DE69532399T2 - Kontaktlose IC-Karte - Google Patents

Kontaktlose IC-Karte Download PDF

Info

Publication number
DE69532399T2
DE69532399T2 DE69532399T DE69532399T DE69532399T2 DE 69532399 T2 DE69532399 T2 DE 69532399T2 DE 69532399 T DE69532399 T DE 69532399T DE 69532399 T DE69532399 T DE 69532399T DE 69532399 T2 DE69532399 T2 DE 69532399T2
Authority
DE
Germany
Prior art keywords
contactless
card
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
DE69532399T
Other languages
English (en)
Other versions
DE69532399D1 (de
Inventor
Atsuo Yamaguchi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69532399D1 publication Critical patent/DE69532399D1/de
Publication of DE69532399T2 publication Critical patent/DE69532399T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • 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
DE69532399T 1994-10-06 1995-10-05 Kontaktlose IC-Karte Expired - Fee Related DE69532399T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP24309794 1994-10-06
JP30783494 1994-12-12
JP14781795 1995-06-14
JP7244738A JPH0962816A (ja) 1994-10-06 1995-09-22 非接触ｉｃカードおよびこれを含む非接触ｉｃカードシステム

Publications (2)

Publication Number Publication Date
DE69532399D1 DE69532399D1 (de) 2004-02-12
DE69532399T2 true DE69532399T2 (de) 2004-10-21

Family

ID=27472810

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69532399T Expired - Fee Related DE69532399T2 (de) 1994-10-06 1995-10-05 Kontaktlose IC-Karte

Country Status (7)

Country Link
US (4) US5698838A (de)
EP (1) EP0706151B1 (de)
JP (1) JPH0962816A (de)
KR (1) KR100223989B1 (de)
CN (1) CN1111299C (de)
DE (1) DE69532399T2 (de)
TW (1) TW324868B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005020101A1 (de) * 2005-04-29 2007-01-25 Giesecke & Devrient Gmbh Tragbarer Datenträger und Verfahren zum Betreiben eines tragbaren Datenträgers
DE102011115721A1 (de) * 2011-10-12 2013-04-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. System zur drahtlosen Energieübertragung

Families Citing this family (150)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0981701A (ja) * 1995-09-19 1997-03-28 Toshiba Corp 非接触式情報記録媒体および非接触式情報伝送方法
JP3205260B2 (ja) * 1996-04-30 2001-09-04 株式会社山武 非接触データ送受信方法およびその装置
DE19629646C2 (de) * 1996-07-23 1998-09-10 Wolf Gmbh Richard Verfahren und Vorrichtung zur automatischen Identifikation von Komponenten medizinischer Gerätesysteme
US5949823A (en) * 1996-09-13 1999-09-07 Hitachi, Ltd. Data communication system and radio IC card system
JP3392016B2 (ja) * 1996-09-13 2003-03-31 株式会社日立製作所 電力伝送システム並びに電力伝送および情報通信システム
SG54559A1 (en) 1996-09-13 1998-11-16 Hitachi Ltd Power transmission system ic card and information communication system using ic card
JPH10187916A (ja) * 1996-12-27 1998-07-21 Rohm Co Ltd 非接触ｉｃカード通信システムにおける応答器
US5930304A (en) * 1997-03-20 1999-07-27 Motorola, Inc. Wireless powered communication device with adaptive data detection and method
US6164532A (en) * 1997-05-15 2000-12-26 Hitachi, Ltd. Power transmission system, power transmission/communication system and reader and/or writer
US6176433B1 (en) * 1997-05-15 2001-01-23 Hitachi, Ltd. Reader/writer having coil arrangements to restrain electromagnetic field intensity at a distance
