Automatic film sensitivity setting device for camera

Details Automatic film sensitivity setting device for camera Automatic film sensitivity setting device for camera

1985-01-29

1987-04-07

Perkey, William B.

G03B 724

Patent

active

046555684

ABSTRACT:
An automatic film sensitivity setting device uses part of electrical contacts provided on a film patrone of CAS system to produce from two-bit information a voltage signal indicating the film sensitivity index for the exposure control circuit of a camera. The device includes the circuit for setting the film sensitivity index manually.

REFERENCES:
patent: 3810200 (1974-05-01), Sakaguchi et al.
patent: 4200371 (1980-04-01), Suzuki et al.
patent: 4431283 (1984-02-01), Hoda et al.

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