Title:
印刷媒体照合システム、印刷媒体群照合システム及びトレーサビリティーシステム
Document Type and Number:
Japanese Patent JP7377421
Kind Code:
B2
Abstract:
To provide a print medium group capable performing more accurate identification using a moire pattern and a method of producing the print medium group, and a method of matching the print medium which can identify the moire pattern more accurately.SOLUTION: A print medium group is a print medium group comprising at least two print mediums. The print medium has a moire pattern 240 generated by shifting at least a first periodic pattern 220 and a second periodic pattern 230 including an area marker 900 to overlap each other, and the print mediums can be identified by difference of the moire pattern 240 using the area marker 900.SELECTED DRAWING: Figure 3
Inventors:
Yumi Takizawa
Susumu Takahashi
Susumu Takahashi
Application Number:
JP2022165199A
Publication Date:
November 10, 2023
Filing Date:
October 14, 2022
Export Citation:
Assignee:
TOPPAN Holdings Co., Ltd.
International Classes:
B42D25/342; B42D25/405
Domestic Patent References:
| JP2006113821A | ||||
| JP2006516337A | ||||
| JP1058818A | ||||
| JP59112681U | ||||
| JP201558693A |
Attorney, Agent or Firm:
Patent Attorney Corporation Daiichi International Patent Office