Method of Preventing the Formation of Inkjet Printing Artifacts
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United States of America Patent
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Issued Date -
May 27, 2010
app pub date -
Oct 17, 2007
filing date -
Oct 17, 2006
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Abstract
A method for compensating for a tendency for droplets deposited by a plurality of nozzles of an ink jet printer to merge in the direction of printing on a substrate, comprising: identifying lines of pixels to be printed by each nozzle which have a grey level greater than a first threshold value; selecting certain of those pixels which are separated by a distance in the printing direction determined by a probability function and reducing the grey level of those certain pixels below a second threshold value so as to prevent merging of drops in the printing direction.
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