Battery charging apparatus

Details Battery charging apparatus Battery charging apparatus

2005-02-22

2005-02-22

Tibbits, Pia (Department: 2838)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

C320S155000

Reexamination Certificate

active

06859012

ABSTRACT:
A load, such as a cordless telephone handset, is powered by a rechargeable battery. The battery is recharged, when the load is not in use, by a battery charger which is controlled by a usage timer which totals the amount of time that the load has drawn power from the battery since the last recharging cycle. The usage timer causes operation of the battery charger to be inhibited until after a predetermined cumulative use.

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