JPH10320519A (ja) 1997-05-19 1998-12-04 Rohm Co Ltd Ｉｃカード通信システムにおける応答器
WO1998058347A1 (fr) * 1997-06-18 1998-12-23 Mitsubishi Denki Kabushiki Kaisha Syteme de cartes a circuit integre sans contact et carte a circuit integre sans contact
DE69838364T2 (de) 1997-06-20 2008-05-29 Hitachi Kokusai Electric Inc. Schreib-/Lesevorrichtung, Stromversorgungssystem und Kommunikationssystem
JPH1166248A (ja) * 1997-08-12 1999-03-09 Mitsubishi Electric Corp 非接触型ｉｃカード
FR2768875B1 (fr) * 1997-09-23 2000-06-02 Sgs Thomson Microelectronics Detecteur de signaux radiofrequence pour carte a puce sans contact
GB2330957B (en) * 1997-11-01 2002-06-05 Motorola Inc Power supply clamp and method in a smartcard
US6211799B1 (en) * 1997-11-06 2001-04-03 Massachusetts Institute Of Technology Method and apparatus for transbody transmission of power and information
WO1999038114A1 (en) * 1998-01-23 1999-07-29 Motorola Inc. Portable data device and method of switching between a power and data mode of operation
WO1999039450A1 (en) * 1998-01-29 1999-08-05 Magellan Technology Pty. Ltd. A transceiver
US8108307B1 (en) 1998-03-30 2012-01-31 Citicorp Development Center, Inc. System, method and apparatus for value exchange utilizing value-storing applications
EP0949593A2 (de) 1998-03-30 1999-10-13 Citicorp Development Center System, Verfahren und Vorrichtung zum Austauschen von Werten mit Werte speichernder Vorrichtung
US6169475B1 (en) 1998-03-30 2001-01-02 Xircom, Inc. System and method for active detection of connection to a network
FR2776865B1 (fr) * 1998-03-31 2000-05-05 Commissariat Energie Atomique Dispositif de teletransmission par couplage inductif
FR2778521B1 (fr) 1998-05-06 2000-06-16 Sgs Thomson Microelectronics Circuit codeur bpsk
DE19827691C1 (de) * 1998-06-22 2000-01-13 Skidata Ag Verfahren zur Kommunikation zwischen berührungslos arbeitenden Datenträgern und Endgeräten
FR2780221B1 (fr) 1998-06-22 2000-09-29 Sgs Thomson Microelectronics Emission d'une consigne de fonctionnement par une ligne d'alimentation alternative
FR2780220A1 (fr) 1998-06-22 1999-12-24 Sgs Thomson Microelectronics Transmission de donnees numeriques sur une ligne d'alimentation alternative
FR2781074B1 (fr) * 1998-07-08 2006-04-28 Commissariat Energie Atomique Interface analogique pour circuit d'echange d'informations autonome
US6173897B1 (en) * 1998-07-27 2001-01-16 John W. Halpern Universal card interface module for contact free cards
EP1117064B1 (de) * 1998-07-31 2005-01-26 Matsushita Electric Industrial Co., Ltd. Eine zweifach verwendbare kontaktlose Chipkarte, ein System bestehend aus Endgerät und Karte, und Kommunikationsverfahren
JP3649374B2 (ja) * 1998-11-30 2005-05-18 ソニー株式会社 アンテナ装置及びカード状記憶媒体
FR2787260B1 (fr) * 1998-12-09 2003-01-24 Gemplus Card Int Dispositif electronique de communication sans contact a source d'energie auxiliaire optionnelle
TW484101B (en) * 1998-12-17 2002-04-21 Hitachi Ltd Semiconductor device and its manufacturing method
AU1765500A (en) * 1998-12-23 2000-07-31 Corporation Hypersecur Inc. Transceiver interface with selective secure and insecure data exchange modes
