AU2734899A - Device for controlling the impedance returned on an electronic label antenna - Google Patents

Device for controlling the impedance returned on an electronic label antenna

Info

Publication number
AU2734899A
AU2734899A AU27348/99A AU2734899A AU2734899A AU 2734899 A AU2734899 A AU 2734899A AU 27348/99 A AU27348/99 A AU 27348/99A AU 2734899 A AU2734899 A AU 2734899A AU 2734899 A AU2734899 A AU 2734899A
Authority
AU
Australia
Prior art keywords
controlling
electronic label
label antenna
impedance
returned
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.)
Abandoned
Application number
AU27348/99A
Inventor
Michel Ousset
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.)
Gemplus SA
Original Assignee
Gemplus SCA
Gemplus Card International SA
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 Gemplus SCA, Gemplus Card International SA filed Critical Gemplus SCA
Publication of AU2734899A publication Critical patent/AU2734899A/en
Abandoned legal-status Critical Current

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
    • G06K19/0723—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • G06K19/0726—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs the arrangement including a circuit for tuning the resonance frequency of an antenna on the record carrier
    • 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
    • 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
    • H01Q7/005—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 variable reactance for tuning the antenna

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Near-Field Transmission Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Radar Systems Or Details Thereof (AREA)
AU27348/99A 1998-03-31 1999-03-15 Device for controlling the impedance returned on an electronic label antenna Abandoned AU2734899A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9803994A FR2776781B1 (en) 1998-03-31 1998-03-31 DEVICE FOR CONTROLLING THE IMPEDANCE REDUCED ON THE ANTENNA OF AN ELECTROMAGNETIC LABEL
FR9803994 1998-03-31
PCT/FR1999/000572 WO1999050930A1 (en) 1998-03-31 1999-03-15 Device for controlling the impedance returned on an electronic label antenna

Publications (1)

Publication Number Publication Date
AU2734899A true AU2734899A (en) 1999-10-18

Family

ID=9524707

Family Applications (1)

Application Number Title Priority Date Filing Date
AU27348/99A Abandoned AU2734899A (en) 1998-03-31 1999-03-15 Device for controlling the impedance returned on an electronic label antenna

Country Status (9)

Country Link
EP (1) EP1068652B1 (en)
JP (1) JP4171582B2 (en)
CN (1) CN100375116C (en)
AU (1) AU2734899A (en)
CA (1) CA2324896A1 (en)
DE (1) DE69915270T2 (en)
ES (1) ES2217740T3 (en)
FR (1) FR2776781B1 (en)
WO (1) WO1999050930A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1246297A1 (en) * 2001-03-30 2002-10-02 Siemens Aktiengesellschaft Method of identification of the state of a technical system using a sensor arrangment with a passive component and sensor arrangment therefor
FR2847089B1 (en) * 2002-11-12 2005-02-04 Inside Technologies TUNABLE ANTENNA CIRCUIT, IN PARTICULAR FOR NON-CONTACT INTEGRATED CIRCUIT READER
US6914562B2 (en) * 2003-04-10 2005-07-05 Avery Dennison Corporation RFID tag using a surface insensitive antenna structure
US7786863B2 (en) * 2005-03-16 2010-08-31 Semiconductor Energy Laboratory Co., Ltd. Information processing and wireless communication device wherein the resonant frequency of an antenna circuit is regularly corrected regardless of temperature
FR2883434B1 (en) 2005-03-21 2007-04-20 Commissariat Energie Atomique METHOD AND DEVICE FOR DEMODULATION AT TWO LEVELS.
KR100732681B1 (en) * 2006-01-20 2007-06-27 삼성전자주식회사 Radio frequency identification tag and rfid system having the same
JP4803012B2 (en) * 2006-12-08 2011-10-26 ソニー株式会社 COMMUNICATION DEVICE, INFORMATION DEVICE, AND COMMUNICATION METHOD
CN103891047B (en) * 2011-10-26 2017-04-05 株式会社村田制作所 Variable-capacitance element and high-frequency element
CN108629396B (en) * 2018-03-30 2021-05-28 深圳市远望谷信息技术股份有限公司 Circuit for automatically adjusting receiving energy of electronic tag and electronic tag chip
CN111244632B (en) * 2020-03-16 2022-03-08 京东方科技集团股份有限公司 Frequency debugging board, frequency debugging system and method for debugging electronic equipment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2623311B1 (en) * 1987-11-18 1991-05-17 Izadnegahdar Ali IDENTIFICATION SYSTEM WITH CONTACTLESS QUERYING OF AN ELECTRONIC LABEL
FR2669484B1 (en) * 1990-11-16 1994-03-25 Thomson Composants Microondes ELECTROMAGNETIC WAVE TELECOMMUNICATIONS DEVICE.
GB2321551B (en) * 1996-03-22 2000-05-24 John Wolfgang Halpern Power transfer between at variable distance coupled VHF antennas, and oscillator drive circuit for same
US5943624A (en) * 1996-07-15 1999-08-24 Motorola, Inc. Contactless smartcard for use in cellular telephone

Also Published As

Publication number Publication date
WO1999050930A1 (en) 1999-10-07
EP1068652A1 (en) 2001-01-17
FR2776781A1 (en) 1999-10-01
DE69915270T2 (en) 2005-02-24
JP2002510812A (en) 2002-04-09
JP4171582B2 (en) 2008-10-22
CN100375116C (en) 2008-03-12
CA2324896A1 (en) 1999-10-07
FR2776781B1 (en) 2000-05-05
DE69915270D1 (en) 2004-04-08
ES2217740T3 (en) 2004-11-01
EP1068652B1 (en) 2004-03-03
CN1294765A (en) 2001-05-09

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase