System for controlling the exposure in a camera

Details System for controlling the exposure in a camera System for controlling the exposure in a camera

1978-08-29

1980-08-19

Gonzales, John

Optics: measuring and testing

Range or remote distance finding

With photodetection

354 25, 354 38, 354 50, 354152, 356 28, 250201, 250224, 324175, G03B 708, G03B 1320, G03B 1912, G01P 336

Patent

active

042181194

ABSTRACT:
A pick-up system includes means for recognizing the displacement of objects to be photographed relative to the optical reproduction plane. The shutter of the pick-up system is actuated according to the relative motion of said objects. In a pick-up system comprising a variable diaphragm and a replaceable film of a special sensitivity, e.g. in an automatic camera, the shutter speed, being a function of the relative motion of the objects, determines the aperture of the diaphragm with respect to the sensitivity of the film.

REFERENCES:
patent: 3399307 (1968-08-01), Levin
patent: 3690234 (1972-09-01), Costianes
patent: 3997795 (1976-12-01), Pohl et al.
patent: 4047187 (1977-09-01), Mashimo et al.

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