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Wide dynamic range operation for CMOS sensor with freeze-frame shutter

  • US 7,209,166 B2
  • Filed: 04/13/2006
  • Issued: 04/24/2007
  • Est. Priority Date: 10/26/2000
  • Status: Expired due to Term
First Claim
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1. A method of obtaining an image signal using a solid state sensor, the method comprising:

  • collecting a short image signal during a first time period;

    sampling the short image signal after the first time period;

    collecting a long image signal during a second time period;

    sampling the long image signal after the second time period; and

    combining the short image signal and the long image signal in a memory in the sensor to create a total image signal.

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