Method and apparatus for monitoring and control alertness of a driver
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United States of America Patent
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Sep 22, 2015
Grant Date -
Jun 19, 2014
app pub date -
Mar 8, 2012
filing date -
Mar 11, 2011
priority date (Note) -
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Abstract
A method for monitoring the alertness of the driver of a vehicle, includes continuously detecting and evaluating at least one physical parameter of the driver while the vehicle is in motion, and transmitting a periodic audio signal with a predetermined frequency into a vehicle interior within a predetermined time period if the evaluated physical parameter is in a critical range, whereby the critical range indicates an appropriate level of fatigue of the driver. An apparatus for monitoring the alertness includes a monitoring unit with a sensor unit, which detects at least one physical parameter of the driver, and an evaluation unit, which evaluates the detected physical parameter while the vehicle is in motion. The evaluation unit is coupled to an audio device, which transmits a periodic audio signal into a vehicle interior within a predetermined time if the evaluated physical parameter is in a critical range.
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