EP1030266B1 (de) * 1999-02-19 2009-05-06 Nippon Telegraph and Telephone Corporation Kontaktlose Chipkarte und System hierfür
JP3494067B2 (ja) * 1999-03-19 2004-02-03 日本電信電話株式会社 基地局通信装置、及び携帯無線通信装置への電力供給方法
FR2792135B1 (fr) 1999-04-07 2001-11-02 St Microelectronics Sa Fonctionnement en complage tres proche d'un systeme a transpondeur electromagnetique
FR2792130B1 (fr) * 1999-04-07 2001-11-16 St Microelectronics Sa Transpondeur electromagnetique a fonctionnement en couplage tres proche
FR2792132B1 (fr) 1999-04-07 2001-11-02 St Microelectronics Sa Borne de lecture d'un transpondeur electromagnetique fonctionnant en couplage tres proche
FR2792134B1 (fr) 1999-04-07 2001-06-22 St Microelectronics Sa Detection de distance entre un transpondeur electromagnetique et une borne
FR2792136B1 (fr) 1999-04-07 2001-11-16 St Microelectronics Sa Transmission en duplex dans un systeme de transpondeurs electromagnetiques
US6650226B1 (en) * 1999-04-07 2003-11-18 Stmicroelectronics S.A. Detection, by an electromagnetic transponder reader, of the distance separating it from a transponder
US6659352B1 (en) * 1999-06-02 2003-12-09 Matsushita Electric Industrial Co., Ltd. Semiconductor integrated circuit, a contactless information medium having the semiconductor integrated circuit, and a method of driving the semiconductor integrated circuit
FR2795891B1 (fr) * 1999-07-01 2007-04-20 France Telecom Composant micro-electronique integrant des moyens de traitement numerique asynchrone et une interface de couplage electromagnetique sans contact
US6134130A (en) * 1999-07-19 2000-10-17 Motorola, Inc. Power reception circuits for a device receiving an AC power signal
US7049935B1 (en) 1999-07-20 2006-05-23 Stmicroelectronics S.A. Sizing of an electromagnetic transponder system for a dedicated distant coupling operation
FR2796781A1 (fr) 1999-07-20 2001-01-26 St Microelectronics Sa Dimensionnement d'un systeme a transpondeur electromagnetique pour un fonctionnement en hyperproximite
JP3824451B2 (ja) * 1999-07-29 2006-09-20 富士通株式会社 非接触ｉｃカードの有無検出回路
EP1087332B1 (de) * 1999-09-22 2008-02-13 EM Microelectronic-Marin SA Transponder für unterschiedliche Einsatzzwecke
ATE386309T1 (de) 1999-09-22 2008-03-15 Em Microelectronic Marin Sa Transponder für unterschiedliche einsatzzwecke
EP1141879B1 (de) 1999-10-22 2013-08-07 Nxp B.V. Datenträger mit lastabhängigem modulationsmittel und mit verbesserter stromversorgungseinrichtung im lastabhängigem modulationsprozess
EP1109128B1 (de) * 1999-12-16 2006-08-23 Infineon Technologies AG Chipkarte mit zwei Demodulationseinrichtungen
FR2804557B1 (fr) * 2000-01-31 2003-06-27 St Microelectronics Sa Adaptation de la puissance d'emission d'un lecteur de transpondeur electromagnetique
EP1136940B1 (de) * 2000-03-22 2008-05-21 Infineon Technologies AG Chipkarte
JP2003532241A (ja) * 2000-05-05 2003-10-28 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ その共振回路の共振周波数を変更させる手段を備えるデータキャリヤ
FR2808946A1 (fr) 2000-05-12 2001-11-16 St Microelectronics Sa Validation de la presence d'un transpondeur electromagnetique dans le champ d'un lecteur
FR2808942B1 (fr) * 2000-05-12 2002-08-16 St Microelectronics Sa Validation de la presence d'un transpondeur electromagnetique dans le champ d'un lecteur a demodulation de phase
FR2808941B1 (fr) 2000-05-12 2002-08-16 St Microelectronics Sa Validation de la presence d'un transpondeur electromagnetique dans le champ d'un lecteur a demodulation d'amplitude
FR2808945B1 (fr) 2000-05-12 2002-08-16 St Microelectronics Sa Evaluation du nombre de transpondeurs electromagnetiques dans le champ d'un lecteur
FR2809251B1 (fr) * 2000-05-17 2003-08-15 St Microelectronics Sa Dispositif de production d'un champ electromagnetique pour transpondeur
FR2809235A1 (fr) * 2000-05-17 2001-11-23 St Microelectronics Sa Antenne de generation d'un champ electromagnetique pour transpondeur
FR2812986B1 (fr) * 2000-08-09 2002-10-31 St Microelectronics Sa Detection d'une signature electrique d'un transpondeur electromagnetique
US20030169169A1 (en) * 2000-08-17 2003-09-11 Luc Wuidart Antenna generating an electromagnetic field for transponder
JP3818045B2 (ja) * 2000-10-20 2006-09-06 株式会社日立製作所 改札機
KR100540890B1 (ko) * 2000-12-22 2006-01-10 한국전자통신연구원 비접촉식 ｉｃ 카드 시스템의 비접촉식 ｉｃ 카드 리더
FR2820532A1 (fr) * 2001-02-02 2002-08-09 Tagproduct Dispositif de communication sans contact avec une etiquette electronique
DE10162310A1 (de) * 2001-12-19 2003-07-03 Philips Intellectual Property Verfahren und Anordnung zur Übertragung von Signalen von erzeugenden Funktionseinheiten an verarbeitende Funktionseinheiten elektrischer Schaltungen
EP1474776B1 (de) * 2002-02-01 2008-11-26 Nxp B.V. Anpassung der spulenspannung eines transponders an die feldstärke
FR2835946A1 (fr) * 2002-02-11 2003-08-15 St Microelectronics Sa Transpondeur electromagnetique a code programmable
US6906612B2 (en) * 2002-04-11 2005-06-14 Lear Corporation System and method for vehicle passive entry having inside/outside detection
JP2004132890A (ja) * 2002-10-11 2004-04-30 Fujitsu Component Ltd 非接触ｉｃカードリーダ／ライタ装置、非接触ｉｃカード、入力装置、及び非接触ｉｃカードの位置算出方法
US6882236B2 (en) * 2002-11-05 2005-04-19 Magneto-Inductive Systems Limited Dynamically tuned amplifier for frequency shift keyed signals
JP2004166384A (ja) * 2002-11-12 2004-06-10 Sharp Corp 非接触型給電システムにおける電磁結合特性調整方法、給電装置、および非接触型給電システム
JP4564239B2 (ja) * 2003-04-11 2010-10-20 オリンパス株式会社 内視鏡装置
JP4104502B2 (ja) * 2003-07-25 2008-06-18 アルプス電気株式会社 パッシブキーレスエントリ装置
EP1667336B1 (de) * 2003-09-19 2013-05-01 Brother Kogyo Kabushiki Kaisha Funk-etiketten-leser/-schreiber
JP2005117153A (ja) * 2003-10-03 2005-04-28 Toshiba Corp 無線通信装置、無線通信方法、及び無線通信媒体
KR101152199B1 (ko) 2004-01-30 2012-06-15 가부시키가이샤 한도오따이 에네루기 켄큐쇼 반도체장치
JP4392256B2 (ja) * 2004-02-05 2009-12-24 株式会社ルネサステクノロジ 半導体集積回路装置及び非接触型ｉｃカード
JP2005229512A (ja) * 2004-02-16 2005-08-25 Seiko Epson Corp データ通信システム、データ通信装置、非接触通信媒体およびデータ通信装置制御プログラム
DE102004014203B4 (de) * 2004-03-23 2006-02-02 Infineon Technologies Ag Kontaktloser Datenträger mit Stromdemodulation
KR100663376B1 (ko) * 2004-07-23 2007-01-02 주식회사 모팩소프트 무선 통신 장치 및 그 방법
GB2418495B (en) * 2004-09-24 2010-04-28 Vision Rt Ltd Image processing system for use with a patient positioning device
FR2879382A1 (fr) * 2004-12-14 2006-06-16 St Microelectronics Sa Detection d'erreurs dans un signal en modulation d'amplitude
