Surface quality analyzer apparatus and method

Details Surface quality analyzer apparatus and method Surface quality analyzer apparatus and method

1990-09-07

1992-06-16

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356448, G01N 2186, G01V 904

Patent

active

051226723

ABSTRACT:
Method and apparatus for measuring the quality of a finished surface by projecting a pair of parallel light beams onto the surface and reflecting the beams alongside a reference beam onto an image screen where they are electronically recorded and analyzed against the reference image.

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