A Driver Drowsiness Detection and Alerting System
First Claim
1. A driver drowsiness detection and alerting system comprising a plurality of marks in ring configuration around an exterior cylindrical surface of a vehicle'"'"'s steering wheel column assembly, and an optical sensor assembly near the plurality of marks which detect movement of the marks, the optical sensor assembly connected to a device that alerts the driver if the steering wheel does not move for a prescribed time period while the motor vehicle is moving,wherein the optical sensor assembly comprises a optical detector and a light emitter adjacent to each other.
1 Assignment
0 Petitions
Accused Products
Abstract
A driver drowsiness detection and alerting system has a plurality of marks in a ring configuration around an exterior cylindrical surface of a vehicle'"'"'s steering wheel column assembly. An optical sensor assembly is located near the plurality of marks for detecting movement of the marks. The optical sensor assembly is connected to a device for alerting the driver if the steering wheel does not move for a prescribed time period while the motor vehicle is moving. The optical sensor assembly has an optical detector and a light emitter adjacent to each other. Additionally, the present invention relates to a kit of parts for such driver drowsiness detection and alerting system.
4 Citations
15 Claims
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1. A driver drowsiness detection and alerting system comprising a plurality of marks in ring configuration around an exterior cylindrical surface of a vehicle'"'"'s steering wheel column assembly, and an optical sensor assembly near the plurality of marks which detect movement of the marks, the optical sensor assembly connected to a device that alerts the driver if the steering wheel does not move for a prescribed time period while the motor vehicle is moving,
wherein the optical sensor assembly comprises a optical detector and a light emitter adjacent to each other.
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9. A kit of parts for a driver drowsiness detection and alerting system comprising:
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a carrier bearing a plurality of marks fixed around an exterior cylindrical surface of a part of a vehicle'"'"'s steering wheel column assembly, an optical sensor assembly mounted near the plurality of marks, said optical sensor assembly detects movement of the marks and connects to a device to alert the driver if the steering wheel does not move for a prescribed time period while the motor vehicle is moving, wherein the optical sensor assembly comprises a optical detector and a light emitter adjacent to each other. - View Dependent Claims (10, 11, 12, 13, 14)
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Specification