System for automatically setting film sensitivity in camera

Details System for automatically setting film sensitivity in camera System for automatically setting film sensitivity in camera

1984-10-09

1986-11-18

Perkey, William B.

G03B 724

Patent

active

046232311

ABSTRACT:
A system for automatically setting the film sensitivity in a camera by reading the film sensitivity in terms of a code through an electric signal terminal attached to a film patrone of the camera and producing an electric signal for automatic exposure control, in which the read code signal is stored at a certain predetermined timing and this stored stable information is used during exposure.

REFERENCES:
patent: 4173401 (1979-11-01), Harvey
patent: 4309089 (1982-01-01), Harvey
patent: 4349272 (1982-09-01), Holthusen

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