CA1334215C - Concentrateur - Google Patents

Concentrateur

Info

Publication number
CA1334215C
CA1334215C CA000590237A CA590237A CA1334215C CA 1334215 C CA1334215 C CA 1334215C CA 000590237 A CA000590237 A CA 000590237A CA 590237 A CA590237 A CA 590237A CA 1334215 C CA1334215 C CA 1334215C
Authority
CA
Canada
Prior art keywords
coil
concentrator
parts
loop member
flux
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA000590237A
Other languages
English (en)
Inventor
Graham Alexander Munro Murdoch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Western Australia
Magellan Technology Pty Ltd
Original Assignee
University of Western Australia
Magellan Technology Pty Ltd
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 University of Western Australia, Magellan Technology Pty Ltd filed Critical University of Western Australia
Application granted granted Critical
Publication of CA1334215C publication Critical patent/CA1334215C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H01Q1/526—Electromagnetic shields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/04—Screened antennas
CA000590237A 1988-02-04 1989-02-06 Concentrateur Expired - Fee Related CA1334215C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPI6581 1988-02-04
AUPI658188 1988-02-04

Publications (1)

Publication Number Publication Date
CA1334215C true CA1334215C (fr) 1995-01-31

Family

ID=3772776

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000590237A Expired - Fee Related CA1334215C (fr) 1988-02-04 1989-02-06 Concentrateur

Country Status (5)

Country Link
EP (1) EP0397755A4 (fr)
JP (1) JPH03503467A (fr)
CA (1) CA1334215C (fr)
WO (1) WO1989007347A1 (fr)
ZA (1) ZA89872B (fr)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
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US5130697A (en) * 1990-10-30 1992-07-14 Sensormatic Electronics Corporation Method and apparatus for shaping a magnetic field
GB9220409D0 (en) * 1992-09-28 1992-11-11 Texas Instruments Holland Shielded transponder
US5557279A (en) * 1993-09-28 1996-09-17 Texas Instruments Incorporated Unitarily-tuned transponder/shield assembly
US5694139A (en) * 1994-06-28 1997-12-02 Sony Corporation Short-distance communication antenna and methods of manufacturing and using the short-distance communication antenna
JP3526928B2 (ja) * 1994-11-15 2004-05-17 株式会社ルネサスＬｓｉデザイン 非接触ｉｃカードシステム
JP4260917B2 (ja) * 1998-03-31 2009-04-30 株式会社東芝 ループアンテナ
JP2001168618A (ja) * 1999-12-08 2001-06-22 Smart Card Technologies:Kk 無接触形ｉｃカードシステムにおけるリードライタ用のアンテナ装置
DE10149126A1 (de) * 2001-10-05 2003-04-10 Flexchip Ag Einrichtung zum Abschirmen eines Transponders, Verfahren zum Herstellen einer entsprechenden Abschirmung, sowie Transponder mit Abschirmung
US7339120B2 (en) 2003-06-26 2008-03-04 Matsushita Electric Industrial Co., Ltd. Electromagnetic wave shield
JP2005102101A (ja) 2003-09-01 2005-04-14 Matsushita Electric Ind Co Ltd ゲートアンテナ装置
WO2007030862A1 (fr) * 2005-09-12 2007-03-22 Magellan Technology Pty Ltd Dispositif d'attenuation d'une antenne d'un interrogateur
US9064198B2 (en) 2006-04-26 2015-06-23 Murata Manufacturing Co., Ltd. Electromagnetic-coupling-module-attached article
EP2166616B1 (fr) 2007-07-18 2013-11-27 Murata Manufacturing Co. Ltd. Dispositif ci sans fil
CN103729676B (zh) 2008-05-21 2017-04-12 株式会社村田制作所 无线ic器件
CN102047271B (zh) 2008-05-26 2014-12-17 株式会社村田制作所 无线ic器件系统及无线ic器件的真伪判定方法
WO2010021217A1 (fr) 2008-08-19 2010-02-25 株式会社村田製作所 Dispositif à circuit intégré sans fil et procédé de fabrication de celui-ci
CN104362424B (zh) 2008-11-17 2018-09-21 株式会社村田制作所 无线通信设备
CN102301528B (zh) 2009-01-30 2015-01-28 株式会社村田制作所 天线及无线ic器件
JP5510450B2 (ja) 2009-04-14 2014-06-04 株式会社村田製作所 無線ｉｃデバイス
EP2424041B1 (fr) 2009-04-21 2018-11-21 Murata Manufacturing Co., Ltd. Appareil d'antenne et procédé de réglage de la fréquence de résonance de celui-ci
WO2011001709A1 (fr) 2009-07-03 2011-01-06 株式会社村田製作所 Antenne et module d'antenne
CN102577646B (zh) 2009-09-30 2015-03-04 株式会社村田制作所 电路基板及其制造方法
JP5304580B2 (ja) 2009-10-02 2013-10-02 株式会社村田製作所 無線ｉｃデバイス
WO2011045970A1 (fr) 2009-10-16 2011-04-21 株式会社村田製作所 Antenne et dispositif à circuit intégré sans fil
WO2011052310A1 (fr) 2009-10-27 2011-05-05 株式会社村田製作所 Appareil d'émission/réception et lecteur d'étiquette sans fil
CN102576930A (zh) 2009-11-04 2012-07-11 株式会社村田制作所 通信终端及信息处理系统
JP5299518B2 (ja) 2009-11-04 2013-09-25 株式会社村田製作所 情報処理システム
JP5327334B2 (ja) 2009-11-04 2013-10-30 株式会社村田製作所 通信端末及び情報処理システム
CN102792520B (zh) 2010-03-03 2017-08-25 株式会社村田制作所 无线通信模块以及无线通信设备
JP5370581B2 (ja) 2010-03-24 2013-12-18 株式会社村田製作所 Ｒｆｉｄシステム
JP5630499B2 (ja) 2010-03-31 2014-11-26 株式会社村田製作所 アンテナ装置及び無線通信デバイス
JP5712506B2 (ja) * 2010-05-24 2015-05-07 Tdk株式会社 近接型アンテナ及び無線通信機器
GB2495419B (en) * 2010-06-18 2015-05-27 Murata Manufacturing Co Communication terminal apparatus and antenna device
WO2012014939A1 (fr) 2010-07-28 2012-02-02 株式会社村田製作所 Dispositif d'antenne et dispositif de terminal de communications
JP5423897B2 (ja) 2010-08-10 2014-02-19 株式会社村田製作所 プリント配線板及び無線通信システム
KR101276282B1 (ko) * 2010-09-07 2013-06-21 가부시키가이샤 무라타 세이사쿠쇼 안테나 장치
CN103038939B (zh) 2010-09-30 2015-11-25 株式会社村田制作所 无线ic器件
CN105226382B (zh) 2010-10-12 2019-06-11 株式会社村田制作所 天线装置及终端装置
WO2012053412A1 (fr) 2010-10-21 2012-04-26 株式会社村田製作所 Dispositif terminal de communication
CN103119785B (zh) 2011-01-05 2016-08-03 株式会社村田制作所 无线通信器件
JP5304956B2 (ja) 2011-01-14 2013-10-02 株式会社村田製作所 Ｒｆｉｄチップパッケージ及びｒｆｉｄタグ
WO2012111430A1 (fr) 2011-02-15 2012-08-23 株式会社村田製作所 Dispositif d'antenne et dispositif formant terminal de communication
JP5370616B2 (ja) 2011-02-28 2013-12-18 株式会社村田製作所 無線通信デバイス
EP2618424A4 (fr) 2011-04-05 2014-05-07 Murata Manufacturing Co Dispositif de communication sans fil
JP5569648B2 (ja) 2011-05-16 2014-08-13 株式会社村田製作所 無線ｉｃデバイス
EP3041087B1 (fr) 2011-07-14 2022-09-07 Murata Manufacturing Co., Ltd. Dispositif de communication sans fil
JP5418737B2 (ja) 2011-09-09 2014-02-19 株式会社村田製作所 アンテナ装置および無線デバイス
JP5344108B1 (ja) 2011-12-01 2013-11-20 株式会社村田製作所 無線ｉｃデバイス及びその製造方法
WO2013125610A1 (fr) 2012-02-24 2013-08-29 株式会社村田製作所 Dispositif d'antenne et dispositif de communication sans fil
JP5304975B1 (ja) 2012-04-13 2013-10-02 株式会社村田製作所 Ｒｆｉｄタグの検査方法及び検査装置
TWI474953B (zh) * 2012-05-23 2015-03-01 Taiwan Lamination Ind Inc Packaging bags with external stickers
JP5964155B2 (ja) * 2012-06-28 2016-08-03 Ｎｅｃトーキン株式会社 アンテナ装置
US11354558B2 (en) 2013-01-18 2022-06-07 Amatech Group Limited Contactless smartcards with coupling frames
US10476304B2 (en) 2015-05-27 2019-11-12 Qualcomm Incorporated Wireless power receive coil for metal backed device
JP7271162B2 (ja) * 2018-12-19 2023-05-11 株式会社ジャパンディスプレイ 電子機器

