein the electrical energy from the at least one receiving magnetic resonator is used to energize the at least one transferring magnetic resonator to generate the second oscillating magnetic field. | 2014-06-12 |
20140159653 | SYSTEM AND METHOD FOR FACILITATING AVOIDANCE OF WIRELESS CHARGING CROSS CONNECTION - A system and method for charging a chargeable device is provided. The system can include a wireless charger including a wireless power antenna and a wireless power transmitter coupled to the wireless power antenna and configured to generate a wireless charging field in at least one charging region. The wireless charging field includes a plurality of power signals. The wireless charger further includes a communication antenna and a transceiver coupled to the communication antenna and configured to communicate with the chargeable device via the communication antenna. The wireless charger further includes a controller configured to facilitate avoidance of cross connection of the chargeable device with the wireless charger and at least one other wireless charger in which the chargeable device receives power from the wireless power transmitter of the wireless charger while communicating with at least one other wireless charger. The system can include a chargeable device including a controller configured to generate a load pulse configured to be received by the wireless charger. | 2014-06-12 |
20140159654 | METHOD AND APPARATUS FOR PROTECTING WIRELESS POWER RECEIVER FROM EXCESSIVE CHARGING TEMPERATURE - An apparatus and a method for protecting a wireless power receiver from excessive temperature caused by charging are provided. The wireless power receiver includes a power receiver for receiving wireless power in an Alternate Current (AC) form from a wireless power transmitter; a regulator for regulating the wireless power; a power management unit for controlling charging by providing the regulated wireless power to a battery; a temperature measurement unit for measuring a temperature of a point in the wireless power receiver during reception of the wireless power; and a controller configured to provide a control signal for the wireless power receiver to be charged with a regulated charging power if a temperature measured by the temperature measurement unit exceeds a preset temperature. | 2014-06-12 |
20140159655 | INTEGRATED CIRCUIT FOR WIRELESS CHARGING AND OPERATING METHOD THEREOF - An integrated circuit for wireless charging and a wireless charging method in an integrated circuit are provided. The integrated circuit includes a first wireless communication unit configured to support a first wireless communication method; a second wireless communication unit configured to support a second wireless communication method; a first route selection unit configured to perform a selection from among a first power input according to wired charging and a second power input according to wireless charging to be allowed as input; a second route selection unit configured to perform a selection from among a power between a third power input from a battery and a fourth power input according to wireless charging to be allowed as input; a power block configured to receive the power from any the first and second route selection units; and a controller configured to control an operation of the first and second route selection units. | 2014-06-12 |
20140159656 | DUAL-MODE WIRELESS POWER RECEIVER - A dual-mode receiver is provided that includes an electromagnetic resonator having one or more inductive elements that are arranged to form a receiver coil and a network of passive components arranged to form a matching network. | 2014-06-12 |
20140159657 | PORTABLE TERMINAL HAVING WIRELESS CHARGING MODULE - A portable terminal is provided, including a cover member which is detachably provided at a rear surface of a main body of a terminal, a resonant antenna for a reception unit provided inside of the cover member, a reception circuit unit provided inside of the main body, and a connection unit for connecting the resonant antenna for a reception unit with the reception circuit unit. The portable terminal efficiently receives the signal power provided from a charger by arranging the resonant antenna inside of the cover member, and minimizes the thickness of the portable terminal by providing the reception circuit unit inside of the main body of the terminal. | 2014-06-12 |
20140159658 | Random Restart Apparatus and Method for Electric Vehicle Service Equipment - An electric vehicle (EV) charger restart method includes determining a respective restart delay time (T | 2014-06-12 |
20140159659 | CHARGING APPARATUS AND VEHICLE - Disclosed is a charging apparatus whereby charging can be suitably performed even in the cases where a plurality of electric vehicles are connected to a charging station. The charging apparatus has: a charging cable ( | 2014-06-12 |
