CAMERA APPARATUS FOR CONTROLLING DIAPHRAGM AND SHUTTER SPEED

An exposure control system for use in photographic apparatus which provides automatic adjustment of the exposure aperture in response to a first photoresponsive signal before and during an exposure interval determined by a timing circuit as a function of the aperture adjustment and a second photores...

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Hauptverfasser:	RICHARD C. PAINTON, RICHARD J. BRESSON
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHY PHYSICS
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creator	RICHARD C. PAINTON RICHARD J. BRESSON
description	An exposure control system for use in photographic apparatus which provides automatic adjustment of the exposure aperture in response to a first photoresponsive signal before and during an exposure interval determined by a timing circuit as a function of the aperture adjustment and a second photoresponsive signal. Preferably the system includes an indicator controlled by both photoresponsive signals to provide an indication of low light conditions and of the termination of the exposure interval when such low light conditions prevail.
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subjects	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHY PHYSICS
title	CAMERA APPARATUS FOR CONTROLLING DIAPHRAGM AND SHUTTER SPEED
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