Battery charging circuit

Details Battery charging circuit Battery charging circuit

1985-07-09

1987-01-13

Hickey, R. J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 31, 320 39, H02J 704

Patent

active

046367047

ABSTRACT:
A circuit for charging a battery having a charge-completion signal generator, e.g., a thermostat, that is turned off when the temperature of a rechargeable battery or cell has reached the level corresponding to charge completion. A constant-current circuit controls the charging current. A light-emitting element is lit by current for controlling the constant-current circuit. A silicon-controlled rectifier operates in conjunction with a switching element upon receiving an external charge-completion signal to cause the constant-current circuit to stop operating and remain off by detecting the cell voltage even after the external charge-completion signal has been cut off.

REFERENCES:
patent: 3652915 (1972-03-01), Eberts
patent: 3911351 (1975-10-01), Saslow
patent: 4006397 (1977-02-01), Catoti et al.
patent: 4528492 (1985-07-01), Inaniwa

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