Patch codes for color calibration job identification encoding

Details Patch codes for color calibration job identification encoding Patch codes for color calibration job identification encoding

B - Operations, Transporting

41

J

B41J 29/393 (2006.01) G01J 3/02 (2006.01) G01J 3/52 (2006.01) G06F 3/12 (2006.01)

Patent

CA 2360989

A color calibration job identification system and method are provided, wherein the job identification data is encoded on a printed page, in a patch code, along with color targets, according to a protocol and format approximately identical to a format of the color targets. The patch code comprises a first portion, including a start code, and a second portion, including job identification data. The first portion of the patch code is comprised of two or more small color patches, each having a predefined color. The second portion of the patch code is comprised of two or more small color patches wherein each of the patches is comprised of a color selected from a plurality of colors, wherein each of the colors is indicative of a unique datum value, preferably an octal digit. The system provides a means for determining correct functioning of a printer and a means for determining an orientation of a printed page in a scanning device.

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