Camera having solar battery and secondary battery

Details Camera having solar battery and secondary battery Camera having solar battery and secondary battery

1994-07-29

1995-06-13

Adams, Russell E.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 48, 340516, 340636, G03B 726

Patent

active

054248000

ABSTRACT:
A camera includes a solar battery, a secondary battery charged by the solar battery, a battery-checking circuit for checking a charged state of the secondary battery, an informing device for informing the charged state of the secondary battery checked by the battery-checking circuit, and a clock for operating the battery-checking circuit at predetermined intervals.

REFERENCES:
patent: 3997831 (1976-12-01), Hopfner
patent: 4328456 (1982-05-01), Suzuki et al.
patent: 4449057 (1984-05-01), Ishiwata
patent: 4494854 (1985-01-01), Yamagu et al.
patent: 4972181 (1990-11-01), Fiene

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