US7490817B2 (en) * 2005-01-04 2009-02-17 Bfs Diversified Products Llc Distance indicating system and method
DE602006011454D1 (de) * 2005-03-30 2010-02-11 Nxp Bv Integrierte schaltung mit externer schaltfunktionalität
CN101138144B (zh) * 2005-04-22 2012-05-16 株式会社大福 无接触供电设备的二次侧受电电路
US7364144B2 (en) * 2005-04-27 2008-04-29 Bfs Diversified Products, Llc Sensing and communication system and method
CN101189624A (zh) * 2005-05-23 2008-05-28 Nxp股份有限公司 电子通信系统、具体是认证控制系统及相应的方法
FR2890207B1 (fr) * 2005-08-23 2007-11-02 Inside Contactless Sa Lecteur a couplage inductif comprenant des moyens d'extraction d'une tension d'alimentation electrique
DE102005044194B4 (de) * 2005-09-09 2007-11-15 Infineon Technologies Ag Messvorrichtung und Verfahren zum Messen von relativen Phasenlagen von digitalen Signalen
JP2007094886A (ja) * 2005-09-29 2007-04-12 Keyence Corp 無線タグリーダ／ライタ及び無線タグリード／ライト方法
US7420462B2 (en) * 2006-01-23 2008-09-02 Bfs Diversified Products, Llc Air spring distance indicating system and method
WO2007090114A2 (en) * 2006-02-01 2007-08-09 Vitaly Drucker Rfid tag, interrogator and system with improved symbol encoding and decoding
US7733239B2 (en) * 2006-05-08 2010-06-08 Bfs Diversified Products, Llc Distance determining system and method
CN101149816B (zh) * 2006-09-20 2010-05-26 鸿富锦精密工业（深圳）有限公司 具有磁场过强保护功能的无源射频识别芯片
JP2008104295A (ja) * 2006-10-19 2008-05-01 Voltex:Kk 非接触電源装置
JP5325415B2 (ja) * 2006-12-18 2013-10-23 株式会社半導体エネルギー研究所 半導体装置
US9774086B2 (en) 2007-03-02 2017-09-26 Qualcomm Incorporated Wireless power apparatus and methods
US7554473B2 (en) * 2007-05-02 2009-06-30 Cirrus Logic, Inc. Control system using a nonlinear delta-sigma modulator with nonlinear process modeling
WO2008146241A1 (en) * 2007-05-30 2008-12-04 Nxp B.V. Rfid device, rfid system and signal distortion pre-compensation process in rfid systems
US9124120B2 (en) 2007-06-11 2015-09-01 Qualcomm Incorporated Wireless power system and proximity effects
JP4488040B2 (ja) 2007-07-26 2010-06-23 Ｔｄｋ株式会社 無線通信用送受信装置、ｒｆｉｄシステム及び無線通信用送受信装置の受信方法
JP4285576B1 (ja) * 2007-12-04 2009-06-24 オムロン株式会社 非接触ｉｃ媒体通信装置とその方法、およびそのプログラム
US8576589B2 (en) 2008-01-30 2013-11-05 Cirrus Logic, Inc. Switch state controller with a sense current generated operating voltage
ITMO20080053A1 (it) * 2008-02-29 2009-09-01 Alma Mater Studiorum Uni Di Bologna Metodo e apparato per la comunicazione in sistemi rfid a banda ultra-larga
CN102037479B (zh) * 2008-05-19 2013-05-15 Nxp股份有限公司 Rfid发射机应答器
US8222872B1 (en) * 2008-09-30 2012-07-17 Cirrus Logic, Inc. Switching power converter with selectable mode auxiliary power supply
WO2010041189A1 (en) * 2008-10-09 2010-04-15 Nxp B.V. Antenna with a controllable switching element connecting two antenna portions
JP4668315B2 (ja) * 2008-12-02 2011-04-13 フェリカネットワークス株式会社 情報処理装置、通信制御方法、およびプログラム
SI23044A (sl) * 2009-04-14 2010-10-29 Ids D.O.O. Postopek in vezje za amplitudno moduliranje nosilnega signala s predpisanim modulacijskim faktorjem
JP5278197B2 (ja) * 2009-06-29 2013-09-04 ソニー株式会社 非接触通信装置および非接触通信方法
