Analog-Digitalumsetzer für Kameras

An analog-to-digital converter for a camera has a reference signal generating element, a measurement signal generating element, and pulse output means for generating pulses of pule durations corresponding respectively to signals from the generating elements. The generating elements are alternately s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TANIWAKI, MICHIO, YOTSUKAIDO, CHIBA, SEKI, YOUICHI, YOTSUKAIDO, CHIBA, SAITO, HIROYUKI, YOTSUKAIDO, CHIBA, KAWAI, MICHIO, YOTSUKAIDO, CHIBA
Format:	Patent
Sprache:	ger
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 BASIC ELECTRONIC CIRCUITRY CINEMATOGRAPHY CODE CONVERSION IN GENERAL CODING DECODING ELECTRICITY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	An analog-to-digital converter for a camera has a reference signal generating element, a measurement signal generating element, and pulse output means for generating pulses of pule durations corresponding respectively to signals from the generating elements. The generating elements are alternately selected to produce two pulse durations, and the ratio of these two durations is computed by pulse duration ratio computing means. Control information corresponding to the computed ratio is retrieved from memory means.