Class / Patent application number | Description | Number of patent applications / Date published |
320125000 | DIVERSE CHARGING OR DISCHARGING RATES FOR PLURAL BATTERIES | 13 |
20080303482 | Multi charging current control circuit and method thereof - A multi charging current control circuit including a voltage reference unit, a current limiting unit, a current detector and a current control unit is provided. The voltage reference unit provides many reference voltages. The current limiting unit selects a corresponding reference voltage from the reference voltages according to a charge mode signal and outputs a control signal according to the corresponding reference voltage. The current detector detects a first and a second charging current. The current control unit controls the first charging current and the second charging current according to the control signal. The current detector feedbacks the first charging current and the second charging current detected to the current control unit, such that the current control unit adjusts the first charging current or the second charging current to make the sum of the first charging current and the second charging current less than or equal to a constant value. | 12-11-2008 |
20090072789 | Multiple Function Current-Sharing Charging System and Method - Multiple function current-sharing charging systems and methods are provided. Where first and second rechargeable power supplies are connected to a charging system, a first charging current is provided to the first rechargeable power supply and a second charging current is provided to the second rechargeable power supply. Upon detection of a predetermined charge level of one of the rechargeable power supplies, a third charging current is provided to the first rechargeable power supply and a fourth charging current is provided to the second rechargeable power supply. | 03-19-2009 |
20100019726 | METHOD AND SYSTEM FOR CONTROL OF A VEHICLE ENERGY STORAGE DEVICE - Systems and methods are described for controlling a power transfer rate in to and/or out of an energy storage device on-board a vehicle, such as a locomotive, during a power transfer opportunity. In one example, the method includes adjusting the power transfer rate based on a predetermination of a duration of the power transfer opportunity to match a duration of power transfer to the duration of the opportunity and achieve a specified state of charge. | 01-28-2010 |
20100201319 | Multiple Function Current-Sharing Charging System and Method - Multiple function current-sharing charging systems and methods are provided. Where first and second rechargeable power supplies are connected to a charging system, a first charging current is provided to the first rechargeable power supply and a second charging current is provided to the second rechargeable power supply. Upon detection of a predetermined charge level of one of the rechargeable power supplies, a third charging current is provided to the first rechargeable power supply and a fourth charging current is provided to the second rechargeable power supply. | 08-12-2010 |
20110006735 | Portable Computer System and Related Power Supply Device and Charging Method - A portable computer system includes a host, a power storage device and a dock. The power storage device is installed in the host, for sensing current from a first power socket to a first power terminal to generate a first sensing result, and charging a first rechargeable battery according to a first control signal. The dock is capable of connecting to the host by means of insertion, for sensing current from a second power socket to a second power terminal to generate a second sensing result, and charging a second rechargeable battery according to a second control signal. The dock includes a control device for outputting the first control signal and the second control signal according to the first sensing result and the second sensing result, to control charging operations on the first rechargeable battery and the second rechargeable battery. | 01-13-2011 |
20110043167 | Multiple Function Current-Sharing Charging System and Method - Multiple function current-sharing charging systems and methods are provided. Where first and second rechargeable power supplies are connected to a charging system, a first charging current is provided to the first rechargeable power supply and a second charging current is provided to the second rechargeable power supply. Upon detection of a predetermined charge level of one of the rechargeable power supplies, a third charging current is provided to the first rechargeable power supply and a fourth charging current is provided to the second rechargeable power supply. | 02-24-2011 |
20120001596 | METHOD AND SYSTEM FOR CHARGING MULTI-CELL LITHIUM-BASED BATTERIES - A method and system for charging multi-cell lithium-based batteries. In some aspects, a battery charger includes a housing, at least one terminal to electrically connect to a battery pack supported by the housing, and a controller operable to provide a charging current to the battery pack through the at least one terminal. The battery pack includes a plurality of lithium-based battery cells, with each battery cell of the plurality of battery cells having an individual state of charge. The controller is operable to control the charging current being supplied to the battery pack at least in part based on the individual state of charge of at least one battery cell. | 01-05-2012 |
