TWI334670B - - Google Patents

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Publication number
TWI334670B
TWI334670B TW95136650A TW95136650A TWI334670B TW I334670 B TWI334670 B TW I334670B TW 95136650 A TW95136650 A TW 95136650A TW 95136650 A TW95136650 A TW 95136650A TW I334670 B TWI334670 B TW I334670B
Authority
TW
Taiwan
Prior art keywords
sheet
magnetic
antenna element
antenna
frequency
Prior art date
Application number
TW95136650A
Other languages
English (en)
Chinese (zh)
Other versions
TW200731919A (en
Inventor
Takahiko Yoshida
Masato Matsushita
Haruhide Go
Yoshiharu Kiyohara
Shinichi Sato
Ryota Yoshihara
Kazuhisa Morita
Hiroaki Kogure
Original Assignee
Nitta Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nitta Corp filed Critical Nitta Corp
Publication of TW200731919A publication Critical patent/TW200731919A/zh
Application granted granted Critical
Publication of TWI334670B publication Critical patent/TWI334670B/zh

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07771—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card the record carrier comprising means for minimising adverse effects on the data communication capability of the record carrier, e.g. minimising Eddy currents induced in a proximate metal or otherwise electromagnetically interfering object
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Details Of Aerials (AREA)
TW095136650A 2005-09-30 2006-10-02 Sheet body, antenna device, and electronic information transmission device TW200731919A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005289365 2005-09-30

Publications (2)

Publication Number Publication Date
TW200731919A TW200731919A (en) 2007-08-16
TWI334670B true TWI334670B (fr) 2010-12-11

Family

ID=37899904

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095136650A TW200731919A (en) 2005-09-30 2006-10-02 Sheet body, antenna device, and electronic information transmission device

Country Status (2)

Country Link
TW (1) TW200731919A (fr)
WO (1) WO2007037494A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6089625B2 (ja) * 2011-11-30 2017-03-08 東レ株式会社 電波吸収体用シート材およびこれを用いた電波吸収体
JP6622649B2 (ja) * 2015-12-21 2019-12-18 ホシデン株式会社 非接触通信モジュール
TWI655804B (zh) 2017-08-03 2019-04-01 廣達電腦股份有限公司 通訊裝置
TW201911643A (zh) 2017-08-03 2019-03-16 廣達電腦股份有限公司 通訊裝置
TWI816134B (zh) 2021-06-09 2023-09-21 財團法人工業技術研究院 天線模組

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03171385A (ja) * 1989-11-30 1991-07-24 Sony Corp 情報カード
JP3401650B2 (ja) * 1994-01-20 2003-04-28 エヌイーシートーキン株式会社 電磁波干渉抑制体
JP2001085212A (ja) * 1999-09-10 2001-03-30 Tokin Corp 複合磁性体、及びそれを用いた電磁干渉抑制体
JP4004206B2 (ja) * 2000-04-03 2007-11-07 Ｎｅｃトーキン株式会社 電磁干渉抑制体の製造方法
JP2002246828A (ja) * 2001-02-15 2002-08-30 Mitsubishi Materials Corp トランスポンダのアンテナ
JP4168597B2 (ja) * 2001-03-13 2008-10-22 三菱マテリアル株式会社 トランスポンダ用アンテナ
JP2002290092A (ja) * 2001-03-28 2002-10-04 Daido Steel Co Ltd 耐熱性電磁波吸収体
US7109726B2 (en) * 2001-07-25 2006-09-19 Koninklijke Philips Electronics N.V. Object sensing
JP2002368644A (ja) * 2002-03-22 2002-12-20 Hitachi Kokusai Electric Inc カード型無線機
JP2005159337A (ja) * 2003-10-31 2005-06-16 Nitta Ind Corp 電磁干渉抑制体およびこれを用いる電磁障害抑制方法
JP2005252876A (ja) * 2004-03-05 2005-09-15 Sony Corp アンテナ装置及び無線通信装置
JP3647446B1 (ja) * 2004-05-14 2005-05-11 ニッタ株式会社 タグ用磁気シールドシートおよびタグ
JP5088004B2 (ja) * 2007-06-13 2012-12-05 東洋製罐株式会社 剥離性シール部を有する多室プラスチックパウチ

Also Published As

Publication number Publication date
WO2007037494A1 (fr) 2007-04-05
TW200731919A (en) 2007-08-16

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Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees