METHOD AND A DEVICE FOR CONTROLLING PRINTING OF GRAPHICAL INFORMATION
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United States of America Patent
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Issued Date -
Jun 23, 2011
app pub date -
Jun 24, 2009
filing date -
Jun 27, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method for controlling printing of graphical information in combination with a coding pattern, wherein the graphical information and the coding pattern are to be printed with separate inks, the coding pattern being printed using a black ink corresponding to a K component of a CMYK colour space and the graphical information being printed using colour inks corresponding to the CMY components, comprises: receiving a representation of the graphical information in RGB colour space, the representation comprising a set of elements making up the graphical information, each element comprising R, G and B component values together representing the colour of the element; and transforming the representation of the graphical information, said transformation mapping the R, G and B component values onto a range of values which is outside a domain where said black ink will be mixed by a printer into said colour inks during printing of the graphical information.
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