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Title:
ANTENNA DEVICE AND TAG READER
Document Type and Number:
WIPO Patent Application WO/2021/124844
Kind Code:
A1
Abstract:
An antenna device (21) is for a tag reader (2) that, by irradiating a tag (1) with an electromagnetic wave and detecting electromagnetic wave reflection characteristics of the tag (1), reads attribute information about the tag (1). The antenna device is provided with: an insulative substrate (211); and a conductor pattern layer (212) that is formed on the insulative substrate (211) and that forms antenna elements (T1, T2) each having a bow tie structure.

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Inventors:
NAMIKAWA TAKETO
Application Number:
PCT/JP2020/044416
Publication Date:
June 24, 2021
Filing Date:
November 30, 2020
Export Citation:
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Assignee:
KONICA MINOLTA INC (JP)
International Classes:
H04B5/02; G06K7/08; G06K19/067; H01Q1/52; H01Q5/25; H01Q9/28; H01Q13/10; H04B1/59
Domestic Patent References:
WO2019235354A12019-12-12
Foreign References:
JP2009529724A2009-08-20
JP2005236672A2005-09-02
JP2007336170A2007-12-27
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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