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Interactive access to supplementary material related to a program being broadcast

  • US 20030022622A1
  • Filed: 03/05/2002
  • Published: 01/30/2003
  • Est. Priority Date: 03/05/2001
  • Status: Active Grant
First Claim
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1. A method for interactively with a broadcast program that is being performed enabling access to supplementary materials related to the program, comprising:

  • obtaining a programming signal;

    obtaining a supplementary material signal that identifies the program-related supplementary material;

    combining said programming signal and said supplementary material signal into an output signal;

    broadcasting said output signal from a program signal source;

    receiving said broadcast output signal at a location of an audience;

    performing for the audience said programming signal of the received output signal, with reproduction equipment;

    extracting a signal related to said supplementary material signal from the received broadcast signal; and

    responding to an interactive control signal actuated by a member of said audience tuned to said programming signal being performed, and based on said extracted signal, to enable access to the supplementary material corresponding to said supplementary material signal.

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