Highway premarking guidance system

Details Highway premarking guidance system Highway premarking guidance system

1978-11-06

1981-01-27

Griffin, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 718

Patent

active

042478707

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, Jr.
patent: 3180932 (1965-04-01), Oppenheimer
patent: 3511926 (1970-05-01), Lami
patent: 3567853 (1971-03-01), Green
patent: 3689695 (1972-09-01), Rosenfield et al.
patent: 3882268 (1975-05-01), Ogawa et al.

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