Solid-state image capture device and control method and control program therefor
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United States of America Patent
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Jun 17, 2014
Grant Date -
May 2, 2013
app pub date -
Oct 24, 2012
filing date -
Oct 31, 2011
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Abstract
A solid-state image capture device including: a pixel having a photoelectric conversion element and first to fourth switch elements; a reference-signal generator that generates a reference signal; and an analog-to-digital converter that generates a digital signal corresponding to an analog signal output by the pixel, by using a comparator having first and second input terminals. The second switch element is turned on to reset a voltage of the predetermined connection point, the fourth switch element is turned on while a connection degree of the second switch element is in an intermediate state between an on state and an off state to cause the first and second input terminals to reach a same potential, and the second switch element is not turned on and at least one of the first and third switch elements is turned on to cause the analog-to-digital converter to perform conversion into a digital signal.
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