Automatic control device for a camera having an electromagnetic

Details Automatic control device for a camera having an electromagnetic Automatic control device for a camera having an electromagnetic

1978-11-17

1981-03-31

Hix, L. T.

354 60R, G03B 7089

Patent

active

042589924

ABSTRACT:
An automatic exposure control device for a camera in which manual operation such as depression of a shutter button, causes memorization of an electric quantity in an analog memory element in accordance with a photoelectric output from a photometering circuit, and thereafter energization of an electromagnet release device which releases an exposure control mechanism from restraint.

REFERENCES:
patent: 3678822 (1972-07-01), Veda et al.
patent: 3682058 (1972-08-01), Wada
patent: 4015198 (1977-03-01), Iwashita et al.

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