Battery charging system

Details Battery charging system Battery charging system

1982-05-20

1984-03-06

Shoop, William M.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 39, H01M 1044

Patent

active

044356757

ABSTRACT:
A battery charging system comprises a battery which may be selectively connected to a load or a battery charger. The system further includes a discharge monitor the output of which is connected to five of the address inputs of ROM, the remaining five inputs of which are connected to the output of a counter driven by a clock. The output of ROM is connected to the input of a D/A converter, the output of which is connected to the current control input of a charger. ROM is programmed with a set of charging schedules of equal duration. In operation, at the commencement of a charging cycle, a particular schedule is selected by the discharge monitor and the system is then driven through the selected schedule by the counter and the clock.

REFERENCES:
patent: 3424916 (1969-01-01), Fenley
patent: 3727074 (1973-04-01), Keller et al.
patent: 3947743 (1976-03-01), Mabuchi et al.
patent: 4270080 (1980-05-01), Kostecki
patent: 4308492 (1981-12-01), Mori et al.
patent: 4320333 (1982-03-01), Hase
patent: 4342954 (1982-08-01), Griffith

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