Method of marking a line along a roadway

Details Method of marking a line along a roadway Method of marking a line along a roadway

1977-06-01

1979-09-11

Smith, Ronald H.

Coating processes

Coating pavement or the earth

Striping, marking, or increasing reflectivity

239150, B05C 116, E01C 500

Patent

active

041675924

ABSTRACT:
A method and apparatus for marking a line, such as the centerline, 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.

REFERENCES:
patent: 3101175 (1963-08-01), Brown
patent: 3882268 (1975-05-01), Ogawa et al.

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