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Patent Searching and Data


Title:
INFORMATION RECORDING BODY, PRINTED ARTICLE, AND READING DEVICE FOR INFORMATION RECORDING BODY
Document Type and Number:
WIPO Patent Application WO/2023/228925
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing: an information recording body which can be easily read and deciphered by a typical reading device and for which reproduction or the like is difficult; and a reading device or the like for said information recording body. This information recording body 1 comprises a substrate 2, a bright ink layer 5 formed from bright ink on one surface of the substrate 2, a colored ink layer 3 formed from colored ink, and a transparent ink layer 4 formed from transparent ink, wherein: the colored ink layer 3 forms a first pattern 100; the transparent ink layer 4 forms a second pattern 200; the entire areas of the first pattern 100 and the second pattern 200 are superimposed, in plan view, on the region where the bright ink layer 5 is formed; the second pattern 200 includes information that can be converted into a specific code; and at least part of the second pattern 200 is superimposed on the first pattern 100.

Inventors:
SUGIE KENTA (JP)
NAKAZAKI KUMIKO (JP)
KOBAYASHI KAORU (JP)
Application Number:
PCT/JP2023/019057
Publication Date:
November 30, 2023
Filing Date:
May 23, 2023
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
B41M3/14; B42D25/26; B42D25/30; B42D25/382; B42D25/391; G07D7/12
Domestic Patent References:
WO2019054380A12019-03-21
Foreign References:
JP2017065185A2017-04-06
JP2013004025A2013-01-07
JP2021000751A2021-01-07
JP2020059174A2020-04-16
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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