Ink splitting correction method
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United States of America Patent
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Feb 22, 2011
Grant Date -
Aug 21, 2008
app pub date -
Jan 29, 2008
filing date -
Feb 15, 2007
priority date (Note) -
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Abstract
A method for the correction of measurement errors caused by surface effects induced by ink splitting during the color measurement of a printed sheet on a running printing device, includes scanning the printed sheet photoelectrically point by point and forming color and/or density measured values from scanning signals from the scanned points. Those scanned points which have a brightness exceeding a limiting value are identified, and the measured values are corrected by using the identified scanned points. In particular, during the formation of the color and/or density measured values, the scanning signals from the identified scanned points are not taken into account.
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