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Closed circuit television apparatus for supervisory system

DC
  • US 4,943,864 A
  • Filed: 11/14/1988
  • Issued: 07/24/1990
  • Est. Priority Date: 02/25/1988
  • Status: Expired due to Term
First Claim
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1. A closed circuit television apparatus comprising:

  • a plurality of transmitting means for generating video signals;

    a receiving means for receiving said video signals;

    a switching means for selectively connecting said transmitting means to the receiving means;

    each of said transmitting means including a television camera to which a specific code is allotted, a circuit for generating code signals corresponding to said specific code, and a circuit for generating composite signals wherein the code signals are injected into the video signals; and

    said receiving means including a circuit for receiving said composite signals, for extracting said code signals from the received composite signals and for generating display signals identifying the television camera corresponding to the extracted code signals, and a receiver for displaying visually information corresponding to said display signals together with reproduced images or pictures corresponding to said video signals.

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