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Two-wavelength image sensor picking up both visible and infrared images

  • US 7,491,937 B2
  • Filed: 04/02/2007
  • Issued: 02/17/2009
  • Est. Priority Date: 06/13/2006
  • Status: Active Grant
First Claim
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1. A 2-wavelength image sensor picking up both a visible image and an infrared image, comprising a detector array including a plurality of visible radiation detectors and a plurality of uncooled infrared radiation detectors, said plurality of visible radiation detectors and said plurality of uncooled infrared radiation detectors being uniformly dispersedly arranged, wherein:

  • each of said visible radiation detectors configures a single pixel of said visible image; and

    said plurality of uncooled infrared radiation detectors are divided into groups of N of said uncooled infrared radiation detectors, N being an integer of at least two, each of said groups having said N of said uncooled infrared radiation detectors electrically series connected to configure a single pixel of said infrared image.

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