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Separation type detector with addressed selection

  • US 4,701,625 A
  • Filed: 07/03/1986
  • Issued: 10/20/1987
  • Est. Priority Date: 09/02/1985
  • Status: Expired due to Term
First Claim
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1. A separation type atmospheric detector system, comprising:

  • a central monitor connecting to a transmission line;

    detection means connected to the transmission line for detecting an atmospheric abnormality according to changes in at least one pulse transmitted from a transmission unit to a reception unit of the detection means, said detection means sending an abnormality signal to the central monitor through said transmission line;

    the transmission unit and reception unit of the detection means comprising an associated pair in proximity to one another and each of the transmission and reception units having means for assigning a same given address to each unit of the pair; and

    said transmission unit and reception unit each having means for being synchronously operated with respect to one another in response to a command from said central monitor.

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