Power supply device

Electricity: battery or capacitor charging or discharging – Battery or cell discharging – With charging

Reexamination Certificate

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Details

C320S116000, C320S132000, C320S152000, C320S162000

Reexamination Certificate

active

07741814

ABSTRACT:
A power supply device includes battery equipment and voltage detecting circuitry. The battery equipment includes positive-side and negative-side battery blocks that are connected to each other at a reference midpoint. The voltage detecting circuitry detects the respective voltage values of serially-connected battery modules of the battery equipment. The voltage detecting circuitry includes positive-side and negative side voltage management ICs with respect to the reference midpoint. The positive-side and negative side voltage management ICs manage the voltage conditions of the battery modules in the positive-side and negative-side battery blocks, respectively. Positive-side and negative-side voltage power lines of each of the positive-side and negative side voltage management ICs are connected to positive-side and negative-side output terminals of the battery equipment so that all the battery modules supply electric power to each of the voltage management ICs. The voltage management ICs have a common ground line.

REFERENCES:
patent: 7068012 (2006-06-01), Geren et al.
patent: 2005/0073282 (2005-04-01), Carrier et al.
patent: 2003-282159 (2003-10-01), None

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