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Patent
Title
Vorrichtung und Verfahren zur Oberflaechenqualitaetspruefung
Other Title
Metal sheet surface quality inspection method uses pulsed light and line scan camera
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.
Inventor(s)
Paul, D.
Piironen, T.
Kontio, P.
Patent Number
1999-252011
Publication Date
2000
Language
German