Apparatus mounted on vehicles for detecting road surface...

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

G - Physics

01

B

73/58, 88/96

G01B 11/30 (2006.01)

Patent

CA 1259834

ABSTRACT OF THE DISCLOSURE 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.

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