ZA89872B - Concentrator - Google Patents

Concentrator

Info

Publication number
ZA89872B
ZA89872B ZA89872A ZA89872A ZA89872B ZA 89872 B ZA89872 B ZA 89872B ZA 89872 A ZA89872 A ZA 89872A ZA 89872 A ZA89872 A ZA 89872A ZA 89872 B ZA89872 B ZA 89872B
Authority
ZA
South Africa
Prior art keywords
concentrator
Prior art date
Application number
ZA89872A
Inventor
Graham Alexander Munro Murdoch
Alexander Munro Murdoch Graham
Original Assignee
Uniscan Ltd
Magellan Tech 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 Uniscan Ltd, Magellan Tech Pty Ltd filed Critical Uniscan Ltd
Publication of ZA89872B publication Critical patent/ZA89872B/en

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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Near-Field Transmission Systems (AREA)
ZA89872A 1988-02-04 1989-02-03 Concentrator ZA89872B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA89872B true ZA89872B (en) 1990-10-31

Family

ID=3772776

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA89872A ZA89872B (en) 1988-02-04 1989-02-03 Concentrator

Country Status (5)

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

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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 (en) * 1994-11-15 2004-05-17 株式会社ルネサスＬｓｉデザイン Non-contact IC card system
JP4260917B2 (en) 1998-03-31 2009-04-30 株式会社東芝 Loop antenna
JP2001168618A (en) * 1999-12-08 2001-06-22 Smart Card Technologies:Kk Antenna device for reader/writer in non-contact type ic card system
DE10149126A1 (en) * 2001-10-05 2003-04-10 Flexchip Ag Production of a screen used for a transponder comprises applying ferromagnetic particles to a region of the substrate having the spatial expansion of the antenna structure of a transponder, aligning the ferromagnetic particles, etc.
US7339120B2 (en) 2003-06-26 2008-03-04 Matsushita Electric Industrial Co., Ltd. Electromagnetic wave shield
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WO2007030862A1 (en) * 2005-09-12 2007-03-22 Magellan Technology Pty Ltd An attenuation device for an antenna of an interrogator
US9064198B2 (en) 2006-04-26 2015-06-23 Murata Manufacturing Co., Ltd. Electromagnetic-coupling-module-attached article
WO2009011423A1 (en) 2007-07-18 2009-01-22 Murata Manufacturing Co., Ltd. Wireless ic device
EP2840648B1 (en) 2008-05-21 2016-03-23 Murata Manufacturing Co., Ltd. Wireless IC device
WO2009145007A1 (en) 2008-05-26 2009-12-03 株式会社村田製作所 Wireless ic device system and method for authenticating wireless ic device
JP5434920B2 (en) 2008-08-19 2014-03-05 株式会社村田製作所 Wireless IC device and manufacturing method thereof
JP4605318B2 (en) 2008-11-17 2011-01-05 株式会社村田製作所 Antenna and wireless IC device
CN102301528B (en) 2009-01-30 2015-01-28 株式会社村田制作所 Antenna and wireless ic device
JP5510450B2 (en) 2009-04-14 2014-06-04 株式会社村田製作所 Wireless IC device
CN103022661B (en) * 2009-04-21 2014-12-03 株式会社村田制作所 Antenna apparatus and resonant frequency setting method of same
WO2011001709A1 (en) 2009-07-03 2011-01-06 株式会社村田製作所 Antenna and antenna module
CN102577646B (en) 2009-09-30 2015-03-04 株式会社村田制作所 Circuit substrate and method of manufacture thereof
JP5304580B2 (en) 2009-10-02 2013-10-02 株式会社村田製作所 Wireless IC device
WO2011045970A1 (en) 2009-10-16 2011-04-21 株式会社村田製作所 Antenna and wireless ic device
WO2011052310A1 (en) 2009-10-27 2011-05-05 株式会社村田製作所 Transmitting/receiving apparatus and wireless tag reader
GB2487315B (en) 2009-11-04 2014-09-24 Murata Manufacturing Co Communication terminal and information processing system
