Color misregister amount detection method and apparatus for printed product

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EP 1 980 397 A8

(12)	CORRECTED EUROPEAN PATENT APPLICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 A2)

(48)	Corrigendum issued on:
	26.11.2008 Bulletin 2008/48

(43)	Date of publication:
	15.10.2008 Bulletin 2008/42

(21)	Application number: 08075289.2

(22)	Date of filing: 08.04.2008

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International Patent Classification (IPC):

B41F 33/00^(2006.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA MK RS

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Priority:

11.04.2007 JP 2007104110

(71)	Applicant: Komori Corporation
	Sumida-ku Tokyo (JP)

(72)	Inventors:
	Sugiyama, Masataka Tsukuba-shi, Ibaraki (JP) Inde, Akihiro Tsukuba-shi, Ibaraki (JP) Tanaka, Junichi Tsukuba-shi, Ibaraki (JP) Butsusaka, Yoshihiko Noda-shi, Chiba (JP) Tsumura, Yusuke Noda-shi, Chiba (JP)

(74)	Representative: Wenzel & Kalkoff
	Grubes Allee 26 22143 Hamburg 22143 Hamburg (DE)

(54)	Color misregister amount detection method and apparatus for printed product

(57) Printed product color misregister amount detection method, with a reference register mark including a first color area portion with a predetermined width and a blank portion in contact with the first color area portion is printed in a reference color on a printed product to be printed by a multi-color printing press. A positional shift detection register mark including a second color area portion with a width smaller than that of the first color area portion of the reference register mark is printed in a color other than the reference color to have as a target position a position where the width of the second color area portion falls within the width of the first color area portion of the reference register mark.