MAGNETIC MARKER - AICHI STEEL CORP

Title:

MAGNETIC MARKER

Document Type and Number:

WIPO Patent Application WO/2024/005104

Kind Code:

A1

Abstract:

A wireless tag (2) is attached to one of the end portions of a columnar magnetic marker (1). An antenna (3) made of a conductive material for amplifying radio waves transmitted and received by the wireless tag (2) is provided on the outer surface of the magnetic marker (1). The antenna (3) is composed of: an intermediate portion (31) provided on the outer side surface of the magnetic marker (1) and extending along the axial direction; and antenna end portions (33, 35) that electrically extend from the intermediate portion (31) and form electric open ends at one and the other of the end portions of the magnetic marker (1).

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Inventors:

IWASE TETSUYA (JP)
SHIMOTO TAKASHI (JP)

Application Number:

PCT/JP2023/024064

Publication Date:

January 04, 2024

Filing Date:

June 28, 2023

Export Citation:

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Assignee:

AICHI STEEL CORP (JP)

International Classes:

G06K19/077; G08G1/00; H01Q1/22; H01Q19/02

Domestic Patent References:

WO2019239824A1

2019-12-19

Foreign References:

JP2014021705A	2014-02-03
JP2022028460A	2022-02-16

Attorney, Agent or Firm:

OIKE Tatsuya (JP)

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