Process and apparatus for determining the condition of a road surface

In a process for determining the condition of a road surface, light is beamed onto the road surface and backscattered light is detected and spectrally analyzed. The light beam contains two light fractions, one having wavelength range which is not significantly absorbed by water/ice and another havin...

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Bibliographische Detailangaben
Hauptverfasser:	GRIESINGER, MANFRED
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS METEOROLOGY PERFORMING OPERATIONS PHYSICS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES SIGNALLING TESTING TRAFFIC CONTROL SYSTEMS TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL
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