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High dynamic range image sensor

  • US 7,259,413 B2
  • Filed: 09/28/2004
  • Issued: 08/21/2007
  • Est. Priority Date: 09/28/2004
  • Status: Active Grant
First Claim
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1. A pixel cell comprising:

  • a photosensor for producing photo-generated charges during an integration period comprising at least first and second segments; and

    at least a first transistor coupled to said photosensor for draining charges away from said photosensor during one of said segments such that said photosensor has different charge integration characteristics in said first and second integration segments.

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