Apparatus for improving protection of a battery pack in a...

Details Apparatus for improving protection of a battery pack in a... Apparatus for improving protection of a battery pack in a...

2005-10-18

2005-10-18

Tso, Edward H. (Department: 2838)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

Reexamination Certificate

active

06956356

ABSTRACT:
An apparatus for improving protection of a battery pack when the battery pack is in a very low power state, the battery pack including a plurality of battery cells coupled to present an output voltage at a battery potential locus and a protection device for providing a plurality of safeguards to protect the battery pack, affects operation of the protection device to control at least one safeguard and includes a current sensing unit coupled with the plurality of battery cells and with the protection device. The current sensing unit senses a battery traversing current associated with at least one battery cell. The current sensing unit generates an alerting signal when the battery traversing current exceeds a predetermined value. The protection device enables the at least one safeguard in response to the alerting signal.

REFERENCES:
patent: 4716354 (1987-12-01), Hacker
patent: 5254930 (1993-10-01), Daly

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