Method and system for selectivly diverting current during...

Electricity: battery or capacitor charging or discharging – Diverse charging or discharging rates for plural batteries

Reexamination Certificate

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Reexamination Certificate

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07135837

ABSTRACT:
The invention concerns a method (300) for charging a set of batteries. The method includes the steps of charging (314) a first battery (116) with a charging current from a power supply (138), monitoring (316) a parameter of the first battery during the charging step and selectively diverting (318) at least a portion of the charging current used to charge the first battery to charge a second battery (118). The first and second batteries are charged simultaneously after the parameter of the first battery reaches a predetermined threshold. As an example, the parameter can be a battery voltage or a battery temperature rate.

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patent: 5218286 (1993-06-01), Van Dunk
patent: 5479083 (1995-12-01), Brainard
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patent: 5689171 (1997-11-01), Ludewig
patent: 5764030 (1998-06-01), Gaza
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patent: 6157173 (2000-12-01), Baranowski et al.
SBS Implementers Forum—Smart Battery Data Accuracy Testing Guideline—Revision 1.0, Release Candidate A, Benchmarq Microelectronics Inc. et al., Dec. 11, 1998.

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