Optical adapter for a light-wave rangefinder

Details Optical adapter for a light-wave rangefinder Optical adapter for a light-wave rangefinder

1986-01-06

1987-09-08

Hix, L. T.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356375, 73293, G01F 2300, G01B 1114

Patent

active

046920234

ABSTRACT:
An optical adapter for a light-wave rangefinder comprising a light emitting means for emitting a distance measuring light wave modulated by a predetermined modulation frequency, and a light receiving means for receiving a reflecting light wave reflecting from a target point to which the distance measuring light wave is directed, wherein a time delay between the distance measuring light wave and the reflecting light wave is utilized to determine the distance to the target point, the optical adapter comprising at least one photoconduction means for conducting distance measuring light wave and the reflecting light wave, and at least one single objective optical means for projecting the distance measuring light wave from the photoconduction means towards the target point, for condensing the reflecting light wave reflecting form the target point and for guiding the light wave to the photoconduction means.

REFERENCES:
patent: 3521956 (1970-07-01), Froome et al.
patent: 3663822 (1972-05-01), Uchida
patent: 4287427 (1981-09-01), Scifres
patent: 4325638 (1982-04-01), Takeda et al.
patent: 4413904 (1983-11-01), Hamada et al.
patent: 4420250 (1983-12-01), Kompa
patent: 4451146 (1984-05-01), Grage et al.
patent: 4498764 (1985-02-01), Bolkow et al.

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