Scanning type laser radar system for vehicle

Details Scanning type laser radar system for vehicle Scanning type laser radar system for vehicle

1995-03-10

1997-04-29

Buczinski, Stephen C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

180169, 3561411, 359205, 359208, 359221, G01C 308, G01B 1126, G02B 2608, B60T 716

Patent

active

056254474

ABSTRACT:
A scanning type laser radar system for a vehicle includes a laser beam source, a mirror for forming a beam directed forwardly by reflection of laser beam from the laser beam source, a driving device for driving the mirror for turning movement about an axis vertical to a road surface to laterally scan the beam from the mirror, and a light receiver for receiving beam reflected from an object. In the laser radar system, the reflectance of upper and lower portions of the mirror is set at a value lower than that of a vertically middle portion of the mirror, or the mirror is formed into a shape such that its upper and lower portions are inclined toward the laser beam source. Thus, it is possible to avoid the unnecessary detection of a matter other than an object to be detected to the utmost.

REFERENCES:
patent: 4632543 (1986-12-01), Endo

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