20140159660 | SMART PHONE CONTROL AND NOTIFICATION FOR AN ELECTRIC VEHICLE CHARGING STATION - A system and method for remote control of and notification by an electric vehicle supply equipment (EVSE). The system including a remote device, such as a smart phone, having a software configured to remotely control the EVSE and remotely retrieve and receive information from the EVSE. The smart phone may identify and connect to a communication network, automatically identify the EVSE, connect to the EVSE, and send the EVSE instructions for various functions of the EVSE, including charging, vehicle control, and reporting functions. The EVSE may execute the instructions received and return a confirmation to the remote device. The remote device may present the confirmation to a user. | 2014-06-12 |
20140159661 | SYSTEM WITH BATTERY CHARGING DEVICE AND VEHICLE ELECTRICAL SYSTEM POWER SUPPLY STAGE - The invention relates to a system ( | 2014-06-12 |
20140159662 | PORTABLE BATTERY PACK CHARGING SYSTEM, METHOD FOR RECHARGING A BATTERY PACK, AND ADAPTER THEREFOR - A method for recharging a battery pack includes attaching a portable charger to a user, which portable charger includes or is attached to a self-contained power supply and wherein a first charging port of the portable charger is disposed, e.g., on a belt worn by the user, hanging the battery pack on the belt while the battery pack is physically engaged and in electrical communication with a power tool, and initiating a transfer of power from the charger to the battery pack when the first charging port is at least proximal to a second charging port that is in electrical communication with at least one battery cell of the battery pack. A portable charging system capable of performing this method, as well as an adapter for use in performing this method, are also disclosed. | 2014-06-12 |
20140159663 | BATTERY CONTROL CIRCUIT - A battery module includes an anode terminal, a cathode terminal, and multiple capacitor cells. Multiple tap electrodes are each provided to a corresponding connection node that connects adjacent capacitor cells. An intermediate terminal is connected to one from among the multiple tap electrodes. A battery control circuit includes a cell balance circuit configured to stabilize each of the voltages at the multiple tap electrodes to a corresponding target voltage level. The voltage at the anode terminal is supplied to the power supply terminal of the cell balance circuit. | 2014-06-12 |
20140159664 | METHOD OF MANUFACTURING BATTERY PACK AND BATTERY PACK - A battery pack that has multiple battery units that differ in full charge capacity is charged and discharged to the maximum. A method of manufacturing the battery pack includes the following steps. First, battery cells that differ in full charge capacity are individually charged to be charged up to the full charge capacity (a charge step, S | 2014-06-12 |
20140159665 | Method for Balancing Out States of Charge of a Battery Having a Plurality of Battery Cells, and a Corresponding Battery Management System and Battery - The disclosure relates to a method for balancing out states of charge of a battery which has a number of N battery cells. In order to balance out the individual states of charge (SOCn) of the n=1 to N cells, the state of charge of at least one cell is changed to a target state of charge (SOCtarget,n) which depends on the discharge depth (DODk) of the cell having the lowest capacity (Capk) according to the equation SOCtarget,n=1−DODk/Capn, Capn being the capacity of the nth cell to be changed. Advantageously, the method is suitable for optimizing the voltage or the energy content of a battery that is constituted of a plurality of cells. | 2014-06-12 |
20140159666 | CHARGE CONTROL DEVICE, CELL SYSTEM, AND CHARGE CONTROL METHOD - Even when current values of a current that flows to a plurality of cell modules connected in parallel are different, efficient charging is performed. A charge control device that controls a charging current to be supplied to a plurality of cell modules connected in parallel compares a maximum current value, selected from current values detected by a current sensor provided in each of a plurality of the cell modules, with a reference current value predetermined as a maximum current value of the current to be supplied to secondary batteries, and controls the charging current to be supplied to a plurality of the cell modules based on a comparison result. | 2014-06-12 |
