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TOBACCO SMOKE DETECTOR, HAZARD DETECTOR, AND METHOD OF DISTINGUISHING TOBACCO SMOKE FROM FIRE SMOKE

  • US 20140361901A1
  • Filed: 06/10/2014
  • Published: 12/11/2014
  • Est. Priority Date: 06/10/2013
  • Status: Abandoned Application
First Claim
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1. A tobacco smoke detector, comprising:

  • a gas-sensitive semiconductor sensor device having a first gas-sensitive layer which reacts to tobacco smoke, and a second gas-sensitive layer which reacts to fire products;

    an evaluation unit for analyzing signals supplied by said first and second gas-sensitive layers and for determining whether the tobacco smoke is present; and

    an interface for connecting to a hazard detector, a hazard control unit and/or an output device via further signals or data technology, including a transmission of information as to whether the tobacco smoke is present.

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