Drowsy driver detection system

Details Drowsy driver detection system Drowsy driver detection system

1998-04-21

1999-05-04

Mullen, Thomas

Communications: electrical

Condition responsive indicating system

Specific condition

180272, G08B 2300

Patent

active

059008199

ABSTRACT:
A system for detecting a drowsy driver includes an axle with a sensor for measuring the movement of the axle and for producing an axle signal. The sensor typically measures any or all of the following: the lateral acceleration of the axle, the fore-aft acceleration of the axle, or the vehicle speed. A central processing unit compares the axle signal derived from the sensor measurements to a pre-determined drowsy threshold and an indicator indicates to the driver that drowsiness has been detected when the axle signal exceeds the pre-determined drowsy threshold.

REFERENCES:
patent: 5383680 (1995-01-01), Bock et al.
patent: 5539397 (1996-07-01), Asanuma et al.
patent: 5709281 (1998-01-01), Sherwin et al.
patent: 5798695 (1998-08-01), Metalis et al.

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