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Electrochemical carbon monoxide sensor supervision

  • US 8,066,859 B2
  • Filed: 10/27/2008
  • Issued: 11/29/2011
  • Est. Priority Date: 10/25/2007
  • Status: Active Grant
First Claim
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1. A gas detection unit, comprising:

  • a carbon monoxide sensor; and

    a sensor supervision circuit including a means for accessing a status of the carbon monoxide sensora means for providing a voltage charge to the carbon monoxide sensor, and means for reading a change in the voltage charge of the carbon monoxide sensor between a first and second time point.

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