Highway premarking guidance system

Details Highway premarking guidance system Highway premarking guidance system

E - Fixed Constructions

01

C

94/15, 33/65

E01C 23/16 (2006.01)

Patent

CA 1079106

ABSTRACT OF THE DISCLOSURE A method and apparatus for marking a line, such as the centreline, along a roadway, using a vehicle carrying paint marking apparatus, in which a pair of television cameras, one mounted on each side of the vehicle, view the edges of the roadway and project the images onto a split screen. By keeping the images on the screen in a predetermined relationship the operator can steer the vehicle in a path along the roadway uniformly spaced from its edges. Preferably a third camera, centrally located on the vehicle, views the vanishing point of the roadway when straight and the image of the vanishing point is registered with a predetermined mark associated with the screen.

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