Device for contact-free measuring of the distance of a surface o

Details Device for contact-free measuring of the distance of a surface o Device for contact-free measuring of the distance of a surface o

1978-08-11

1980-07-15

Buczinski, S. C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 4, 356381, G01C 300, G01C 308

Patent

active

042125340

ABSTRACT:
A device for contact-free measuring of the distance of an object surface from a reference plane by deflecting a beam of light in a path and detecting a beam reflected along a given line of sight by a detector characterized by providing means for measuring the interval of time for travel of the deflected light beam between at least two specific directions of the beam and between at least one of the two directions and a direction at which the photo detector responds and utilizes the time intervals to determine the speed of deflection and determine the distance of the surface from the reference plane.

REFERENCES:
patent: 3923395 (1975-12-01), Bodlaj
patent: 3954335 (1976-05-01), Bodlaj
patent: 4053227 (1977-10-01), Bodlaj

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