Constant current battery charger with auxiliary output for porta

Details Constant current battery charger with auxiliary output for porta Constant current battery charger with auxiliary output for porta

1995-03-02

1997-06-24

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 21, 320 39, H02J 704, H01M 1044

Patent

active

056420293

ABSTRACT:
An auxiliary power supply line for powering the functional circuits of a portable apparatus during recharging of its internal battery by a constant current battery charger is derived from a node upstream of a sensing resistance of the current delivered to the battery under charge and is provided with isolation means.

REFERENCES:
patent: 4395639 (1983-07-01), Bring
patent: 4458111 (1984-07-01), Sugihara
patent: 5136229 (1992-08-01), Galvin
patent: 5371456 (1994-12-01), Brainard

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