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Class Information
Number: 320/119
Name: Electricity: battery or capacitor charging or discharging > Serially connected batteries or cells > With individual charging of plural batteries or cells
Description: Subject matter wherein each one of plural serially-connected batteries or cells is separately charged by use of multiple charging circuits.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
7638974 Method and device for managing batteries of a battery system Dec. 29, 2009
7633269 Charging method and system thereof Dec. 15, 2009
7615966 Method and apparatus for managing energy in plural energy storage units Nov. 10, 2009
7612530 Bridge battery voltage equalizer Nov. 3, 2009
7609034 Battery pack, method of manufacturing battery pack, and method of controlling battery pack Oct. 27, 2009
7602145 Method of balancing batteries Oct. 13, 2009
7589498 Battery discharge current sharing in a tightly regulated power system Sep. 15, 2009
7583057 Voltage balance circuit, voltage detecting circuit, voltage balancing method, and voltage detecting method Sep. 1, 2009
7564217 Battery pack manager and method of detecting a line cut Jul. 21, 2009
7557586 Electronic battery tester Jul. 7, 2009
7554291 Battery control system for a chargeable-and-dischargeable power supply system Jun. 30, 2009
7554292 Battery charger for simultaneously charging a plurality of batteries Jun. 30, 2009
7545117 Two stage energy storage device Jun. 9, 2009
7535200 Hybrid battery module and its manufacturing, charging and discharging method May. 19, 2009
7508165 Cell voltage equalization apparatus for combined battery pack including circuit driven by power supplied by the combined battery pack Mar. 24, 2009
7508166 Charge condition adjusting apparatus Mar. 24, 2009
7501720 Selector circuit for power management in multiple battery systems Mar. 10, 2009
7489106 Battery optimization system and method of use Feb. 10, 2009
7471064 Circuit system for a battery electronic control unit Dec. 30, 2008
7471066 Battery management and equalization system for batteries using power line carrier communications Dec. 30, 2008
7463009 Hybrid battery module with a voltage balancing unit and its charging and discharging method Dec. 9, 2008
7456610 Battery charging apparatus for charging a plurality of batteries Nov. 25, 2008
7417408 Method and arrangement for charging capacitors of direct-voltage intermediate circuit of frequency converter Aug. 26, 2008
7403016 Car power source apparatus Jul. 22, 2008
7400114 Voltage equalizer for battery elements Jul. 15, 2008
7394222 Power supply apparatus with function for correcting for erroneous detection Jul. 1, 2008
7388351 Capacity equalizing apparatus for secondary batteries Jun. 17, 2008
7378818 Bidirectional power converter for balancing state of charge among series connected electrical energy storage units May. 27, 2008
7358704 Critical state estimation system and method for secondary cells Apr. 15, 2008
7345455 Staggered backup battery charging system Mar. 18, 2008
7307402 Method of charging alkali metal polymer batteries Dec. 11, 2007
7298114 Nickel hydrogen/nickel cadmium battery charger with the function of emergency power supply Nov. 20, 2007
7288919 Voltage balance circuit, voltage detective circuit, voltage balancing method, and voltage detecting method Oct. 30, 2007
7279867 Method for balancing cells or groups of cells in a battery pack Oct. 9, 2007
7274170 Battery pack control module Sep. 25, 2007
7271505 Voltage balancing in intermediate circuit capacitors Sep. 18, 2007
7253584 Isolated high voltage battery charger and integrated battery pack Aug. 7, 2007
7199556 Method for extending power duration for lithium ion batteries Apr. 3, 2007
7193393 Approach for charging multiple batteries Mar. 20, 2007
7193390 Apparatus for connecting secondary battery cells in series and method for controlling secondary battery cells connected in series Mar. 20, 2007
7178614 Traveling apparatus and method for controlling thereof Feb. 20, 2007
7157881 Safety device for managing batteries Jan. 2, 2007
7151358 Multi-battery automatic charging circuit with individual regulator Dec. 19, 2006
7109682 Contactless power transmitting device Sep. 19, 2006
7068011 Series charger with separate detection of batteries (battery set) Jun. 27, 2006
7061207 Cell equalizing circuit Jun. 13, 2006
6981034 Decentralized management architecture for a modular communication system Dec. 27, 2005
6915220 Integrated, self-powered battery monitoring device and system Jul. 5, 2005
6894457 Universal multiple device power adapter and carry case May. 17, 2005
6882129 Battery pack for a battery-powered vehicle Apr. 19, 2005

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