Solid photographic device

Solid photographic device

  • CN 101,860,689 B
  • Filed: 03/31/2010
  • Issued: 03/23/2016
  • Est. Priority Date: 04/07/2008
  • Status: Active Grant
First Claim
Patent Images

1. a solid photographic device, it comprises:

  • Pixel array unit, it comprises the pixel of arranging with two dimensional form according to row and column;

    AndSignal processing part, it comprises decision circuit and A/D convertor circuit, when the pixel of the n with different exposure time in described pixel array unit forms one group and read n signal successively from a described n pixel, judge whether this signal is equal to, or greater than predetermined value during the reading of each signal of described decision circuit in a described n signal, and described A/D convertor circuit carries out predetermined signal processing according to the result of determination of described decision circuit to m the signal being less than nWherein, n >

    =2 and 1≤

    m<

    n,Described predetermined signal processing is AD conversion process, andN the pixel of described one group shares a described decision circuit and a described A/D convertor circuit.

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