WO2011055703A1 (en) 2009-11-04 2011-05-12 株式会社村田製作所 Communication terminal and information processing system
JP5299518B2 (en) 2009-11-04 2013-09-25 株式会社村田製作所 Information processing system
JP5652470B2 (en) 2010-03-03 2015-01-14 株式会社村田製作所 Wireless communication module and wireless communication device
GB2491447B (en) 2010-03-24 2014-10-22 Murata Manufacturing Co RFID system
JP5630499B2 (en) 2010-03-31 2014-11-26 株式会社村田製作所 Antenna apparatus and wireless communication device
JP5712506B2 (en) * 2010-05-24 2015-05-07 Tdk株式会社 Proximity antenna and wireless communication device
JP5435130B2 (en) 2010-06-18 2014-03-05 株式会社村田製作所 Communication terminal device and antenna device
CN104752813B (en) 2010-07-28 2018-03-02 株式会社村田制作所 Antenna assembly and communication terminal device
WO2012020748A1 (en) 2010-08-10 2012-02-16 株式会社村田製作所 Printed wire board and wireless communication system
CN104701627B (en) 2010-09-07 2018-11-20 株式会社村田制作所 Antenna assembly
JP5630506B2 (en) 2010-09-30 2014-11-26 株式会社村田製作所 Wireless IC device
CN103053074B (en) 2010-10-12 2015-10-21 株式会社村田制作所 Antenna assembly and communication terminal
GB2501385B (en) 2010-10-21 2015-05-27 Murata Manufacturing Co Communication terminal device
WO2012093541A1 (en) 2011-01-05 2012-07-12 株式会社村田製作所 Wireless communication device
JP5304956B2 (en) 2011-01-14 2013-10-02 株式会社村田製作所 RFID chip package and RFID tag
KR101374302B1 (en) * 2011-02-15 2014-03-14 가부시키가이샤 무라타 세이사쿠쇼 Antenna device and communication terminal device
CN103119786B (en) 2011-02-28 2015-07-22 株式会社村田制作所 Wireless communication device
WO2012137717A1 (en) 2011-04-05 2012-10-11 株式会社村田製作所 Wireless communication device
JP5569648B2 (en) 2011-05-16 2014-08-13 株式会社村田製作所 Wireless IC device
KR101338173B1 (en) 2011-07-14 2013-12-06 가부시키가이샤 무라타 세이사쿠쇼 Wireless communication device
WO2013035821A1 (en) 2011-09-09 2013-03-14 株式会社村田製作所 Antenna device and wireless device
CN103380432B (en) 2011-12-01 2016-10-19 株式会社村田制作所 Wireless IC device and manufacture method thereof
JP5464307B2 (en) 2012-02-24 2014-04-09 株式会社村田製作所 ANTENNA DEVICE AND WIRELESS COMMUNICATION DEVICE
JP5304975B1 (en) 2012-04-13 2013-10-02 株式会社村田製作所 RFID tag inspection method and inspection apparatus
TWI474953B (en) * 2012-05-23 2015-03-01 Taiwan Lamination Ind Inc Packaging bags with external stickers
JP5964155B2 (en) * 2012-06-28 2016-08-03 Ｎｅｃトーキン株式会社 Antenna device
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 (en) * 2018-12-19 2023-05-11 株式会社ジャパンディスプレイ Electronics

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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 (en) * 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 (en) * 1981-09-09 1983-03-14 Japan Radio Co Ltd Antenna element
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 (en) * 1985-12-18 1987-06-24 Alcan International Limited Protection for control equipment
EP0242484A3 (en) * 1986-04-23 1988-05-25 Tektronix, Inc. Electrical assembly having shielded structural sub-parts
FR2602906B1 (en) * 1986-07-29 1991-10-31 Lesage Christian MATERIAL FOR PRODUCING PROTECTION DEVICES AGAINST THE MAGNETIC ENVIRONMENT OF OBJECTS HAVING A MAGNETIC INSCRIPTION MEDIUM, AND PROTECTION DEVICES MADE OF SUCH MATERIAL

Also Published As

Publication number Publication date
WO1989007347A1 (en) 1989-08-10
EP0397755A1 (en) 1990-11-22
JPH03503467A (en) 1991-08-01
CA1334215C (en) 1995-01-31
EP0397755A4 (en) 1992-11-04

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