GB2470113B - Magnetic core and conductive plate arrangement for a magnetic antenna - Google Patents

Magnetic core and conductive plate arrangement for a magnetic antenna

Info

Publication number
GB2470113B
GB2470113B GB1007345A GB201007345A GB2470113B GB 2470113 B GB2470113 B GB 2470113B GB 1007345 A GB1007345 A GB 1007345A GB 201007345 A GB201007345 A GB 201007345A GB 2470113 B GB2470113 B GB 2470113B
Authority
GB
United Kingdom
Prior art keywords
magnetic
conductive plate
plate arrangement
antenna
magnetic core
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.)
Active
Application number
GB1007345A
Other versions
GB201007345D0 (en
GB2470113A (en
Inventor
Hiromitsu Ito
Hiroyuki Kubo
Kuniaki Yosui
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 GB201007345D0 publication Critical patent/GB201007345D0/en
Publication of GB2470113A publication Critical patent/GB2470113A/en
Application granted granted Critical
Publication of GB2470113B publication Critical patent/GB2470113B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • H01Q1/12—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
    • H01Q1/2225—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 used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Details Of Aerials (AREA)
  • Coils Or Transformers For Communication (AREA)
GB1007345A 2009-05-08 2010-04-30 Magnetic core and conductive plate arrangement for a magnetic antenna Active GB2470113B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009113797A JP4978657B2 (en) 2009-05-08 2009-05-08 Antenna device

Publications (3)

Publication Number Publication Date
GB201007345D0 GB201007345D0 (en) 2010-06-16
GB2470113A GB2470113A (en) 2010-11-10
GB2470113B true GB2470113B (en) 2011-10-19

Family

ID=42289975

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1007345A Active GB2470113B (en) 2009-05-08 2010-04-30 Magnetic core and conductive plate arrangement for a magnetic antenna

Country Status (3)

Country Link
JP (1) JP4978657B2 (en)
CN (1) CN101882711B (en)
GB (1) GB2470113B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013011865A1 (en) * 2011-07-19 2013-01-24 株式会社村田製作所 Antenna module, antenna device, rfid tag, and communication terminal device
JP5609922B2 (en) * 2011-08-10 2014-10-22 株式会社村田製作所 Antenna device and communication terminal device
CN103797642B (en) * 2011-10-07 2016-10-19 株式会社村田制作所 Antenna assembly and electronic equipment
JP5673854B2 (en) * 2011-11-09 2015-02-18 株式会社村田製作所 ANTENNA DEVICE AND ELECTRONIC DEVICE
JP2013115648A (en) * 2011-11-29 2013-06-10 Dexerials Corp Antenna device and communication device
CN103858276B (en) 2012-01-10 2016-08-17 株式会社村田制作所 Antenna element and Anneta module
JP5516636B2 (en) * 2012-04-18 2014-06-11 株式会社村田製作所 Antenna device
CN103515704A (en) * 2012-06-27 2014-01-15 比亚迪股份有限公司 Near field communication antenna and electronic equipment
JP6143485B2 (en) * 2012-10-17 2017-06-07 デクセリアルズ株式会社 Electronic device and antenna device
DE102013104059B4 (en) * 2013-04-22 2024-05-29 Infineon Technologies Ag Antenna arrangement and communication device
CN105576343B (en) * 2016-01-25 2018-04-06 电子科技大学 A kind of near field communication antenna device
JP6282692B2 (en) * 2016-06-28 2018-02-21 デクセリアルズ株式会社 Communication device
JP6966770B2 (en) * 2017-09-07 2021-11-17 東京パーツ工業株式会社 Antenna device
JP2022112104A (en) * 2021-01-21 2022-08-02 Tdk株式会社 Coil component and wireless power transmission device including the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1288016A1 (en) * 2001-01-11 2003-03-05 Hanex Co. Ltd Communication device and its installation structure, manufacturing method, and communication method
EP1439608A1 (en) * 2001-09-28 2004-07-21 Mitsubishi Materials Corporation ANTENNA COIL AND RFID−USE TAG USING IT, TRANSPONDER−USE ANTENNA
EP1484816A1 (en) * 2002-01-17 2004-12-08 Mitsubishi Materials Corporation Antenna for reader/writer and reader/writer having the antenna

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4196554B2 (en) * 2001-09-28 2008-12-17 三菱マテリアル株式会社 Tag antenna coil and RFID tag using the same
JP4747715B2 (en) * 2005-07-29 2011-08-17 Ｔｄｋ株式会社 Antenna and wireless IC memory
JP4478135B2 (en) * 2006-11-17 2010-06-09 株式会社タムラ製作所 Antenna coil

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1288016A1 (en) * 2001-01-11 2003-03-05 Hanex Co. Ltd Communication device and its installation structure, manufacturing method, and communication method
EP1439608A1 (en) * 2001-09-28 2004-07-21 Mitsubishi Materials Corporation ANTENNA COIL AND RFID−USE TAG USING IT, TRANSPONDER−USE ANTENNA
EP1484816A1 (en) * 2002-01-17 2004-12-08 Mitsubishi Materials Corporation Antenna for reader/writer and reader/writer having the antenna

Also Published As

Publication number Publication date
GB201007345D0 (en) 2010-06-16
JP4978657B2 (en) 2012-07-18
CN101882711A (en) 2010-11-10
JP2010263486A (en) 2010-11-18
GB2470113A (en) 2010-11-10
CN101882711B (en) 2013-03-13

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