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Method and apparatus for copy protection for various recording media using a video finger print

  • US 5,659,613 A
  • Filed: 06/07/1995
  • Issued: 08/19/1997
  • Est. Priority Date: 06/29/1994
  • Status: Expired due to Term
First Claim
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1. A method of providing copy-protection for a program distribution medium comprising the steps of:

  • adding an authenticating signature to a tracking portion of said media to be copy-protected;

    inputting program data;

    adding a finger print signal to said program data;

    encoding said finger printed program data;

    recording said encoded data on said media;

    detecting said authenticating signature in a media player;

    detecting said recorded encoded data from said media;

    decoding said detected encoded data;

    detecting said finger print signal;

    inputting said decoded data to a data output device when said authenticating signal and said finger print signal are detected; and

    inputting said decoded data to said data output device when said finger print signal is not detected.

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