Exposure correction factor setting device for a camera

Details Exposure correction factor setting device for a camera Exposure correction factor setting device for a camera

1977-11-29

1979-06-26

Hix, L. T.

354 37, 354 48, 354 32, 354149, 354 58, G03B 700, G03B 1505

Patent

active

041591682

ABSTRACT:
An exposure correction factor setting device is disclosed which includes an exposure correction factor setting dial, a brush connected to the dial and arranged to be operated when the film speed is manually adjusted, and a bias device connected to a variable resistor for manual adjustment of the film speed so as to apply to a film speed signal producing device for automatic adjustment of film speed a bias signal corresponding to the exposure correction factor set by the dial. It is thereby possible to utilize the exposure correction factor setting device in automatically setting a film speed by a film cassette as well as in manually setting the film speed.

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patent: 3303765 (1967-02-01), Jakob et al.
patent: 3388648 (1968-06-01), Thiele et al.
patent: 3524392 (1970-08-01), Langnau et al.
patent: 3947862 (1976-03-01), Watanabe et al.
patent: 3956763 (1976-05-01), Yamanaka
patent: 4067033 (1978-01-01), Urano et al.

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