Interactive blood-alcohol content tester
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United States of America Patent
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Aug 26, 2014
Grant Date -
Jun 21, 2012
app pub date -
Dec 13, 2011
filing date -
Dec 13, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A blood-alcohol content (BAC) tester for use at a facility serving alcohol. The BAC tester includes a breath-sampling unit having an air-chamber unit defining a closed position and an open position. The air-chamber unit has a first air-chamber block and a second air-chamber block, the first air-chamber block and the second air-chamber block defining an air chamber for receiving air exhaled from a user. The breath-sampling unit also includes a drive unit coupled to the second air-chamber block and an alcohol sensor. The BAC tester also includes a sensor circuit communicatively coupled to the drive unit and the alcohol sensor. The sensor circuit is configured to cause the drive unit to move the second-air chamber block relative to the first air-chamber block so as to cause the air-chamber unit to be in the closed or the open position.
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