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU113079B2 (en) * 1940-05-10 1941-05-22 Standa bd Telephones and Cables Pty. Limited Improvements in aerial systems for wireless communication
AU144473B2 (en) * 1948-01-22 1951-12-14 N. Y. Philips' Gloeilampenfabrieken Improvements in or relating to receiving or transmitting antennae
CA851281A (en) * 1967-10-24 1970-09-08 D. Boyd William Inductive loop signal system
JPS5226879B2 (fr) * 1972-09-19 1977-07-16
US4243980A (en) * 1978-02-17 1981-01-06 Lichtblau G J Antenna system for electronic security installations
US4331285A (en) * 1980-03-24 1982-05-25 Hewlett-Packard Company Method for fabricating a magnetic shielding enclosure
US4353064A (en) * 1981-01-14 1982-10-05 Honeywell Inc. Battery operated access control card
JPS5843604A (ja) * 1981-09-09 1983-03-14 Japan Radio Co Ltd アンテナ素子
US4549186A (en) * 1982-04-14 1985-10-22 Sensormatic Electronics Corporation Coil assembly for substantially isotropic flux linkage in a given plane
US4486731A (en) * 1982-06-10 1984-12-04 Sensormatic Electronics Corporation Coil assembly with flux directing means
US4549794A (en) † 1983-05-05 1985-10-29 Schering Corporation Hydrophilic bifocal contact lens
EP0225954A1 (fr) * 1985-12-18 1987-06-24 Alcan International Limited Protection d'un dispositif de contrôle
EP0242484A3 (fr) * 1986-04-23 1988-05-25 Tektronix, Inc. Assemblage électrique ayant des éléments de construction blindés
FR2602906B1 (fr) * 1986-07-29 1991-10-31 Lesage Christian Materiau pour la realisation de dispositifs de protection, contre l'environnement magnetique, d'objets presentant un support d'inscriptions magnetiques, et dispositifs de protections realises avec un tel materiau

Also Published As

Publication number Publication date
WO1989007347A1 (fr) 1989-08-10
EP0397755A1 (fr) 1990-11-22
ZA89872B (en) 1990-10-31
EP0397755A4 (en) 1992-11-04
JPH03503467A (ja) 1991-08-01

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