G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 3/12 (2006.01) G06K 15/02 (2006.01)
Patent
CA 2235015
This invention is directed to a method and system for real time colour calibration and correction during a colour printing run that is by an RTC computer. This method involves creating a computer generated output file that is loaded onto the RTC computer, modifying the file as needed to remove any extraneous data, scanning the file in order to preset colour keys and set the RTC scanning controller with initial colour values, preparing a high resolution colour proof, determining suitable areas within the image region of the proof for use as calibration points that are monitored during the printing run, selecting a printed output during the printing run, scanning the pre-selected suitable areas of this printed output, storing the information within the RTC scanning controller and sending the information to the RTC computer for comparison with the initial colour values, and adjusting the required colour keys to correct for any differences noted in the printed output. The use of the RTC system ensures real time colour correction during a printing run with minimum down time and colour consistency over an entire print run. This is especially useful for large printing jobs where colour consistency is an issue and difficult to maintain.
Desborough Mark
Gowling Lafleur Henderson Llp
LandOfFree
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