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Title:
TRANSMISSION-TYPE COLOR CALIBRATION CHART AND CALIBRATION SLIDE GLASS
Document Type and Number:
WIPO Patent Application WO/2017/170910
Kind Code:
A1
Abstract:
A transmission-type color calibration chart comprising a transparent substrate and a color bar group formed on the transparent substrate, characterized in that the color bar group is configured from a patterned arrangement of randomly ordered color bars of a plurality of colors including at least a first color and a second color, wherein the first color has a coordinate point in a region enclosed by four points on an xy chromaticity diagram, namely (0.351, 0.649), (0.547, 0.453), (0.380, 0.506), and (0.433, 0.464), and the second color has a coordinate point in a region enclosed by four points on the xy chromaticity diagram, namely (0.125, 0.489), (0.112, 0.229), (0.270, 0.407), and (0.224, 0.242), wherein the transmission spectrum of the color bar of the first color and the transmission spectrum of the color bar of the second color have separate peak tops.

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Inventors:
OGINO YOSHIHIKO (JP)
KAJIMURA YOICHI (JP)
SAHARA TAKAHIRO (JP)
TAGUCHI KUNIO (JP)
SASAGAWA YASUSHI (JP)
MIZUNO HITOSHI (JP)
MITANI SHOTA (JP)
Application Number:
PCT/JP2017/013358
Publication Date:
October 05, 2017
Filing Date:
March 30, 2017
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
G01J3/52; G01N21/27; G02B5/20; G02B21/34
Foreign References:
JP2013088226A2013-05-13
JP2003172659A2003-06-20
JP2015102708A2015-06-04
JP2013134170A2013-07-08
US20130262008A12013-10-03
JP2010151830A2010-07-08
Other References:
KRETKOWSKI, M. ET AL.: "Development of an XYZ Digital Camera with Embedded Color Calibration System for Accurate Color Acquisition", IEICE TRANS. INF. & SYST., vol. 93 -D, no. 3, March 2010 (2010-03-01), pages 651 - 653, XP055429170
See also references of EP 3454024A4
Attorney, Agent or Firm:
YAMASHITA, Akihiko et al. (JP)
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