Distance indicating mirror

Details Distance indicating mirror Distance indicating mirror

1994-06-08

1995-05-23

Evans, F. L.

Optics: measuring and testing

Range or remote distance finding

External basis type

359838, G01C 300, G02B 510

Patent

active

054186102

ABSTRACT:
A vehicle mirror having an image reflecting surface and a distance indicating light reflective indicia of contrasting reflectivity to the image reflecting surface, the indicia being located in such a position on the mirror that when a just passed vehicle appears on the mirror at a certain location with respect to the indicia, it is safe to pull over into the lane in front of the just passed vehicle. One embodiment of the distance indicating indicia is a reflective horizontal line located below the center of the mirror.

REFERENCES:
patent: 1887144 (1932-11-01), Wilczynski
patent: 2881655 (1959-04-01), Eisenschink
patent: 4023029 (1977-05-01), Fischer
patent: 4223983 (1983-09-01), Bloom
patent: 4330120 (1982-05-01), Netti
patent: 4693030 (1987-09-01), Wohead
patent: 4860477 (1989-08-01), Gooch
patent: 5189537 (1993-02-01), O'Farrell

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