Apparatus mounted on vehicles for detecting road surface conditi

Details Apparatus mounted on vehicles for detecting road surface conditi Apparatus mounted on vehicles for detecting road surface conditi

1986-03-14

1987-03-31

Woodiel, Donald O.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

33551, 356369, 356448, 364550, 364556, G01B 1130

Patent

active

046533168

ABSTRACT:
A road surface is scanned with a laser beam in a direction transverse to the road surface to pick up the scanning locus of the laser beam on the road surface in a direction inclined to a beam scanning surface so as to obtain transverse profile data. The laser light reflected from the road surface is received in a direction inclined to the beam scanning surface for obtaining crack data. The distances to the road at three points in the longitudinal direction of a measuring car are measured. The running distance of the car is measured and the measured distance data are recorded in a recording device together with crack data, transverse profile data and longitudinal profile data.

REFERENCES:
patent: 4571695 (1986-02-01), Elton et al.

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