JP2007266760A5 - - Google Patents

Claims (8)

  A plurality of pixels arranged two-dimensionally, each including a photoelectric conversion element;
  A plurality of signal output lines provided for each column of the plurality of pixels;
  For the selected row of the plurality of pixels, an optical signal is read out from the photoelectric conversion element of the pixel in the first column via the first signal output line, and an optical signal is read out from the photoelectric conversion element of the pixel in the second column. Driving means for driving the plurality of pixels to read out a noise signal via a second signal output line for:
  Differential means for performing differential processing between the optical signal and the noise signal;
  An imaging device comprising: First holding means for temporarily holding the optical signal;
Second holding means for temporarily holding the noise signal ;
Outputting the noise signals held in the second holding means and the optical signal held prior Symbol first holding means, at the same time to said first and second holding means or found before Symbol differentiating means further comprising an output means for,
The drive means drives the plurality of pixels so that the optical signal and the noise signal are alternately read out to the first and second holding means at the same timing every other column. The imaging apparatus according to 1. And the output means, the two rows adjacent to each other as a set, in the first of the noise signal the same timing, which is held in the optical signal and the second hold means held in the holding means of each other The imaging apparatus according to claim 2, wherein the imaging apparatus outputs the image. The driving means reads the optical signal from the photoelectric conversion element every other column at a first timing for each row, and the photoelectric signal from the column from which the noise signal is read at the first timing at a second timing. The imaging apparatus according to claim 1 , wherein the imaging device is read and driven so as to read an optical signal from the conversion element. It said output means imaging apparatus according to any one of claims 2 to 4, characterized in that it consists of a plurality of output channels. A clamp circuit is connected to each signal output line,
Said drive means, the reset potential of the pixel is clamped in the clamp circuit through the clamp circuit, to any one of claims 1 to 5, characterized in that reading said optical signal and said noise signal The imaging device described. A lens for focusing light on said plurality of pixels, the image pickup apparatus according to any one of claims 1 to 6 and a signal processing unit which processes a signal output from said differentiating means.   A driving method of an imaging apparatus having a plurality of pixels arranged two-dimensionally, each including a photoelectric conversion element, and a plurality of signal output lines provided for each column of the plurality of pixels,
  For the selected row of the plurality of pixels, an optical signal is read out from the photoelectric conversion element of the pixel in the first column via the first signal output line, and an optical signal is read out from the photoelectric conversion element of the pixel in the second column. Driving the plurality of pixels to read out a noise signal via a second signal output line for:
  Performing a difference process between the optical signal and the noise signal;
  A method for driving an imaging apparatus, comprising: