INFORMATION RECORDED MATERIAL, AND READING DEVICE, PROGRAM, READING METHOD, AND SYSTEM FOR INFORMATION RECORDED MATERIAL

WIPO Patent Application WO/2022/131238

A1

The present invention provides: an information recorded material which can be easily read and deciphered by a commonly used reading device and which is highly insusceptible to duplication or the like; and a reading device and the like for said information recorded material. An information recorded material 1a comprises: a base material 2; a photoluminescent ink layer 3 that is formed on one surface of the base material 2 by using a photoluminescent ink; and a transparent ink layer 4 that is disposed on the one surface side and is formed from a transparent ink exhibiting different reflection-light quantities depending on the observation angle. The photoluminescent ink layer 3 forms a first pattern 100, and the transparent ink layer 4 forms a second pattern 201. The second pattern 201 comprises a plurality of partial patterns 201a, 201b, ..., and each of the partial patterns 201a, 201b, ... is a two-dimensional code, and is equipped with one or more segmented symbols 201p. The second pattern 201 contains information that can be converted into a second specified code which is a specific code, and is superimposed on at least a portion of the first pattern 100.

NAKAZAKI UCHIDA KUMIKO (JP)
SUGIE KENTA (JP)

PCT/JP2021/045977

June 23, 2022

December 14, 2021

Click for automatic bibliography generation  

DAINIPPON PRINTING CO LTD (JP)

B41M3/14; B42D25/305; B42D25/382; B42D25/387; B42D25/391; G07D7/12

WO2019054380A1	2019-03-21
WO2016075999A1	2016-05-19

JP2013004025A	2013-01-07
JP2013058078A	2013-03-28
JP2020059174A	2020-04-16
JP2008188973A	2008-08-21
US20030205895A1	2003-11-06

SHOBAYASHI Masayuki et al. (JP)

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