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Programming and selection monitoring system for television receivers

  • US 4,170,782 A
  • Filed: 10/28/1977
  • Issued: 10/09/1979
  • Est. Priority Date: 12/13/1976
  • Status: Expired due to Term
First Claim
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1. A television monitoring system for monitoring the use by individual television viewers of a plurality of television receivers, each including a tuner, located at a plurality of remote locations in response to an interrogation signal transmitted from a central station comprising:

  • means interconnected with each of the plurality of television receivers for generating a plurality of unique tones, wherein ones of said tones correspond to a particular television channel being viewed by a television viewer;

    recording means for continuously recording on a recording medium ones of said tones to generate a record corresponding to the particular channels viewed over a period of time by a television viewer;

    a telephone interconnection to said recording means;

    means for interconnecting said recording means to said telephone subscriber system upon receipt of the interrogation signal to actuate said recording means to cause transmission of said previously recorded tones via said telephone subscriber system to the central station; and

    means for preventing the ringing of said telephone upon receipt of the interrogation signal from the central station.

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