IMAGING APPARATUS AND METHOD OF DRIVING SOLID-STATE IMAGING DEVICE
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United States of America Patent
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Issued Date -
Apr 8, 2010
app pub date -
Oct 7, 2009
filing date -
Oct 8, 2008
priority date (Note) -
Abandoned
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Abstract
An imaging apparatus includes a control unit of performing a series of drive operations of discharging electric charges in photoelectric conversion portions of all pixel units to a semiconductor substrate, simultaneously starting an exposure in all the pixel units, injecting the electric charges generated in the photoelectric conversion portions during the exposure period into floating gates FG during the exposure period, reading first signals corresponding to the electric charges accumulated in the FG after the end of the exposure period, discharging the electric charges in the FG to writing drains and reading drains, and reading second signals corresponding to noises accumulated in the FG, at different times by lines and a CDS generating an image capturing signal for generating image data by subtracting the second signals from the first signals.
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