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Title:
DETECTING SYSTEM, AND READER
Document Type and Number:
WIPO Patent Application WO/2020/090904
Kind Code:
A1
Abstract:
This detecting system is provided with: a sensor (10) including an antenna portion (11) formed by means of a metal pattern, and a rear surface reflective material (13) disposed facing the antenna portion (11) with an isolation layer (12) interposed therebetween; and a reader (20) which transmits electromagnetic waves (Fa) toward the sensor (10) and receives reflected waves (Fr) therefrom, and which detects a change of state in the sensor (10) by comparing a reflection characteristic of the sensor (10) ascertained from the reflected waves (Fr) with a pre-stored reflection characteristic of the sensor (10).

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Inventors:
HIRAOKA SABUROU
TAKAHASHI NOBUAKI
ISHIWATA TAKUMI
Application Number:
PCT/JP2019/042609
Publication Date:
May 07, 2020
Filing Date:
October 30, 2019
Export Citation:
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Assignee:
KONICA MINOLTA INC (JP)
International Classes:
G06K19/067; G06K7/08
Foreign References:
JP2001161732A2001-06-19
JPH1125370A1999-01-29
JP2016167279A2016-09-15
JP2001134726A2001-05-18
JP2018207687A2018-12-27
Other References:
See also references of EP 3876153A4
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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