Electrical disconnection and automatic re-engagement of battery

Details Electrical disconnection and automatic re-engagement of battery Electrical disconnection and automatic re-engagement of battery

1997-10-28

1998-11-03

Tso, Edward

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

For battery pack

320132, H01M 1046

Patent

active

058314156

ABSTRACT:
A battery pack includes battery storage. The battery storage has a positive terminal and a negative terminal. A power connector is connected to the positive terminal of the battery storage. A ground connector is to the negative terminal of the battery storage. The battery pack also includes an additional connector. Battery monitoring circuitry is used to monitor the battery storage. The battery monitoring circuitry has a power input. Disconnect circuitry is connected to the positive terminal of the battery storage, to the ground connector, to the additional connector and to the power input of the battery monitoring circuit. The disconnect circuitry, in response to a first voltage pattern on the additional connector, electrically connects the power input of the battery monitoring circuitry to the positive terminal of the battery storage. In response to a second voltage pattern on the additional connector, the disconnect circuitry electrically disconnects the power input of the battery monitoring circuitry from the positive terminal of the battery storage.

REFERENCES:
patent: 4150302 (1979-04-01), Roche
patent: 5153496 (1992-10-01), LaForge
patent: 5334925 (1994-08-01), Kendrick
IBM ThinkPad 750/750C/750s Getting Started, available from IBM Corporation, p.4. no date.

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