Method and apparatus for controlling power supply

Details Method and apparatus for controlling power supply Method and apparatus for controlling power supply

1994-03-09

1996-06-04

Stephan, Steven L.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 20, 320 38, 320 40, H02J 704

Patent

active

055236707

ABSTRACT:
When an AC adapter and a battery are connected to a system, the rapid charge for the battery is started. During the rapid charge, the battery voltage of the battery is detected by a voltage detector. A power supply controller samples the detected battery voltage at predetermined sampling times, thereby to monitor changes in the battery voltage. If the battery voltage rapidly changes at least twice within a predetermined period of time, it is determined that the battery is in a full charge state, and the rapid charge for the battery is stopped.

REFERENCES:
patent: 4052717 (1977-10-01), Arnold et al.
patent: 4392101 (1983-07-01), Saar et al.
patent: 4418310 (1983-11-01), Bollinger
patent: 4549127 (1985-10-01), Taylor et al.
patent: 4639655 (1987-01-01), Westhaver et al.
patent: 4716354 (1987-12-01), Hacker
patent: 4730121 (1988-03-01), Lee et al.
patent: 4746852 (1988-05-01), Martin
patent: 4754160 (1988-06-01), Ely

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