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Method and apparatus employing optical angle detectors adjacent an optical input area

  • US 20070132742A1
  • Filed: 12/08/2005
  • Published: 06/14/2007
  • Est. Priority Date: 12/08/2005
  • Status: Abandoned Application
First Claim
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1. Apparatus, comprising:

  • a plurality of optical angle detectors, each of which is positioned at a different location adjacent an optical input area; and

    a plurality of light-control devices, each of which is positioned between the optical input area and one of the optical angle detectors to cause particular rays of light to be mapped to particular portions of a respective one of the optical angle detectors;

    wherein the optical angle detectors are positioned to cause each coordinate in the optical input area to be within a field of view of at least two of the optical angle detectors.

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