Life-prolonging device for hearing-aid batteries

Details Life-prolonging device for hearing-aid batteries Life-prolonging device for hearing-aid batteries

1979-11-19

1981-08-04

Hickey, Robert J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 4, 307150, H02J 700, H01M 1046

Patent

active

042824745

ABSTRACT:
A life-prolonging device for ear level hearing aid batteries and the like in which an electrical circuit mounted on a platform in a box-type housing sends an electric current from a larger battery through a hearing aid battery when an actuating switch lid is in the closed position.

REFERENCES:
patent: 3414793 (1968-12-01), Jasperson
patent: 3947743 (1976-03-01), Mabuchi et al.
patent: 4186335 (1980-01-01), Cahill

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