20130234668 | UNIVERSAL SERIAL BUS APPARATUS AND POWER SUPPLY METHOD THEREOF - A power supply method for an universal serial bus apparatus is provided. The USB apparatus includes an upstream port module and a plurality of downstream port modules. The power supply method comprises the following steps: setting a maximum charging port number for the downstream port modules according to the connection configuration between the upstream port module and a host, and the condition of power supply from an external power supply; detecting the coupling condition of the electronic apparatuses to the downstream port modules so as to customize a specific charging specification for one of the electronic apparatuses; respectively providing a plurality of power to the electronic apparatuses according to the specific charging specification and the maximum charging port number. Thus, the electronic apparatuses enable to be charged with maximum charging currents and operate normally under the USB specification without being affected. | 09-12-2013 |
20130285610 | POWER CONTROL APPARATUS, METHOD, PROGRAM, AND INTEGRATED CIRCUIT, AND STORAGE BATTERY UNIT - A control apparatus includes: a target value obtaining unit obtaining a total target value of power to be discharged from storage batteries; an SOH obtaining unit obtain information on a state of health for each of the storage batteries; a charge control unit determining how the power of the total target value is divided among and discharged from each of the storage battery. The charge control unit (i) compares the state of health of a first storage battery and the state of health of a second storage battery, and, in the case where the state of health of the second storage battery is higher than the state of health of the first storage battery, (ii) discharges from the second storage battery second power lower than first power which is discharged from the first storage battery. | 10-31-2013 |
20140312845 | REFUELABLE BATTERY POWERED ELECTRIC VEHICLE - The electrical vehicle energy storage system permits the electric refueling of the electric vehicle just like an automobile would be refueled with gasoline at a gas station. Circuitry on board the vehicle accessible by the electric refueling station enables the determination of the energy content of the battery module or modules returned to the electric refueling station and the owner of the vehicle is given credit for the energy remaining in the battery module or modules which have been exchanged. Selective refueling may take place for given battery modules by removing them from the battery system and charging them at home, office or factory. A process for operating an electric vehicle is also disclosed and claimed. | 10-23-2014 |
20150035491 | ELECTROCHEMICAL ENERGY GENERATION SYSTEM HAVING INDIVIDUALLY CONTROLLABLE CELLS - Described embodiments include a system and a method. A system includes at least two individually controllable electrochemical cells configured to output electric power. Each individually controllable cell includes an electrolyte, and a first working electrode configured to transfer electrons to or from the electrolyte. Each individually controllable cell includes a second working electrode configured to transfer electrons to or from the electrolyte. Each individually controllable cell includes a gating electrode spaced-apart from the second working electrode and configured if biased relative to the second working electrode to modify an electric charge, field, or potential in the space between the electrolyte and the second working electrode. The system includes a control circuit coupled to apply a respective biasing signal to each gating electrode of each controllable cell of the at least two controllable cells. | 02-05-2015 |
20150137765 | MODERATING A CHARGING - Systems, methods, and computer-readable and executable instructions are provided for moderating a charging for a number of power resources. Moderating a charging for a number of power resources can include calculating a distinct charging window for each of the number of power resources. Moderating a charging for a number of power resources can also include selecting a first power resource from the number of power resources based on a current time and the distinct charging window for the first power resource. Furthermore, moderating a charging for a number of power resources can include charging the first power resource within the distinct charging window before charging a second power resource. | 05-21-2015 |
20150372513 | MULTIPLE BATTERY CHARGER AND METHOD FOR CONTROLLING THE SAME - A multiple battery charger is provided. The multiple battery charger includes an input unit configured to receive or block power from a power supply unit, an output unit including a plurality of output terminals, wherein the plurality of output terminals are commonly connected to the input unit and charge a plurality of batteries, and wherein each of the plurality of output terminals includes at least one of a plurality of second switches for a selective receipt of the power from the input unit and the plurality of output terminals are controlled in a time division multiple control manner, and a switching control unit configured to transmit a pulse width modulation signal to the input unit and the output unit so as to independently control the power applied to the plurality of batteries. Accordingly, a plurality of different kinds of batteries and the same kind of batteries in which charge states are different can be simultaneously charged. | 12-24-2015 |