Distance measuring method and means

Details Distance measuring method and means Distance measuring method and means

1987-05-04

1989-08-15

Rosenberger, Richard A.

Optics: measuring and testing

Range or remote distance finding

Base line instrument

G01C 324

Patent

active

048568945

ABSTRACT:
In the method, relatively inclined beams of light are projected towards the target from spaced locations at the station from which the distance to the target is to be measured. The locations are moved relative to one another along a linear path to bring the illuminated zones on the object together. The spacing of the locations then gives an indication of the distance sought to be measured. Apparatus for carrying out the method is also described.

REFERENCES:
patent: 160823 (1875-03-01), Harrsch
patent: 588093 (1897-08-01), Searle et al.
patent: 2377987 (1945-06-01), Whitmore
patent: 2547232 (1951-04-01), Schwartz et al.
patent: 3002093 (1961-09-01), Kis et al.
patent: 3049963 (1962-08-01), Parsons
patent: 3302293 (1967-02-01), French
patent: 3895870 (1975-07-01), Cullen et al.

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