Title:
PRINTED MEDIUM INSPECTION SYSTEM USING IMAGE PROCESSING, AUTHENTICITY DETERMINATION METHOD FOR PRINTED MEDIUM, AND IMAGE PICKUP APPARATUS THEREFOR
Document Type and Number:
WIPO Patent Application WO/2012/007811
Kind Code:
A2
Abstract:
A first pattern (27a) printed in a first ink containing an infrared-absorbing pigment and a colour-changing pigment and a second pattern (27b) printed in a second ink containing an infrared-reflecting pigment and a colour-changing pigment are printed on the surface of an authentic printed medium (2), a plurality of first images of the surface of a printed medium are picked up while changing the irradiation angle of a source of visible light, as well as a plurality of second images of the surface of the printed medium being picked up while changing the irradiation angle of a source of infrared light, all of the image data is compared with data corresponding to the first pattern and the second pattern, and the print medium is determined to be authentic when data corresponding to the first pattern and data corresponding to the second pattern are present in one part of the first image data, and when data corresponding to the first pattern is missing from and data corresponding to the second pattern is present in one part of the second image data, or when data corresponding to the second pattern is missing from and data corresponding to the first pattern is present in one part of the second image data.
Inventors:
OHTOMO, Hiroaki (2431-1, Ushiyama-ch, Kasugai Aichi, JP)
大友 浩昭 (愛知県春日井市牛山町２４３１‐１ パナソニック電工ＳＵＮＸ株式会社内 Aichi, JP)
ISHINO, Masahiro (2431-1, Ushiyama-ch, Kasugai Aichi, JP)
石野 仁大 (愛知県春日井市牛山町２４３１‐１ パナソニック電工ＳＵＮＸ株式会社内 Aichi, JP)
KITAHARA, Seishi (4-14-12, Koishikawa, Bunkyo-ku, Tokyo, 〒1128501, JP)
北原 清志 (〒01 東京都文京区小石川４丁目１４番１２号 共同印刷株式会社内 Tokyo, 〒1128501, JP)
大友 浩昭 (愛知県春日井市牛山町２４３１‐１ パナソニック電工ＳＵＮＸ株式会社内 Aichi, JP)
ISHINO, Masahiro (2431-1, Ushiyama-ch, Kasugai Aichi, JP)
石野 仁大 (愛知県春日井市牛山町２４３１‐１ パナソニック電工ＳＵＮＸ株式会社内 Aichi, JP)
KITAHARA, Seishi (4-14-12, Koishikawa, Bunkyo-ku, Tokyo, 〒1128501, JP)
北原 清志 (〒01 東京都文京区小石川４丁目１４番１２号 共同印刷株式会社内 Tokyo, 〒1128501, JP)
Application Number:
IB2011/001570
Publication Date:
January 19, 2012
Filing Date:
July 07, 2011
Export Citation:
Assignee:
PANASONIC ELECTRIC WORKS SUNX CO., LTD. (2431-1, Ushiyama-choKasugai, Aichi, 〒4860901, JP)
パナソニック電工ＳＵＮＸ株式会社 (〒01 愛知県春日井市牛山町２４３１‐１ Aichi, 〒4860901, JP)
KYODO PRINTING CO., LTD. (4-14-12, Koishikawa Bunkyo-ku, Tokyo, 〒1128501, JP)
共同印刷株式会社 (〒01 東京都文京区小石川４丁目１４番１２号 Tokyo, 〒1128501, JP)
OHTOMO, Hiroaki (2431-1, Ushiyama-ch, Kasugai Aichi, JP)
大友 浩昭 (愛知県春日井市牛山町２４３１‐１ パナソニック電工ＳＵＮＸ株式会社内 Aichi, JP)
ISHINO, Masahiro (2431-1, Ushiyama-ch, Kasugai Aichi, JP)
石野 仁大 (愛知県春日井市牛山町２４３１‐１ パナソニック電工ＳＵＮＸ株式会社内 Aichi, JP)
パナソニック電工ＳＵＮＸ株式会社 (〒01 愛知県春日井市牛山町２４３１‐１ Aichi, 〒4860901, JP)
KYODO PRINTING CO., LTD. (4-14-12, Koishikawa Bunkyo-ku, Tokyo, 〒1128501, JP)
共同印刷株式会社 (〒01 東京都文京区小石川４丁目１４番１２号 Tokyo, 〒1128501, JP)
OHTOMO, Hiroaki (2431-1, Ushiyama-ch, Kasugai Aichi, JP)
大友 浩昭 (愛知県春日井市牛山町２４３１‐１ パナソニック電工ＳＵＮＸ株式会社内 Aichi, JP)
ISHINO, Masahiro (2431-1, Ushiyama-ch, Kasugai Aichi, JP)
石野 仁大 (愛知県春日井市牛山町２４３１‐１ パナソニック電工ＳＵＮＸ株式会社内 Aichi, JP)
International Classes:
G07D7/12; B41M3/14; B42D15/10
Attorney, Agent or Firm:
FIRSTLAW P.C. (Trust Tower, 275-7 Yangjae-dongSeocho-ku, Seoul 137-739, 137-739, KR)
Claims:
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