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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:
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Patent Number Title Of Patent Date Issued
6104163 Battery charging system and information processing apparatus with reduced power consumption at charges Aug. 15, 2000
6100663 Inductively powered battery charger Aug. 8, 2000
6097174 Individually adjustable type automatic charging circuit for multiple batteries Aug. 1, 2000
6094031 Battery condition-detecting apparatus and battery condition-detecting unit using an optical signal Jul. 25, 2000
6078165 Multiplexed modular battery management system for large battery packs Jun. 20, 2000
6057670 Smart connector for rechargeable battery May. 2, 2000
6043628 Management process for electrical energy storage battery systemsand control arrangement for application of the process Mar. 28, 2000
6043629 Modular control electronics for batteries Mar. 28, 2000
6031356 Battery charging and discharging control circuit which charges an expansion battery only if there is a full charge on an internal battery Feb. 29, 2000
6023148 Power management system with redundant, independently replacement battery chargers Feb. 8, 2000
6008623 Charge equalizer or series of connected battery strings Dec. 28, 1999
5982143 Battery equalization circuit with ramp converter and selective outputs Nov. 9, 1999
5963014 Serially connected charger Oct. 5, 1999
5955868 Battery charging apparatus having battery attachment sections for charging batteries at different rates or timing Sep. 21, 1999
5945804 Method and device for controlling the voltage across individual cells in a battery Aug. 31, 1999
5939861 Control system for on-vehicle battery Aug. 17, 1999
5917308 System and method for controlling excessive charging-current in a battery power system Jun. 29, 1999
5910723 System for monitoring the charging of a modular set of electrochemical cells connected in series and a corresponding cell measurement module Jun. 8, 1999
5905361 Charging-and-discharging device, constant-voltage and constant-current control circuit, and electronic device May. 18, 1999
5900715 Portable unit recharging rack May. 4, 1999
5850136 Battery charger Dec. 15, 1998
5847542 Circuit for preventing overdischarge of rechargeable battery pack consisting of a plurality of rechargeable batteries Dec. 8, 1998
5825155 Battery set structure and charge/ discharge control apparatus for lithium-ion battery Oct. 20, 1998
5818201 Circuit and method for battery charge control Oct. 6, 1998
5814970 Apparatus for charge exchange among a plurality of series connected energy accumulators or energy converters Sep. 29, 1998
5773962 Battery energy monitoring circuits Jun. 30, 1998
5767660 Method and apparatus for charging and/or charge exchange between a plurality of series connected energy storage devices Jun. 16, 1998
5747968 Lithium polymer battery charger apparatus May. 5, 1998
5726671 Helmet/head mounted projector system Mar. 10, 1998
5726551 Battery charging device having time shared charging cycle Mar. 10, 1998
5703464 Radio frequency energy management system Dec. 30, 1997
5701068 Battery management system Dec. 23, 1997
5698967 Battery management system Dec. 16, 1997
RE35643 Lead acid battery rejuvenator and charger Oct. 28, 1997
5659237 Battery charging using a transformer with a single primary winding and plural secondary windings Aug. 19, 1997
5648713 Modular regulator circuit, for a modular electrical storage cell battery, having a number of modules dependent on the number of modules of the battery Jul. 15, 1997
5646504 Magnetically balanced multi-output battery charging system Jul. 8, 1997
5644208 Battery comprising a plurality of cells, in particular lithium-ion cells, connected in series Jul. 1, 1997
5631534 Bidirectional current pump for battery charge balancing May. 20, 1997
5629601 Compound battery charging system May. 13, 1997
5617004 Battery charging apparatus for series battery Apr. 1, 1997
5557189 Method and apparatus including a current detector and a power source control circuit for charging a number of batteries Sep. 17, 1996
5523668 NiCd/NiMH battery charger Jun. 4, 1996
5498950 Battery monitoring, charging and balancing apparatus Mar. 12, 1996
5493196 Battery charger for charging alkaline zinc/manganese dioxide cells Feb. 20, 1996
5412305 Apparatus with discrete circuits for charging electrical accumulator with multiple group of cells May. 2, 1995
5311112 Automatic battery charging system May. 10, 1994
5291116 Apparatus for charging alkaline zinc-manganese dioxide cells Mar. 1, 1994
5254930 Fault detector for a plurality of batteries in battery backup systems Oct. 19, 1993
5245267 Indicating means in a double voltage motor vehicle electrical circuit Sep. 14, 1993

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