US9178415B1 (en) 2009-10-15 2015-11-03 Cirrus Logic, Inc. Inductor over-current protection using a volt-second value representing an input voltage to a switching power converter
US8487591B1 (en) 2009-12-31 2013-07-16 Cirrus Logic, Inc. Power control system with power drop out immunity and uncompromised startup time
US8313028B2 (en) 2010-02-17 2012-11-20 On Track Innovations Ltd. Multiple antenna reading system suitable for use with contactless transaction devices
US8195236B2 (en) 2010-06-16 2012-06-05 On Track Innovations Ltd. Retrofit contactless smart SIM functionality in mobile communicators
US8729811B2 (en) 2010-07-30 2014-05-20 Cirrus Logic, Inc. Dimming multiple lighting devices by alternating energy transfer from a magnetic storage element
US8866452B1 (en) 2010-08-11 2014-10-21 Cirrus Logic, Inc. Variable minimum input voltage based switching in an electronic power control system
US9510401B1 (en) 2010-08-24 2016-11-29 Cirrus Logic, Inc. Reduced standby power in an electronic power control system
US8424757B2 (en) 2010-12-06 2013-04-23 On Track Innovations Ltd. Contactless smart SIM functionality retrofit for mobile communication device
US9548674B2 (en) * 2010-12-15 2017-01-17 Central Japan Railway Company Electric power receiving device and method of receiving electric power
JP5597145B2 (ja) * 2011-02-08 2014-10-01 ルネサスエレクトロニクス株式会社 電力伝送装置
WO2012167127A1 (en) 2011-06-03 2012-12-06 Cirrus Logic, Inc. Control data determination from primary-side sensing of a secondary-side voltage in a switching power converter
WO2012167161A1 (en) 2011-06-03 2012-12-06 Cirrus Logic, Inc. Primary-side control of a switching power converter with feed forward delay compensation
JP5834655B2 (ja) * 2011-09-09 2015-12-24 ソニー株式会社 送信装置、送受信装置、及び集積回路
US9721721B2 (en) 2011-09-29 2017-08-01 Lg Innotek Co., Ltd. Wireless power transmitter, wireless power receiver and impedence control method
CN102364500B (zh) * 2011-10-18 2015-07-29 山东华翼微电子技术股份有限公司 无源rfid或非接触式智能卡芯片动态频率调整电路
EP2775616B1 (de) * 2011-11-25 2019-08-28 Oticon A/s HF-Sender für elektrisch kurze Antenne
US9071144B2 (en) 2011-12-14 2015-06-30 Cirrus Logic, Inc. Adaptive current control timing and responsive current control for interfacing with a dimmer
KR102065021B1 (ko) * 2012-01-24 2020-01-10 필립스 아이피 벤쳐스 비.브이. 무선 전력 제어 시스템
JP6337308B2 (ja) * 2012-05-20 2018-06-06 フィリップス アイピー ベンチャーズ ビー ヴィ ワイヤレス電源システムにおいて通信を行うシステム及び方法
JP2014023328A (ja) * 2012-07-20 2014-02-03 Heads Corp 非接触給電装置
US9520794B2 (en) 2012-07-25 2016-12-13 Philips Lighting Holding B.V Acceleration of output energy provision for a load during start-up of a switching power converter
CN103048538B (zh) * 2012-11-29 2015-07-22 焦作市神盾科技有限公司 射频卡综合频率测试方法和实现该方法的测试仪
KR102076586B1 (ko) 2013-03-07 2020-02-13 삼성전자주식회사 근거리 무선 통신 장치 및 이를 포함하는 전자 시스템
WO2014138629A1 (en) 2013-03-07 2014-09-12 Cirrus Logic, Inc. Utilizing secondary-side conduction time parameters of a switching power converter to provide energy to a load
WO2014186765A1 (en) 2013-05-17 2014-11-20 Cirrus Logic, Inc. Single pin control of bipolar junction transistor (bjt)-based power stage
US9735671B2 (en) 2013-05-17 2017-08-15 Cirrus Logic, Inc. Charge pump-based drive circuitry for bipolar junction transistor (BJT)-based power supply
