Image sensing apparatus with electronic shutter function and mechanical shutter function, and image sensing method
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United States of America Patent
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Oct 21, 2008
Grant Date -
Oct 13, 2005
app pub date -
Dec 5, 2001
filing date -
Dec 6, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An image sensing apparatus having an electronic shutter for controlling the charge accumulation time of an image sensing element and a mechanical shutter for releasing/shielding an optical path to the image sensing element includes an electronic shutter mode of controlling the image sensing time mainly by the electronic shutter and a mechanical shutter mode of controlling the image sensing time mainly by the mechanical shutter. In the electronic shutter mode, the operations of the electronic and mechanical shutters are controlled to overlap each other, and a charge reading period of the image sensing element and part of a release operation period of the mechanical shutter are controlled to overlap each other.
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