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Alarm with CO and smoke sensors

  • US 20080211678A1
  • Filed: 03/02/2007
  • Published: 09/04/2008
  • Est. Priority Date: 03/02/2007
  • Status: Active Grant
First Claim
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1. A life safety device comprising:

  • a smoke sensor for producing a smoke sensor signal;

    a carbon monoxide (CO) sensor for producing a CO sensor signal;

    a controller for controlling generation of a smoke alarm based upon the smoke sensor signal and the CO sensor signal, the controller adaptively adjusting sensitivity to the smoke sensor signal as a function of the smoke sensor signal and the CO sensor signal.

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