Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 17, 2015
Patent Application Number
13379763
Date Filed
June 23, 2010
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method of detecting impairment of a driver of a vehicle. The method includes sensing, using a sensor, a position of the driver's head at a plurality of time points; determining, using a microprocessor, changes in the position of the driver's head between the plurality of time points; evaluating, using a microprocessor, whether the changes in the position of the driver's head between the plurality of time points exhibit at least one of a periodic and a quasi-periodic pattern; determining whether the driver is impaired based on the pattern of the changes in the position of the driver's head; and if the driver is impaired, alerting the driver using an alarm.
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