IMAGE PICKUP APPARATUS

PROBLEM TO BE SOLVED: To solve such a problem that, even though mirror bound has already attenuated, an exposure operation cannot be started by an electronic shutter function till the bound of a blade group attenuates, and it takes a long time to start the exposure after a finder image is disappeare...

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Bibliographische Detailangaben
1. Verfasser:	NIWAMAE YUKI
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:	PROBLEM TO BE SOLVED: To solve such a problem that, even though mirror bound has already attenuated, an exposure operation cannot be started by an electronic shutter function till the bound of a blade group attenuates, and it takes a long time to start the exposure after a finder image is disappeared.SOLUTION: After a first cam gear 21 releases the retention of a blade lever 15, a second cam gear 22 is driven from a mirror-down position to a mirror-up position, so that, before the mirror starts the mirror-up operation, a first blade 41 and a second blade 42 are driven in the opening direction by an energizing force of a blade return spring 46.