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Method and apparatus for the automatic identification and verification of commercial broadcast programs

  • US 4,547,804 A
  • Filed: 03/21/1983
  • Issued: 10/15/1985
  • Est. Priority Date: 03/21/1983
  • Status: Expired due to Term
First Claim
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1. A method for automatically identifying and verifying the proper airing of a television program comprising:

  • (a) placing an identification code on a select line of each frame of a television program;

    (b) forming and storing a reference signal in a first memory said reference signal containing verified airings information referenced to the identification code on said coded program to be bought airings,(c) transmitting, as a composite signal, said coded program from one or more sending stations over one or more channels in a receiving area;

    (d) receiving each said composite signal of said channels;

    (e) scanning automatically one or more of said channels to detect the presence of said identification code and a proper audio and video portion of each received composite signal;

    (f) separating the detected identification code from each said received composite signal;

    (g) generating an electrical time signal;

    (h) generating a channel identifying signal;

    (i) forming a separate verification signal for each separated identification code by combining said separated identification code, said time signal and said channel identification signal;

    (j) storing each said verification signal in a second memory as said verified airings, and(k) playing out of said first and second memories the information stored therein to compare and match said verified airings with the bought airings and making therefrom a list of the number of verified airings that were bought airings and the number of bought airings for which there is no verified airing.

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