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Apparatus for building environmental reporting and control

  • US 5,798,945 A
  • Filed: 12/03/1996
  • Issued: 08/25/1998
  • Est. Priority Date: 06/09/1994
  • Status: Expired due to Fees
First Claim
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1. An apparatus for building gas concentration reporting comprising, in combination:

  • a gas sensor that reports a concentration value of a target gas;

    an electrical circuit connected to said gas sensor, said circuit determining the concentration value from said gas sensor;

    a powerline carrier transmitter connected to said electrical circuit;

    an enclosure containing said gas sensor and said electrical circuit with a pair of protruding metal prongs, said prongs of the type that insert into standard building power receptacles, whereby, with said prongs inserted into a building power receptacle, electrical signals from said powerline carrier transmitter pass into said building power system reporting said concentration value.

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