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Vehicle ignition interlock systems having transdermal alcohol sensor

  • US 20060237252A1
  • Filed: 04/25/2005
  • Published: 10/26/2006
  • Est. Priority Date: 04/25/2005
  • Status: Active Grant
First Claim
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1. A vehicle ignition interlock system, comprising:

  • a breath analyzer located within a vehicle, wherein the breath analyzer is configured to detect breath alcohol levels of an operator of the vehicle;

    a transdermal alcohol sensor configured to be worn by the vehicle operator, wherein the transdermal alcohol sensor is configured to detect alcohol through the skin of the vehicle operator; and

    a controller operably connected to the breath analyzer, to the transdermal alcohol sensor, and to an ignition system of the vehicle, wherein the controller is configured to compare detected breath alcohol levels of the vehicle operator with a threshold value, and wherein the controller is configured to prevent vehicle ignition if a breath alcohol level detected by the breath analyzer is greater than or equal to the threshold value.

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