Charge control circuit

Details Charge control circuit Charge control circuit

1977-10-05

1981-05-05

Hickey, Robert J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320DIG1, 323906, H02J 710

Patent

active

042661781

ABSTRACT:
A charge control circuit for regulating the current applied to a secondary battery utilized as a power supply in an electronic instrument is provided. The secondary battery is adapted to be charged to a predetermined voltage level in response to a charging current being applied thereto. A charging current is produced by a charging device, such as a solar battery. Voltage regulating circuitry is disposed intermediate the charging device and the secondary battery for detecting the voltage level of the secondary battery and, in response thereto, selectively regulating the application of the charging current to the voltage supply.

REFERENCES:
patent: 3447059 (1969-05-01), Ford et al.
patent: 3549983 (1970-12-01), Sprogis
patent: 3553562 (1971-01-01), Woods
patent: 3636378 (1972-01-01), Chashi et al.
patent: 3743923 (1973-07-01), Steudel
patent: 3919618 (1975-11-01), Coleman et al.
patent: 3979656 (1976-09-01), Takeda et al.
patent: 4043110 (1977-08-01), Chihara

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