Circuit for monitoring batteries in a parallel configuration...

Details Circuit for monitoring batteries in a parallel configuration... Circuit for monitoring batteries in a parallel configuration...

2006-12-29

2009-08-11

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

C320S126000, C340S636100

Reexamination Certificate

active

07573239

ABSTRACT:
The invention includes a circuit to monitor batteries arranged in a parallel battery configuration for charge/discharge battery circuit operation. The circuit selectively tests for each battery's presence in a battery holder or receptacle without interrupting circuit discharging operation, e.g., physical removal, and communicates a fault condition if the battery is determined to be missing. The inventive circuit enables existing or legacy control circuitry operating with the circuit to detect individual missing batteries where the legacy control circuitry is constructed to detect only missing circuit charge paths states.

REFERENCES:
patent: 5621394 (1997-04-01), Garrick et al.
patent: 6992487 (2006-01-01), Steinke
patent: 2004/0001996 (2004-01-01), Sugimoto
patent: 2006/0075266 (2006-04-01), Popescu-Stanesti et al.

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