Secondary battery charging apparatus

Details Secondary battery charging apparatus Secondary battery charging apparatus

1995-04-27

1997-01-28

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

307 66, H02J 700

Patent

active

055980899

ABSTRACT:
A charging apparatus has a controller which controls the charging and discharging of a secondary battery. The controller has a power changeover circuit which makes a changeover so that when a charging DC power source from an AC adapter is present, the charging DC power source is used as the power source of the controller and that when the charging DC power source from the AC adapter is absent with the secondary battery being set, the secondary battery is used as the power source of the controller.

REFERENCES:
patent: 5371456 (1994-12-01), Brainard
patent: 5389825 (1995-02-01), Ishikawa et al.
patent: 5418445 (1995-05-01), Alpert et al.
patent: 5420496 (1995-05-01), Ishikawa

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