Sobriety testing apparatus having OBD-II connection capability
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United States of America Patent
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Feb 8, 2005
Grant Date -
Aug 12, 2004
app pub date -
Feb 11, 2003
filing date -
Feb 11, 2003
priority date (Note) -
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Abstract
A sobriety interlock system having an alcohol detection device electrically connected to a computing device is provided. An electronic circuit is electrically connected between the computing device and an OBD-II port on a machine for receiving data related to operation of the machine. A breath sample is provided by an operator of the machine and the alcohol detection device determines the alcohol concentration of the breath sample. The computing device determines a blood alcohol concentration for the operator based on the breath alcohol concentration, and the computing device prevents or allows operation of the machine based on the level of the blood alcohol concentration. A memory device stores machine operation data received through the OBD-II port.
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