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Vorrichtung und Verfahren zur Oberflaechenqualitaetspruefung

Metal sheet surface quality inspection method uses pulsed light and line scan camera
 
: Paul, D.; Piironen, T.; Kontio, P.

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Frontpage ()

US 1999-252011 A: 19990218
EP 2000-660024 A: 20000215
EP 1030173 A1: 20000823
G01N0021
Deutsch
Patent, Elektronische Publikation
Fraunhofer IITB ( IOSB) ()

Abstract
NOVELTY - A surface region is illuminated from three directions and imaged as lines with a line scan camera (21). The camera is synchronized with the light sources (10-12) which each pulse at different times, with a frequency greater than 1kHz.
DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for an arrangement for inspecting the surface of a moving object.
USE - For inspection of strip or sheet like surfaces, such as rolled metal products.
ADVANTAGE - Ability to differentiate between different surface anomalies.

: http://publica.fraunhofer.de/dokumente/B-63714.html