Apparatus and method for measuring the distance to an object

Details Apparatus and method for measuring the distance to an object Apparatus and method for measuring the distance to an object

1985-03-26

1987-10-13

Gellner, Michael L.

Optics: measuring and testing

Range or remote distance finding

With photodetection

G01C 308

Patent

active

046995072

ABSTRACT:
An apparatus and method for measuring the distance to a desired light-reflecting object capable of recognizes erroneous measurements due to the presence of light-reflecting particle suspended in the air, wherein the range of intensity of reflected light achievable by air-borne particles is previously stored and output of the distance to the light-reflecting object is inhibited when the intensity of reflected light falls within the above-described range of intensity of reflected light.

REFERENCES:
patent: 4174177 (1979-11-01), Gardner et al.

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