Dark exposure control device
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United States of America Patent
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Jan 10, 2017
Grant Date -
Aug 8, 2013
app pub date -
Feb 7, 2013
filing date -
Feb 8, 2012
priority date (Note) -
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Abstract
A dark exposure control device comprises a dark exposure performing processor, an aperture-stop, and an aperture-stop driving processor. The dark exposure performing processor detects an image signal generated by an imaging device while the shutter is closed. The aperture-stop adjusts the amount of light incident on the imaging device. The aperture-stop driving processor adjusts the opening degree of the aperture-stop to smaller than the opening degree set for a main exposure while the dark exposure performing processor is operated.
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