EP2830229B1 (de) * 2013-07-25 2017-04-19 Nxp B.V. Mehrkanaliger Transponder und Verfahren zur Bestimmung eines am stärksten gekoppelten Kanals oder noch stärker gekoppelter Kanäle
WO2015017315A1 (en) 2013-07-29 2015-02-05 Cirrus Logic, Inc. Compensating for a reverse recovery time period of a bipolar junction transistor (bjt) in switch-mode operation of a light-emitting diode (led)-based bulb
WO2015017317A2 (en) 2013-07-29 2015-02-05 Cirrus Logic, Inc. Two terminal drive of bipolar junction transistor (bjt) for switch-mode operation of a light emitting diode (led)-based bulb
US9161401B1 (en) 2014-03-20 2015-10-13 Cirrus Logic, Inc. LED (light-emitting diode) string derived controller power supply
EP2930647B1 (de) 2014-04-11 2018-08-08 Nxp B.V. Kontaktlose Kommunikationsvorrichtung mit Empfängereingangsspannungsstabilisierung
US9214862B2 (en) 2014-04-17 2015-12-15 Philips International, B.V. Systems and methods for valley switching in a switching power converter
KR102232725B1 (ko) 2014-08-04 2021-03-26 삼성전자주식회사 Nfc 장치의 동작 방법 및 nfc 장치
US9325236B1 (en) 2014-11-12 2016-04-26 Koninklijke Philips N.V. Controlling power factor in a switching power converter operating in discontinuous conduction mode
US9504118B2 (en) 2015-02-17 2016-11-22 Cirrus Logic, Inc. Resistance measurement of a resistor in a bipolar junction transistor (BJT)-based power stage
US9609701B2 (en) 2015-02-27 2017-03-28 Cirrus Logic, Inc. Switch-mode drive sensing of reverse recovery in bipolar junction transistor (BJT)-based power converters
US9603206B2 (en) 2015-02-27 2017-03-21 Cirrus Logic, Inc. Detection and control mechanism for tail current in a bipolar junction transistor (BJT)-based power stage
CN112649784B (zh) * 2020-12-07 2023-07-04 西华大学 一种基于标签等效阻抗模型的无源射频标签测距技术

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7802132A (nl) * 1978-02-27 1979-08-29 Philips Nv Draagbaar element voor het opnemen, onthouden, afbeelden en afgeven van digitale informatie en reserveerinrichting voor gebruik in een reser- veringssysteem.
US4388524A (en) * 1981-09-16 1983-06-14 Walton Charles A Electronic identification and recognition system with code changeable reactance
JPS58154080A (ja) * 1982-03-05 1983-09-13 Arimura Giken Kk 識別信号発生装置
JPS58154081A (ja) * 1982-03-05 1983-09-13 Arimura Giken Kk 信号発生装置
JPS58151722A (ja) * 1982-03-05 1983-09-09 Arimura Giken Kk データ送信装置
US4546241A (en) * 1982-12-10 1985-10-08 Walton Charles A Electronic proximity identification system
GB8509135D0 (en) * 1985-04-10 1985-05-15 Gen Electric Co Plc Transaction system
US4837556A (en) * 1985-04-15 1989-06-06 Kabushiki Kaisha Nihon Denzai Kogyo Kenkyusho Signal transmission device
JPS62179994A (ja) * 1986-02-04 1987-08-07 カシオ計算機株式会社 電子カ−ド
US4782308A (en) * 1986-03-07 1988-11-01 Iskra-Sozd Elektrokovinske Industrije N.Sol.O Circuit arrangement of a reading device for electromagnetic identification cards
US4797541A (en) * 1986-04-14 1989-01-10 American Telephone and Telegraph Company--AT&T Information Systems Power regulator for a contactless credit card system
NL8601021A (nl) * 1986-04-22 1987-11-16 Nedap Nv Programmeerbare responder.
