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| Number | Title | Issue Date |
| 8179102 | Devices, systems, and methods for priority charging of a group of electronic devices Disclosed are a device, system and method for multiple mobile communication devices that may be charged according to their relative priority and/or for multiple mobile communication devices that may be charged to a minimum level. The devices may be connected in any ... | 05/15/2012 |
| 8154257 | 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 batte... | 04/10/2012 |
| 8148952 | Control strategy for HV battery equalization charge during driving operation in fuel cell hybrid vehicles A system and method for equalizing the state of charge of the cells of a battery in an electric vehicle while the vehicle is being driven. The method includes monitoring the state of charge of the battery cells in the battery and measuring the actual current of the ... | 04/03/2012 |
| 8102156 | Differential amplifier circuit and electric charge control apparatus using differential amplifier circuit A differential amplifier circuit comprises a first input transistor including a control electrode serving as a non-inversion input terminal and a second input transistor including a control electrode serving as an inversion input terminal. These first and second inp... | 01/24/2012 |
| 8098052 | Battery charger A batter charger for charging a secondary batter using a power supply circuit which converts an AC input into a DC output, includes a first resistor for detecting constant-current control and a second resistor for detecting end of charging. The first resister and th... | 01/17/2012 |
| 8054047 | Battery pack charging system and method A battery pack charging system comprises a charger configured to be removably coupled to at least two different battery packs each having a different regulation charge voltage associated therewith, and a charger controller configured to cause the charger to charge t... | 11/08/2011 |
| 8054048 | Power grid load management for plug-in vehicles Methods and systems are provided for controlling the charging of an onboard energy storage system of a plug-in vehicle using a remote command center, such as a vehicle telematics service. An embodiment of such a method involves the transmission of a charge request f... | 11/08/2011 |
| 8044640 | 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 c... | 10/25/2011 |
| 8018205 | Multi battery pack system, control method thereof, and battery pack using the same A multi battery pack system is composed of a plurality of battery packs. The master battery pack receives a total voltage from each slave battery pack and calculates a target total voltage using its total voltage and total voltages of all slave battery pack whenever... | 09/13/2011 |
| 8013577 | Charging system, charging apparatus and battery pack A charging system includes a secondary battery which includes a heat-resistant member between a negative electrode and a positive electrode thereof, a charging-voltage supply section which conducts a constant-voltage charge of the secondary battery, a charge control... | 09/06/2011 |
| 7999517 | 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 pow... | 08/16/2011 |
| 7948214 | 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 electri... | 05/24/2011 |
| 7944182 | Adjustable battery charger for UPS An uninterruptible power supply (UPS) having an adjustable battery charger that generates a charger current, and a controller, coupled to the adjustable battery charger, that receives a signal representative of a system constraint and provides a reference, based on ... | 05/17/2011 |
| 7880444 | Process for balanced charging of a lithium ion or lithium polymer battery The invention relates to a method for the balanced charging of n cells which form a lithium-ion or lithium-polymer battery and which are connected in series. The invention is characterised in that the method consists in monitoring the charge levels of the different ... | 02/01/2011 |
| 7834594 | 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 recharge... | 11/16/2010 |
| 7834595 | Multi battery pack system, control method thereof, and battery pack using the same A multi battery pack system is composed of a plurality of battery packs. The master battery pack receives a total voltage from each slave battery pack and calculates a target total voltage using its total voltage and total voltages of all slave battery pack whenever... | 11/16/2010 |
| 7816892 | Battery charger for preventing charging currents from overshooting during mode transition and method thereof A battery charger for charging a battery through controlling a charging regulation circuit is provided. The battery charger includes a constant voltage mode controller, a current sensing unit, and a reference voltage generator. The constant voltage mode controller i... | 10/19/2010 |
| 7786706 | Method for charging rechargeable battery A method for charging a rechargeable battery by using a charge power supply that charges the rechargeable battery at constant voltage is provided. A pulse charge operation is performed at a charge process start. The charge process is stopped when current in the puls... | 08/31/2010 |
| 7759904 | Multi battery pack system, control method thereof, and battery pack using the same A multi battery pack system is composed of a plurality of battery packs. The master battery pack receives a total voltage from each slave battery pack and calculates a target total voltage using its total voltage and total voltages of all slave battery pack whenever... | 07/20/2010 |
| 7746036 | 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 con... | 06/29/2010 |
| 7701177 | Battery pre-charging circuit comprising normal voltage and low voltage pre-charging circuits A battery pre-charging circuit includes a pre-charging path, a pre-charging switch and a low-voltage pre-charging circuit. The pre-charging path is coupled between a charger and a battery for providing a pre-charging current from the charger to the battery. The pre-... | 04/20/2010 |
| 7675270 | System and method for reliable information handling system and battery communication Communication between an information handling system and battery has improved reliability by repeated communications of information from the battery using different commands from the information handling system. A battery management unit responds to a first command ... | 03/09/2010 |
