Steering-wheel reversal driver alertness monitor

Details Steering-wheel reversal driver alertness monitor Steering-wheel reversal driver alertness monitor

1976-08-19

1978-08-01

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

180 99, G08B 2100, B60R 2700

Patent

active

041046218

ABSTRACT:
A driving assurance system for an automotive vehicle includes a steering detector which generates an electrical pulse in response to each angular movement of the steering wheel exceeding an arcuate extent less than 10.degree.. A monostable multivibrator is connected to the steering detector to generate an output pulse in response to the first one of such pulses generated by a single steering operation so that the output from the multivibrator may represent a single steering operation. The output from the multivibrator is counted for a predetermined period to determine the state of the driver to operate a warning signal when he becomes incapacitated.

REFERENCES:
patent: 3106981 (1963-10-01), Chakiris
patent: 3980999 (1976-09-01), Nishioka et al.
patent: 4005398 (1977-01-01), Inoue et al.
patent: 4017843 (1977-04-01), Yanagishima

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