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System and methodology for validating compliance of anti-piracy security and reporting thereupon

  • US 8,006,311 B2
  • Filed: 09/18/2008
  • Issued: 08/23/2011
  • Est. Priority Date: 09/27/2000
  • Status: Expired due to Term
First Claim
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1. A method for use with a visual image prior to, during or after projecting of the visual image onto a projection surface, the method comprising:

  • generating a detectable anti-piracy image prior to, during or after projecting the visual image onto a projection surface;

    activating a sensor configured to detect the anti-piracy image;

    sensing at least a partial absence of the anti-piracy image; and

    generating a violation signal responsive to the sensing of at least a partial absence.

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