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Television advertising editing system

  • US 4,259,689 A
  • Filed: 05/11/1979
  • Issued: 03/31/1981
  • Est. Priority Date: 05/11/1979
  • Status: Expired due to Term
First Claim
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1. A television advertising editing system comprising, in combination, control means for controlling the audio output of a television set, video signal detecting means, means for connecting said video signal detecting means to a video circuit of said television set for receiving the video signal in said television set, monitoring means coupled to said video signal detecting means for monitoring the video signal received by said video signal detecting means to provide an output voltage signal indicating the absence of picture information in the video signal during the interval between program material and commercial material, voltage responsive means coupled between said control means and said monitoring means and responsive to the output voltage signal to actuate said control means for controlling the audio output of the television set.

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