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LIGHT SENSOR WITH INCREASED DYNAMIC RANGE

  • US 20020012056A1
  • Filed: 02/26/1999
  • Published: 01/31/2002
  • Est. Priority Date: 02/26/1999
  • Status: Active Grant
First Claim
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1. In an image capture system having a sensor, the sensor having a first node and a second node, a method of capturing image data comprising the steps of:

  • a) resetting the first node;

    b) resetting the second node;

    c) collecting an image on the first node;

    d) transferring a first pixel value from the first node to the second node after a first predetermined time period;

    e) reading a second pixel value from the first node and the first pixel value from the second node after a second predetermined time period;

    f) performing an arithmetic operation on the first pixel value and the second pixel value to generate a result; and

    g) providing the result to the image capture system.

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