Patent ID: 6426702
Filing Date: 2002-07-30
Classification: G08B

Abstract:
A device for alerting a driver of an automotive vehicle as to the onset of fatigue, characterized by eyelid droop, head droop and a like condition wherein the eyes of a driver are not directed straight ahead onto the road, said device comprising:a housing adapted to be affixed to a portion of the automotive vehicle so as to be located at the upper periphery of the field of vision of the driver, said housing comprising: an indicator lamp viewable by the driver in the upper periphery of the field of vision of the driver, an electrical control circuit for controlling illumination of said indicator lamp so as to provide illumination thereof after passage of a predetermined time interval, a driver controlled reset switch for providing resetting of said time interval upon depression thereof by the driver; and alarm means for producing an alarm signal when said indicator lamp has been illuminated after the passage of said predetermined time interval and said reset switch has not been depressed after passage of a further predetermined time period; said electrical control circuit including counter means for counting and recording the number of times that said indicator lamp is illuminated.