Traffic monitoring device

Details Traffic monitoring device Traffic monitoring device

1988-08-11

1991-01-29

Orsino, Joseph A.

Communications: electrical

Vehicle detectors

Speed and overspeed

340937, G08G 101

Patent

active

049889940

ABSTRACT:
A traffic monitoring device mounted in a moving monitoring vehicle comprises a radar device for measuring the relative speed of a vehicle to be detected with respect to the speed of the monitoring vehicle. A speedometer measures the speed of the monitoring vehicle. By means of a releasing mechanism automatically triggered at adjustable limit speeds, a camera is released and the vehicle to be detected is photographed. The relative speed of the vehicle to be detected and the speed of the monitoring device are added in summing means. The sum then corresponds to the absolute speed of the vehicle to be detected. The camera is not released dependent on the relative speed but on the absolute speed of the vehicle to be detected. Thereby, all vehicles exceeding an allowed speed are detected without taking an unnecessary number of pictures.

REFERENCES:
patent: 3165373 (1965-01-01), Scott
patent: 3680043 (1972-07-01), Angeloni
patent: 4335383 (1982-06-01), Berry
Hewer, John "High Technology Instruments Foils Hasty", Aug. 1979, pp. 30 and 31.
Gatso Meter (brochure), type 24-the Netherlands, Apr. 1988.

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