Optics: measuring and testing – By polarized light examination – With light attenuation
Patent
1988-05-10
1991-01-29
Turner, Samuel
Optics: measuring and testing
By polarized light examination
With light attenuation
250202, 318577, 36447430, 382 60, G01B 1124
Patent
active
049882007
ABSTRACT:
Apparatus for automatic tracking and contour measurement comprising electro-optical sensing apparatus mounted on a CNC machining head for providing an output indication of contours of an object in the precise frame of reference of the CNC machining head.
REFERENCES:
patent: 3671937 (1972-06-01), Takahashi et al.
patent: 4160199 (1979-07-01), Bardwell
patent: 4396832 (1983-08-01), Henderson
patent: 4578574 (1986-03-01), Grant et al.
Israel Aircraft Industries Ltd.
Turner Samuel
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