Distance measuring device having protective cover with selective

Details Distance measuring device having protective cover with selective Distance measuring device having protective cover with selective

1995-09-08

1998-10-20

Font, Frank G.

Optics: measuring and testing

Range or remote distance finding

Triangulation ranging to a point with one projected beam

G01C 304

Patent

active

058254730

ABSTRACT:
A distance measuring device for measuring a distance by receiving, at a light receiving system, a reflected light caused by a light projected from a light projecting system is provided with a protection cover provided on front sides of the light projecting system and the light receiving system and a preventive arrangement for preventing the light projected from the light projecting system from propagating through the protection cover to enter the light receiving system.

REFERENCES:
patent: 4375332 (1983-03-01), Yokota et al.
patent: 4710011 (1987-12-01), Ushiro
patent: 5087935 (1992-02-01), Kaneda et al.
patent: 5488468 (1996-01-01), Kawanishi et al.

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