SHUTTER OPERATING MECHANISM HAVING AN AUTOMATIC EXPOSURE TIME CONTROL MEANS FOR PHOTOGRAPHIC CAMERA

A photographic camera with an automatic exposure control means, an exposure time control circuit for initiating the closure of the camera shutter and a film frame number indicating mechanism having non-usable and usable frame indications. A shutter closure urging circuit is operably connected into t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SAKAZAKI T,JA, NOMURA K,JA, MIYATA K,JA, URANO F,JA, WATANABE K,JA, UNO N,JA
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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Beschreibung
Zusammenfassung:	A photographic camera with an automatic exposure control means, an exposure time control circuit for initiating the closure of the camera shutter and a film frame number indicating mechanism having non-usable and usable frame indications. A shutter closure urging circuit is operably connected into the exposure time control circuit and has connected therein a switch to render effective and ineffective the shutter closure urging circuit. A lever actuates the switch to render effective the shutter closure urging circuit when the indicating mechanism is providing the non-usable frame indication and for rendering ineffective the shutter closure urging circuit when the indicating mechanism is providing the usable frame indication.