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Computer vision based touch screen

  • US 8,035,624 B2
  • Filed: 10/30/2007
  • Issued: 10/11/2011
  • Est. Priority Date: 05/28/2002
  • Status: Expired due to Fees
First Claim
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1. An interactive video display system, comprising:

  • means for displaying an image, the means for displaying having a front side and a back side;

    transparent means located in front of the means for displaying;

    means for emitting a beam of non-visible wavelength light into the transparent means so that the non-visible wavelength light is substantially reflected within the transparent means;

    detection means configured to acquire images of the transparent means, the detection means configured to detect non-visible wavelength light escaping from the transparent means in response to an object contacting the transparent means; and

    computing means configured to;

    analyze information generated by the detection means in response to detection of non-visible wavelength light escaping from the transparent means, andgenerate a responsive image for display on the means for displaying, the responsive image based on the analyzed information.

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