Geometrical instruments – Straight-line light ray type – Structurally installed
Patent
1986-02-18
1987-07-07
Haroian, Harry N.
Geometrical instruments
Straight-line light ray type
Structurally installed
G01C 2104
Patent
active
046777539
ABSTRACT:
A Collision Risk Assessment System employs a plurality of sights located in front of and to the rear of a vehicle which may be an automobile, boat, plane etc. The sights may be in groups of three sights allowing the vehicle's operator to locate the center and the sides of the vehicle to the front and rear relative to the roadway, waterway, etc. The sights are laterally adjustable and are illuminated. The lateral adjustment permits the sights to be located as a function of the size of the vehicle's operator.
REFERENCES:
patent: 1871532 (1932-08-01), Kenna
patent: 3834038 (1974-09-01), Scarritt
patent: 4257706 (1981-03-01), Smith
patent: 4471415 (1984-09-01), Larson
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