Rechargeable flashlight combined with a constant current battery

Details Rechargeable flashlight combined with a constant current battery Rechargeable flashlight combined with a constant current battery

1981-02-23

1983-08-09

Beha, Jr., William H.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 48, 362183, H02J 702

Patent

active

043981399

ABSTRACT:
Apparatus for charging rechargeable batteries includes a constant current regulator connected in combination with a current limiting resistor to provide constant current for charging the rechargeable battery and a pair of light emitting diodes are used to indicate the charging status of the rechargeable battery.

REFERENCES:
patent: 3445745 (1969-05-01), Frezzolini
patent: 3521050 (1970-07-01), Shagena
patent: 3534354 (1970-10-01), Galginaitis
patent: 3749905 (1973-07-01), Friedman et al.
patent: 3890555 (1975-06-01), Nelson et al.
patent: 3987354 (1976-10-01), Mason
patent: 4109193 (1978-08-01), Schultheis
patent: 4147969 (1979-04-01), Miller et al.
Electronic Design 8, vol. 25, pp. 118-122, Apr. 12, 1977.

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