GB201008206D0 - Coil antenna - Google Patents

Coil antenna

Info

Publication number
GB201008206D0
GB201008206D0 GBGB1008206.3A GB201008206A GB201008206D0 GB 201008206 D0 GB201008206 D0 GB 201008206D0 GB 201008206 A GB201008206 A GB 201008206A GB 201008206 D0 GB201008206 D0 GB 201008206D0
Authority
GB
United Kingdom
Prior art keywords
coil antenna
antenna
coil
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.)
Granted
Application number
GBGB1008206.3A
Other versions
GB2470299A (en
GB2470299B (en
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co 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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of GB201008206D0 publication Critical patent/GB201008206D0/en
Publication of GB2470299A publication Critical patent/GB2470299A/en
Application granted granted Critical
Publication of GB2470299B publication Critical patent/GB2470299B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01Q7/06—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 with core of ferromagnetic material
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • 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
    • 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
    • H01Q7/06—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 with core of ferromagnetic material
    • H01Q7/08—Ferrite rod or like elongated core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • H01Q9/27—Spiral antennas
GB201008206A 2009-05-15 2010-05-17 Coil antenna with a planar magnetic core Active GB2470299B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009119027A JP4883136B2 (en) 2009-05-15 2009-05-15 Coil antenna

Publications (3)

Publication Number Publication Date
GB201008206D0 true GB201008206D0 (en) 2010-06-30
GB2470299A GB2470299A (en) 2010-11-17
GB2470299B GB2470299B (en) 2011-10-26

Family

ID=42334883

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201008206A Active GB2470299B (en) 2009-05-15 2010-05-17 Coil antenna with a planar magnetic core

Country Status (3)

Country Link
JP (1) JP4883136B2 (en)
CN (1) CN101888021B (en)
GB (1) GB2470299B (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5267463B2 (en) 2008-03-03 2013-08-21 株式会社村田製作所 Wireless IC device and wireless communication system
JP4609604B2 (en) 2008-05-21 2011-01-12 株式会社村田製作所 Wireless IC device
EP2290586B1 (en) 2008-05-26 2014-06-25 Murata Manufacturing Co., Ltd. Wireless ic device system and method for authenticating wireless ic device
DE112009002384B4 (en) 2008-11-17 2021-05-06 Murata Manufacturing Co., Ltd. Antenna and wireless IC component
JP5510450B2 (en) 2009-04-14 2014-06-04 株式会社村田製作所 Wireless IC device
WO2010122685A1 (en) 2009-04-21 2010-10-28 株式会社村田製作所 Antenna apparatus and resonant frequency setting method of same
JP5201270B2 (en) 2009-09-30 2013-06-05 株式会社村田製作所 Circuit board and manufacturing method thereof
JP5304580B2 (en) 2009-10-02 2013-10-02 株式会社村田製作所 Wireless IC device
JP5327334B2 (en) 2009-11-04 2013-10-30 株式会社村田製作所 Communication terminal and information processing system
WO2011108340A1 (en) 2010-03-03 2011-09-09 株式会社村田製作所 Wireless communication module and wireless communication device
WO2011118379A1 (en) 2010-03-24 2011-09-29 株式会社村田製作所 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
CN104752813B (en) 2010-07-28 2018-03-02 株式会社村田制作所 Antenna assembly and communication terminal device
JP5472153B2 (en) 2010-12-24 2014-04-16 株式会社村田製作所 Antenna device, battery pack with antenna, and communication terminal device
JP5848120B2 (en) * 2010-12-28 2016-01-27 デクセリアルズ株式会社 ANTENNA MODULE, COMMUNICATION DEVICE, AND ANTENNA MODULE MANUFACTURING METHOD
CN104899639B (en) 2011-02-28 2018-08-07 株式会社村田制作所 Wireless communication devices
WO2012121185A1 (en) 2011-03-08 2012-09-13 株式会社村田製作所 Antenna device and communication terminal apparatus
WO2012141070A1 (en) * 2011-04-13 2012-10-18 株式会社村田製作所 Wireless ic device and wireless communication terminal
WO2012157596A1 (en) 2011-05-16 2012-11-22 株式会社村田製作所 Wireless ic device
CN103370886B (en) 2011-07-15 2015-05-20 株式会社村田制作所 Wireless communication device
CN203850432U (en) 2011-07-19 2014-09-24 株式会社村田制作所 Antenna apparatus and communication terminal apparatus
CN203553354U (en) 2011-09-09 2014-04-16 株式会社村田制作所 Antenna device and wireless device
WO2013035713A1 (en) * 2011-09-09 2013-03-14 株式会社村田製作所 Antenna device and communication terminal device
JP5344108B1 (en) 2011-12-01 2013-11-20 株式会社村田製作所 Wireless IC device and manufacturing method thereof
WO2013125610A1 (en) 2012-02-24 2013-08-29 株式会社村田製作所 Antenna device and wireless communication device
WO2013153697A1 (en) 2012-04-13 2013-10-17 株式会社村田製作所 Rfid tag inspection method, and inspection device
DE102013104059A1 (en) 2013-04-22 2014-10-23 Infineon Technologies Ag Antenna arrangement, communication device and antenna structure
CN204809410U (en) 2013-08-13 2015-11-25 株式会社村田制作所 Antenna device , card formula device and electronic equipment
KR101812782B1 (en) 2016-12-23 2017-12-27 주식회사 알에프텍 Antenna and mobile terminal apparatus having the same
CN107968247B (en) * 2017-11-28 2020-01-10 上海坤锐电子科技有限公司 Antenna structure, reader and intelligent vending equipment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3896965B2 (en) * 2002-01-17 2007-03-22 三菱マテリアル株式会社 Reader / writer antenna and reader / writer equipped with the antenna
JP3975918B2 (en) * 2002-09-27 2007-09-12 ソニー株式会社 Antenna device
EP1689028A4 (en) * 2003-11-28 2008-04-23 Fujitsu Ltd Information processing device having non-contact reader and/or writer and coil antenna for magnetic connection
JP4414940B2 (en) * 2005-06-14 2010-02-17 ソニーケミカル＆インフォメーションデバイス株式会社 ANTENNA DEVICE AND ANTENNA DEVICE ADJUSTING METHOD
JP4367717B2 (en) * 2007-03-26 2009-11-18 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 Near field communication antenna and portable device
WO2009078214A1 (en) * 2007-12-18 2009-06-25 Murata Manufacturing Co., Ltd. Magnetic material antenna and antenna device
CN101447603A (en) * 2008-12-19 2009-06-03 上海集成电路研发中心有限公司 Antenna with progressive structure on RFID chip
JP4752909B2 (en) * 2008-12-24 2011-08-17 株式会社村田製作所 Magnetic material antenna and antenna device

Also Published As

Publication number Publication date
JP2010268306A (en) 2010-11-25
CN101888021A (en) 2010-11-17
JP4883136B2 (en) 2012-02-22
GB2470299A (en) 2010-11-17
CN101888021B (en) 2014-03-12
GB2470299B (en) 2011-10-26

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