Battery charger, battery case, and electronic equipment

Details Battery charger, battery case, and electronic equipment Battery charger, battery case, and electronic equipment

1994-04-29

1996-06-11

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

429 98, H01M 1046, H01M 210

Patent

active

055258883

ABSTRACT:
An integrated system of battery charger, battery case, and electronic equipment allows convenient options to carrying bulky charging equipment when traveling with portable electronic equipment. The battery charger contains both a battery pack and charging circuitry, the battery case contains multiple battery packs for extended operation time with intelligent switching to consecutively charge or discharge battery packs, and the electronic equipment operates with either the nearly identically shaped battery charger or battery case attached. Battery packs mount in a detachable fashion in compartments on either the battery charger or the battery case. Power is supplied to the electronic equipment from the battery packs through a completely compatible system of terminals and contacts on all units.

REFERENCES:
patent: 3458794 (1969-07-01), Bohnstedt et al.
patent: 4389469 (1983-06-01), Nicholls
patent: 4647832 (1987-03-01), Fenne et al.
patent: 4794315 (1988-12-01), Pederson et al.
patent: 4857702 (1989-08-01), Cafaro
patent: 5192904 (1993-03-01), Leiserson
patent: 5306576 (1994-04-01), Sasaki
patent: 5306956 (1994-04-01), Ikeda et al.
patent: 5317247 (1994-05-01), Chong et al.

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