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Infrared communication system and method

  • US 7,242,292 B2
  • Filed: 12/11/2003
  • Issued: 07/10/2007
  • Est. Priority Date: 12/11/2003
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a plurality of spaced apart nodes, the nodes each include communications circuitry and can communicate with one another via a medium;

    at least some of the nodes each include a receiver of wireless communications from a displaced source and circuitry for determining if the respective receiving node is a final recipient of a received communication where,at least some of the nodes include at least one sensor selected from a class which includes heat sensors, flame sensors, smoke sensors and gas sensors with one of the nodes comprising a common control element where the common control element includes a graphical output device for operator information;

    where the receiver of wireless communications includes a second sensor of incident radiant energy;

    a portable source of radiant energy signals; and

    where the portable source includes circuitry for specifying a message recipient.

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