情報記録媒体、転写板、製造装置、及び読取方法

Japanese Patent JP7311124

B2

To provide an information recording medium capable of recording binary information without significantly changing the external appearance from a state where no binary information is recorded on the surface.SOLUTION: An information recording medium 1 is an information recording medium having binary information recorded on a face 1A. A first section indicating a value "1" that is one of codes representing the binary information in planar, is represented by a first area 11 that is an area on a surface having a first portion 13 where the surface is surface-treated to have a different appearance, and a second portion 14 where the surface is not surface-treated. A second section indicating a value "0" that is the other code, is represented by a second area 12 where the surface has not been surface-treated.SELECTED DRAWING: Figure 1

JP4629262	Invisible individual information recording material, invisible individual information affixing label, and invisible individual information transfer sheet
JPH01225617	RECORDING MEDIUM SHEET FOR OPTICAL CARD
WO/2022/211914	SYSTEMS AND METHODS FOR SELECTIVELY DECRYPTING AN ENCRYPTED CODE USING AUGMENTED REALITY

Takakuni Doseki
Youhei Fukumizu
Ohashi Asuka
Kentaro Kimura

JP2018213236A

July 19, 2023

November 13, 2018

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School corporation Ritsumeikan

G06K19/06; G06K7/14

JP2013037559A
JP3203889U
JP53038933A
JP2001250099A
JP2010026736A

US20150248570
US20170109621
WO2019216276A1

今井 政敬,X線CTスキャナによる3Dプリンタ造形物内部の二次元コードの検出, 電子情報通信学会技術研究報告,第113巻、第291号,日本,一般社団法人電子情報通信学会,2013年11月07日,P113-P118,EMM2013-87

Hiroshi Sakamoto

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