One-way traffic monitor

Details One-way traffic monitor One-way traffic monitor

1992-06-26

1993-04-20

Focarino, Margaret A.

Motor vehicles

With means for controlling operation responsive to...

Radiation, force, or waves reflected from external object or...

340935, B60T 712

Patent

active

052034224

ABSTRACT:
A monitor system detects and disables a vehicle driving the wrong way on a one-way road or traffic lane. An alarm warns the driver of the unsafe condition and operation of the vehicle four-way flasher warns other motorists. The system includes a light transmitter and receiver, and controls to disable the vehicle and operate the alarm and four-way flasher. Light is transmitted forward, where it may strike a reflector mounted on a post or other structure associated with the road or lane being monitored. Upon detecting reflected light, the system operates. The system is reset after operation by using the ignition switch to start the engine. Selection of reverse gear overrides the system, permitting a vehicle to back away from a directionally restricted road or traffic lane.

REFERENCES:
patent: 2896089 (1959-07-01), Wesch
patent: 3112004 (1963-11-01), Neaville
patent: 3559756 (1971-02-01), Torres
patent: 3898652 (1975-08-01), Rashid
patent: 4073359 (1978-02-01), Fujiki et al.
patent: 4407388 (1983-10-01), Steel
patent: 4566032 (1986-01-01), Hirooka et al.

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