Process and apparatus for the separate evaluation of image conte

Details Process and apparatus for the separate evaluation of image conte Process and apparatus for the separate evaluation of image conte

1977-08-23

1980-03-04

Corbin, John K.

Optics: measuring and testing

By polarized light examination

With light attenuation

350173, 356 28, H04N 718

Patent

active

041914775

ABSTRACT:
A method for separately evaluating the contents of an image in two coordinate directions of motion by splitting and then reflecting the received image so that the images may be separately analyzed.
An apparatus for performing the method which comprises a beam splitter, a reflector and a correlating grid.
A method of measuring distance by using the apparatus of the invention is also disclosed.

REFERENCES:
patent: 1947668 (1934-02-01), Warmisham
patent: 2315783 (1943-04-01), Gilmore
patent: 3833299 (1974-09-01), Lang
patent: 3856401 (1974-12-01), Heitman et al.
patent: 3904295 (1975-09-01), Hock et al.
patent: 3943359 (1976-03-01), Matsumoto et al.
patent: 3989384 (1976-11-01), Friedman

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