PHOTOGRAPHIC FILM CARTRIDGE AND CAMERA USING THE SAME

PURPOSE:To discriminate from external appearance whether a film has been already exposed or not. CONSTITUTION:As to a photographic film cartridge 9, the leading edge 12a of the film gets into a cartridge main body 10 in a state where the film is not exposed. After exposure, an engaging hole is locke...

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Bibliographische Detailangaben
1. Verfasser:	KOMATSUZAKI HIROSHI
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 AUXILIARY PROCESSES IN PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES PHOTOGRAPHY PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES PHYSICS
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Beschreibung
Zusammenfassung:	PURPOSE:To discriminate from external appearance whether a film has been already exposed or not. CONSTITUTION:As to a photographic film cartridge 9, the leading edge 12a of the film gets into a cartridge main body 10 in a state where the film is not exposed. After exposure, an engaging hole is locked by an engaging pawl 22 by rewinding the film 12. In such a state, the leading edge 12a of the film somewhat projects from the main body 10. A cartridge holder causes the cartridge 9 of the exposed film to be taken out and prevents it from being loaded. A cam groove is formed on the side surface of the cartridge holder, and the cam groove is provided with two locking parts in order to hold the cartridge holder at an opening position and a closing position.