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Multiple input/output video switch for commerical insertion system

DC
  • US 4,814,883 A
  • Filed: 01/04/1988
  • Issued: 03/21/1989
  • Est. Priority Date: 01/04/1988
  • Status: Expired due to Term
First Claim
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1. A multiple input video switch system for selecting one video composite signal from a group of a programmed channel signal, a commercial insert video signal and a local video signal, said programmed channel signal and said commercial insert signal respectively sent via first and second telecommunications networks, and the switch system being remotely controlled by first, second and third channel switch commands sent via said second telecommunications network, the switch system comprising:

  • means for generating said local video signal; and

    ,video switch means for receiving at three respective video inputs, said programmed channel signal from said first telecommunications network, said commercial insert signal from said second telecommunications network and said local video signal and for respectively applying the same at a video output based upon receipt of said first, second and third switch commands, from said second telecommunications network, at a control input of the video switch means.

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