Photoelectric conversion apparatus, focus detecting apparatus, and imaging system
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United States of America Patent
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Sep 16, 2014
Grant Date -
Jan 31, 2013
app pub date -
May 23, 2012
filing date -
Jul 27, 2011
priority date (Note) -
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Abstract
A photoelectric conversion apparatus includes: a sensor cell unit for a non-inverting output, via a first non-inverting amplifier to a common output line, of a signal generated by a photoelectric conversion element; a first memory cell unit for holding the signal inputted from the common output line to a first memory capacitor, and for performing a non-inverting output of the signal held by the first memory capacitor, via a second non-inverting amplifier to the common output line; a transfer unit for non-inverting or inverting, via an amplifier, the signal in the common output line, and for outputting the signal non-inverted or inverted to the common output line; a transfer switch arranged between an input terminal of the transfer unit and the common output line; and a feedback switch arranged between an output terminal of the transfer unit and the common output line.
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