METHOD FOR AUTOMATIC CONTROLLING OF MULTICOLOR IMAGE PRINTING QUALITY Russian patent published in 2002 - IPC

Abstract RU 2191117 C2

FIELD: printing. SUBSTANCE: method involves passing paper sheet with multicolor image under control in front of optoelectronic apparatus for reading out three color channels and transmitting three related output signals of image under control and reference image. Said signals are perceived by unit, which generates signal as function F providing enhanced revealing of differences between image under control and reference image. Signal generated as function F is delivered to image printing quality control unit. EFFECT: improved revealing of faults on printed image. 10 cl, 2 dwg

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RU 2 191 117 C2

Authors

Stringa Luidzhi

Dates

2002-10-20—Published

1997-03-20—Filed