Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – Switchable to parallel connection
Patent
1998-10-19
2000-12-12
Tso, Edward H.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
Switchable to parallel connection
320149, 320160, H02J 700, H02J 714
Patent
active
061603775
ABSTRACT:
A battery charging device which charges a plurality of batteries includes a charging part which supplies a charging current, and a control part which controls the charging part so that the batteries are serially charged one by one and a supplemental charge to the batteries is then performed in parallel. The control part calculates a charged capacity for a first one of the batteries and thus determines a timing in which serial charge is switched to a second one of the batteries on the basis of the charged capacity.
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patent: 2506340 (1950-05-01), Buckley
patent: 4246529 (1981-01-01), Jurgens et al.
patent: 5729117 (1998-03-01), Fukuda
patent: 5808444 (1998-09-01), Saeki et al.
Translation of revelant portions of Japanese laid-open application no. 58-144542.
Translation of Japanese laid-open application no. 61-154432.
Partial translation of japanese laid-open application no. 2-19912.
Japanese patent application laid-open 4-251,528
Japanese patent application laid-open 6-303729
Smart Battery Systems Specifications-Smart Battery Data Specification, Revision 1.0 (Feb. 15, 1995).
Fujitsu Limited
Toatley , Jr. Gregory J.
Tso Edward H.
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