Battery charging circuit

Details Battery charging circuit Battery charging circuit

1974-12-26

1976-07-20

Miller, J D

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

310 50, 320 39, 320DIG1, 323 22T, H02J 710

Patent

active

039709124

ABSTRACT:
Disclosed is a battery operated hand tool which has incorporated directly into its housing a novel battery charging circuit. The charger normally operates off a conventional household power outlet and comprises a solid state switching circuit for recharging the battery with a series of electrical impulses. In some special cases, it can be operated in a non-switching state. External inductance is eliminated by charging the battery through the hand tool motor.

REFERENCES:
patent: 3257568 (1966-06-01), Diener
patent: 3602794 (1971-08-01), Westhaver
patent: 3876921 (1975-04-01), Bigbee

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