| 7656131 | Methods of charging battery packs for cordless power tool systems In a method of charging a battery pack, the pack is inserted in a charger and an initial set of checks of cell voltage and pack temperature is performed. Once the initial set of checks is satisfied, the cells may be charged at a first constant current level. The fir... | 02/02/2010 |
| 7642753 | Apparatus and switching method for improving cycle-life and capacity of a battery pack A charging system (108) supplies a source voltage (Vco, FIG. 5) and a source current (Ico, FIG. 5) to a plurality of battery cells (110). The charging system operates according to a method (200) including the steps of determining (... | 01/05/2010 |
| 7633269 | Charging method and system thereof A charging method for charging a battery module. The battery module receives a different charge voltage according to the voltage or current status of the battery module. The charge voltage is decreased to increase battery power when any battery voltage level is grea... | 12/15/2009 |
| 7633270 | Charger A charger for charging a second battery is provided. The charger includes a charging circuit, a charging interface, the charger further comprise an audio interface, a switch and a sound output device. The switch used for connecting an audio interface to a charging c... | 12/15/2009 |
| 7612539 | Battery charger circuits using constant current/constant voltage mode using maintenance offset currents and methods of operating the same Battery charging circuits can change from charging a battery in a constant current mode using an amplifier circuit output to control a voltage controlled current source to provide substantially constant current to the battery to charging the battery in a constant vo... | 11/03/2009 |
| 7612540 | Lithium-ion battery diagnostic and prognostic techniques Embodiments provide a method and a system for determining cell imbalance condition of a multi-cell battery including a plurality of cell strings. To determine a cell imbalance condition, a charge current is applied to the battery and is monitored during charging. Th... | 11/03/2009 |
| 7570026 | Protection circuit with minimized voltage reference unevenness between charger and battery pack A protection circuit comprising: a second circuit to be connected to a first circuit, the first circuit including: a first reference voltage generating circuit configured to generate a first reference voltage; a first comparing voltage generating circuit configured ... | 08/04/2009 |
| 7567062 | Charging circuit A charging circuit for charging a rechargeable battery (70) includes a charge management unit (40), a comparator (80) and a changeover switch (60). The changeover switch (60) includes a default state of connecting the rechargeable ... | 07/28/2009 |
| 7521898 | Charger, DC/DC converter including that charger, and control circuit thereof A new charger wherein a reference voltage can be set therein. The charger charges a secondary battery via a DC/DC converter that has an arrangement in which a fuel cell, a solar cell or the like having a relatively large output impedance during power supply is used ... | 04/21/2009 |
| 7449865 | Battery charger for preventing both overshoot charging currents and overcharged battery voltage during mode transitions and method thereof The present invention provides a battery charger and a method for preventing both an overshoot charging current and an overcharged battery voltage during a mode transition. The battery charger includes a charging regulation circuit having an input terminal, an outpu... | 11/11/2008 |
| 7436152 | Method and system for charge current control A charge current control system is disclosed. One embodiment of the present invention includes a voltage detecting component that determines whether voltage stored by a load is at a voltage threshold. Also included are current supplying components that supply a char... | 10/14/2008 |
| 7405539 | Battery charger for preventing charging currents from overshooting during mode transition and method thereof The present invention provides a battery charger and a method for preventing an overshoot charging current during a mode transition. The battery charger includes a charging regulation circuit for outputting a charging current whose amount is regulated based on a reg... | 07/29/2008 |
| 7391183 | System for controlling charging of secondary battery To provide a system for controlling the charging of a secondary battery (battery), which is capable of keeping an initial charging/discharging characteristic of the battery in consideration of a change in environmental temperature and deterioration of the battery wi... | 06/24/2008 |
| 7375497 | State of charge tracking system for battery systems A battery control module for a battery system comprises a voltage measuring module that measures battery and a current measuring module that measures battery current. A state of charge (SOC) module communicates with the current and voltage measuring modules and esti... | 05/20/2008 |
| 7372685 | Multi-fault protected high side switch with current sense An integrated high side switch with multi-fault protection. When a fault condition is detected, the switch is turned off. The switch includes a pair of transistors that are connected such that the source of the first transistor is connected with the source of the se... | 05/13/2008 |
| 7365520 | Vehicle-generator output voltage control apparatus The vehicle-generator output voltage control apparatus includes a voltage control circuit regulating an output voltage of a vehicle generator by controlling a field current flowing into a field winding of the vehicle generator by controlling a conduction state of a ... | 04/29/2008 |
| 7363518 | Information handling system with power fault protection circuit An information handling system (IHS) employs a power fault protection circuit to protect the IHS from overvoltages which may occur on an information line from a power adapter to the IHS. The system includes a processor coupled to the protection circuit. The circuit ... | 04/22/2008 |
| 7362322 | Pixel circuit, display apparatus and electronic apparatus equipped with current driving type light-emitting device A display apparatus is provided with a current driving type light-emitting device and a driving device for controlling a driving current flowing through the light-emitting device for each pixel of the display apparatus. The display apparatus consists of power source... | 04/22/2008 |
