Chemistry: electrical current producing apparatus – product – and – Having diverse cells or diverse removable cells in a support...
Reexamination Certificate
2004-11-24
2009-02-24
Kalafut, Stephen J. (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Having diverse cells or diverse removable cells in a support...
C429S050000, C429S051000, C320S135000
Reexamination Certificate
active
07494729
ABSTRACT:
In an electrical instrument to which a plurality of battery blocks and/or a plurality of batteries are detachably connectable, to prevent a phenomenon that only specific battery and battery block are deteriorated. A hybrid battery connectable to a body of an electrical instrument consuming electrical power includes: a cell block which includes one or more battery cells, and supplies electrical power to the body of the electrical instrument by discharging after being charged; and a cell block which includes one or more battery cells, supplies electrical power to the body of the electrical instrument by discharging after being charged, and becomes active selectively with the former cell block. In the hybrid battery, a CPU selects a cell block becoming active based on the number of charge/discharge cycles of the former cell block and the number of charge/discharge cycles of the latter cell block.
REFERENCES:
patent: 6377027 (2002-04-01), Takemoto
patent: 6424123 (2002-07-01), Odaohhara et al.
patent: 6838858 (2005-01-01), Berneis et al.
patent: 2003/0054229 (2003-03-01), Odaohhara et al.
International Business Machines - Corporation
Kalafut Stephen J.
Piche Jason O.
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