Image-pickup apparatus
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United States of America Patent
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Jul 20, 2010
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N/A
app pub date -
Jan 10, 2008
filing date -
Jan 23, 2007
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Abstract
An image-pickup apparatus includes a mirror moving into and out of an optical path, a shutter mechanism including shutter blades and a shutter-driving spring driving the shutter blades in an open direction, a charge-holding member holding the shutter mechanism with the shutter-driving spring charged, and a hold-releasing member releasing the holding of the shutter mechanism by the charge-holding member. The shutter blades and the charge-holding member are moved in a plane parallel to a light-receiving surface of an image-pickup element. The hold-releasing member is moved in a plane orthogonal to the light-receiving surface of the image-pickup element and drives the mirror in a moving-out direction when releasing the holding of the shutter mechanism. The apparatus has a small configuration associated with driving the shutter mechanism and is appropriate for providing a cleaning mechanism of the image-pickup element by using a movable member different from the shutter blades.
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