Alcohol detection system and method for vehicle
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United States of America Patent
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Jun 19, 2012
Grant Date -
Feb 25, 2010
app pub date -
Aug 10, 2009
filing date -
Aug 19, 2008
priority date (Note) -
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Abstract
An alcohol detection system for a vehicle has an alcohol sensor, for which alcohol measurement preparation processing such as heating the alcohol sensor to a predetermined temperature is performed, so that the alcohol sensor operates under the stable operation state. The alcohol measurement preparation processing is started, before a driver actually gets in the vehicle. For example, the preparation processing is started, when a predetermined manipulation of a driver on the vehicle before entering the vehicle is detected. The manipulation may be unlocking or opening of a vehicle door.
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