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Carbon monoxide and smoke detection apparatus

  • US 20020044061A1
  • Filed: 12/07/2001
  • Published: 04/18/2002
  • Est. Priority Date: 08/07/1997
  • Status: Abandoned Application
First Claim
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1. A self-contained, combined, gas and smoke detector comprising:

  • a gas sensor;

    a smoke sensor;

    a programmed control element coupled to both of the sensors;

    a housing which defines an internal region for receiving the sensors and the control element wherein the housing is perforated with a first opening shaped as a fire; and

    a removable protective planar element, covering at least a part of the gas sensor within the housing wherein the element is applied during manufacture and is removed once the detector has been placed into service.

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