Battery charging apparatus which determines a time to completion

Details Battery charging apparatus which determines a time to completion Battery charging apparatus which determines a time to completion

1997-12-15

1999-07-20

Tso, Edward H.

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

320150, 320134, H01M 1046

Patent

active

059260076

ABSTRACT:
The battery charging apparatus is provided with a memory circuit for pre-storing correlation data between rechargeable battery charge capacity and time to completion of charging, a charge capacity measuring circuit to measure rechargeable battery charge capacity, and a calculating circuit to calculate, during charging, the time to completion of charging based on charge capacity determined by the charge capacity measuring circuit and correlation data stored in the memory circuit.

REFERENCES:
patent: 5541489 (1996-07-01), Dunstan
patent: 5631540 (1997-05-01), Nguyen
patent: 5656919 (1997-08-01), Proctor et al.
patent: 5723971 (1998-03-01), Sakai et al.

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