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Active-passive imager pixel array with small groups of pixels having short common bus lines

  • US 6,750,912 B1
  • Filed: 09/30/1999
  • Issued: 06/15/2004
  • Est. Priority Date: 09/30/1999
  • Status: Expired due to Term
First Claim
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1. An imager array comprising:

  • a plurality of pixel groups, each pixel group comprising;

    a plurality of pixels located in close proximity to each other and connected to a common bus line, the common bus line having a relatively low bus capacitance; and

    an amplifier connected to the common bus line, wherein the amplifier is located in close proximity to the plurality of pixels;

    wherein the plurality of pixels comprises four pixels, such that one pixel is a dark pixel used to subtract off an amplifier offset associated with the amplifier.

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