Patent ID: 7299890
Filing Date: 2007-11-27
Classification: B60K,B60R,B60W

Abstract:
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, 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, and wherein the controller is configured to trigger a breath alcohol test of the vehicle operator via the breath analyzer if alcohol is detected through the skin of the operator by the transdermal alcohol sensor.