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Patent Searching and Data


Title:
CHIPLESS RFID TAG, TAG READER, AND RFID SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/065061
Kind Code:
A1
Abstract:
This chipless RFID tag (1) makes it possible for a tag reader (2) to use reflected waves from radiated electromagnetic waves to read identification information and is provided with: a substrate (10) that is transparent with respect to the electromagnetic waves; an identification information formation section (11) that forms the pattern of an area within a predetermined surface of the substrate (10) in which the reflection characteristics with respect to the electromagnetic waves differ from those of the substrate (10) and in which the identification information is formed by the pattern; and a calibration information formation section (12) forming an area within the predetermined surface of the substrate (10) in which the reflected waves that are generated have different forms when the electromagnetic waves are radiated from the front surface side of the substrate (10) and when the electromagnetic waves are radiated from the rear surface side of the substrate (10).

Inventors:
HIRAOKA SABUROU
URATANI SHOICHI
Application Number:
PCT/JP2018/032041
Publication Date:
April 04, 2019
Filing Date:
August 30, 2018
Export Citation:
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Assignee:
KONICA MINOLTA INC (JP)
International Classes:
G06K19/067; G06K7/08
Foreign References:
JPH10302031A1998-11-13
JPH06291703A1994-10-18
JP2013214157A2013-10-17
Attorney, Agent or Firm:
WASHIDA, Kimihito (JP)
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