20140159667 | ENERGY CONVERSION APPARATUS - Disclosed is an energy conversion apparatus. An energy conversion apparatus may comprise a control part controlling a length of a first time duration in which input current is inputted and accumulated, a length of a second time duration in which the accumulated current is provided to a load, and a length of a third time duration in which inverse current flows; and a DC-to-DC converter including an inductor, a output capacitor, and at least one switching element, wherein the input current is accumulated during the first time duration by switching the at least one switching element according to a control of the control part so as to perform input impedance matching, and the DC-to-DC convert provides a current corresponding to a difference between the accumulated current provided during the second time duration and the inverse current flowing from the output capacitor during the third time duration to the load. | 2014-06-12 |
20140159668 | Composite Anode Structure for Aqueous Electrolyte Energy Storage and Device Containing Same - An anode electrode for an energy storage device includes both an ion intercalation material and a pseudocapacitive material. The ion intercalation material may be a NASICON material, such as NaTi | 2014-06-12 |
20140159669 | SYSTEM AND METHOD OF CHARGING A CHEMICAL STORAGE DEVICE - A system is provided to allow for charging of a chemical storage device without a rectifier. A gate is used in conjunction with a gate controller. The gate controller monitors input voltage and opens the gate when voltage crosses a zero crossing in a first direction. The gate monitor then closes the gate when the voltage crosses a zero crossing in a second direction. This increases the chances that the output power will have voltage in a single direction. This output power is then fed to a chemical storage device, where it can be stored and used by one or more electronic devices. | 2014-06-12 |
20140159670 | POWER CONTROL APPARATUS FOR VEHICLE BATTERY - A power control apparatus for a vehicle battery that includes a relay configured to interrupt or connect electric power supplied from the battery to a vehicle; current sensors configured to detect a battery discharging current supplied to a load of the vehicle through the relay, and a battery charging current introduced from an alternator of the vehicle. In addition, the apparatus includes a controller configured to output a control signal to execute an on/off drive of the relay based on detection values of the current sensors to control the electric power supplied from the battery to the vehicle. The relay, the current sensors, and the controller are mounted to the battery, and the current sensor includes a high current sensor having a substantially large current measurement range and a low current sensor having a substantially small current measurement range. | 2014-06-12 |
20140159671 | Battery Control Circuit for Reducing Power Consumption - A battery control circuit includes a voltage detection circuit for measuring voltages of electric cells, balancing circuits for balancing the voltages or SOCs of the electric cells, a signal input/output circuit for communicating with the outside, a power supply circuit having two modes: a normal mode and a low consumption mode, and a time management circuit. It receives a signal containing a period of time until the shift of the power supply circuit from the normal mode to the low consumption mode, and stores it in the time management circuit. If a command from the outside has not been sent for a predetermined period of time or when an operation stop command has been sent from the outside, the time management circuit causes the power supply circuit to continuously operate in the normal mode. Then, the battery control circuit monitors an operation continuation period in the normal mode, and causes the power supply circuit to shift to the low consumption mode when the operation continuation period matches the stored period of time. | 2014-06-12 |
20140159672 | TIME-BASED VEHICLE BATTERY BALANCING SYSTEM AND METHOD - A power system for a vehicle may include at least one controller and a battery having a plurality of cells. The at least one controller may, for each of the cells, determine a voltage of the cell, determine a discharge time to reduce the voltage to a value approximately equal to a minimum of the determined voltages, and cause the cell to discharge for the discharge time to balance the battery. | 2014-06-12 |
20140159673 | WIRELESS CHARGING APPARATUS AND METHOD - A wireless charging method includes receiving information on a required amount of power from a second wireless power receiver while supplying power to one or more first wireless power receivers; calculating required power for all wireless power receivers including the one or more first wireless power receivers and the second wireless power receiver; and when a maximum amount of providable power is not larger than the required amount of power for all wireless power receivers, transmitting insufficient power amount information to each of the wireless power receivers. | 2014-06-12 |