Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 16, 2008
Patent Application Number
10572269
Date Filed
September 16, 2004
Patent Primary Examiner
Patent abstract
The present invention relates to a sheet-surface analyser (10) including illuminating means (32) for casting shadows on the sheet-surface; capturing means (36) for capturing an image of the shadows; analysing means (40) for analysing the captured image to thereby analyse the sheet surface; and curving means (22) for curving the sheet, wherein the illuminating means and the curving means are configured to enable the illuminating means to cast shadows on a curved part of said sheet-surface, and the capturing means is configured to capture said shadow-image.
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