G - Physics – 08 – B
Patent
G - Physics
08
B
33/50, 340/123.5
G08B 1/08 (2006.01) G01B 11/06 (2006.01)
Patent
CA 1273077
TITLE APPARATUS FOR MONITORING THICKNESS VARIATIONS IN A FILM WEB ABSTRACT OF THE DISCLOSURE An optical inspection apparatus using a polychromatic source to generate a channeled spectrum for measuring the variations in the thicken of a thin transparent web as the web moves on-line with respect to an optical inspection station.
524584
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
Robertson Charles W. Jr.
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