Browsing by Subject "G01B 11/028 (20130101)"
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Fiber Optic Web Edge Sensor
(U.S. Patent and Trademark Office, 2012-12-04)A web edge sensor is disclosed. The web edge sensor has a light source directing light incident to an edge of a web. The edge of the web scatters the light and a sensor array that detects a first portion of the light ...