Battery swell triggered override system

Details Battery swell triggered override system Battery swell triggered override system

2008-03-06

2010-11-02

Fureman, Jared (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

C429S061000, C320S132000, C320S135000

Reexamination Certificate

active

07826189

ABSTRACT:
A battery dimensional change detection system and associated methods provide battery “swell” detection capabilities for an electronic device. In this way, excessive dimensional changes that are detected lead to shutting off the power supplied by the battery. According to one aspect, a battery dimensional change detection system broadly includes a testing circuit, a voltage detection device, and a shut-off switch. The testing circuit is formed by one or more electrically conductive members and extends across an exposed portion of the battery, such that the circuit possesses first and second terminal ends. The voltage detection devices engages the first and second terminal ends to measure the voltage across the testing circuit. Selectively responsive to the particular voltage measurement value, the shut-off switch may prevent further battery discharge in the electronic device, thereby acting to inhibit further battery dimensional change.

REFERENCES:
patent: 6531847 (2003-03-01), Tsukamoto et al.
patent: 2006/118386 (2006-11-01), None

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