Title:
IDENTIFIER, IDENTIFICATION METHOD, AND IDENTIFICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/093452
Kind Code:
A1
Abstract:
The purpose of the present invention is to detect that the irradiation range of an electromagnetic wave has shifted from an ID formation region. An ID formation region 10a comprises a plurality of antenna formation sections 51-62 in which antenna patterns 11-22 are formed, each of which is assigned a different resonance frequency and exhibits a resonance peak at the relevant resonance frequency. The antenna patterns 13 and 20, which are formed in end regions farthest away from the center of the ID formation region 10a and opposing one another with the center therebetween, are set as range detection patterns, and when the resonance peak of the antenna patterns 13 and 20 is not detected, it is determined that the irradiation range of the electromagnetic wave is shifted.
Inventors:
DEGUCHI YU (JP)
MICHISAKA TAKAO (JP)
MICHISAKA TAKAO (JP)
Application Number:
PCT/JP2018/041575
Publication Date:
May 16, 2019
Filing Date:
November 09, 2018
Export Citation:
Assignee:
TOPPAN FORMS CO LTD (JP)
International Classes:
G06K19/067; G06K7/08; H01Q1/38; H01Q15/14
Foreign References:
| JP2016146093A | 2016-08-12 | |||
| JP2017084339A | 2017-05-18 | |||
| JP2017084238A | 2017-05-18 |
Attorney, Agent or Firm:
MIYAZAKI Teruo et al. (JP)
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