Imaging device for suppressing variations in electric potentials
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United States of America Patent
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Sep 18, 2012
Grant Date -
Nov 11, 2010
app pub date -
Jul 19, 2010
filing date -
Feb 18, 2008
priority date (Note) -
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Abstract
An imaging device includes pixels arranged in a two-dimensional form and each having a photoelectric conversion part converting light into an electric signal, a plurality of vertical signal lines coupled, in a column direction, to the pixels arranged in the column direction and receiving the electric signal read from each of the pixels, a first constant current generator provided on each of the vertical signal lines, a column amplifier having a second constant current generator and amplifying the electric signal read to the vertical signal line, and a constant voltage generator provided on each of the vertical signal lines and being coupled to a first contact of the first constant current generator and a second contact of the second constant current generator included in the column amplifier.
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