GB2197107B (en) * 1986-11-03 1990-12-12 Mars Inc Data-storing devices
US4918296A (en) * 1987-03-06 1990-04-17 Omron Tateisi Electronics Company Article identifying system
JPS63221951A (ja) * 1987-03-06 1988-09-14 Omron Tateisi Electronics Co 物品識別システム
US4918416A (en) * 1987-03-18 1990-04-17 Sielox Systems, Inc. Electronic proximity identification system
IL82025A (en) * 1987-03-27 1993-07-08 Galil Electro Ltd Electronic data communications system
US5153583A (en) * 1987-11-18 1992-10-06 Uniscan Ltd. Transponder
WO1989007295A1 (en) * 1988-02-04 1989-08-10 Magellan Corporation (Australia) Pty. Ltd. Shunt regulator
JPH01123269U (de) * 1988-02-16 1989-08-22
US5126745A (en) * 1989-05-05 1992-06-30 Texas Instruments Deutschland Gmbh Circuit arrangement for generating a control signal in dependence upon the occurrence of an extreme value of a sinusoidal oscillation and use of such a circuit arrangement
US5227740A (en) * 1989-05-05 1993-07-13 Texas Instruments Deutschland Gmbh Oscillation maintenance circuit
JPH03171384A (ja) * 1989-11-30 1991-07-24 Sony Corp 情報読取装置
JPH0772907B2 (ja) * 1989-12-21 1995-08-02 三菱電機株式会社 マイクロコンピュータ及びこれを用いた非接触ｉｃカード
JP2569194B2 (ja) * 1990-03-13 1997-01-08 三菱電機株式会社 マイクロコンピュータ及びこれを用いた非接触ｉｃカード
JP2527267B2 (ja) * 1990-04-19 1996-08-21 三菱電機株式会社 非接触型可搬担体
US5241160A (en) * 1990-12-28 1993-08-31 On Track Innovations Ltd. System and method for the non-contact transmission of data
DK0510220T3 (de) * 1991-04-23 1997-02-17 Siemens Ag
JPH0528330A (ja) * 1991-07-24 1993-02-05 Mitsubishi Electric Corp 非接触型可搬担体及びその初期化方法
JPH05128319A (ja) * 1991-11-06 1993-05-25 Mitsubishi Electric Corp 情報カードシステム
JPH05128324A (ja) * 1991-11-07 1993-05-25 Mitsubishi Electric Corp 非接触カード、非接触カード用端末機及び非接触伝送システム
JPH05135224A (ja) * 1991-11-08 1993-06-01 Omron Corp 非接触通信装置
DE69232627T2 (de) * 1991-11-12 2002-12-12 Dainippon Printing Co Ltd Verfahren zur kontaktfreien Kommunikation zwischen einem Halbleiter- Datenaufzeichnungsträger und einer Lese-/Schreibvorrichtung
JP2690229B2 (ja) * 1991-11-26 1997-12-10 三菱電機株式会社 非接触ｉｃカード
DE4227551A1 (de) * 1992-08-20 1994-02-24 Eurosil Electronic Gmbh Chip-Karte mit Feldstärkedetektor
US5434396A (en) * 1992-11-10 1995-07-18 Xicor Inc. Wireless powering and communication system for communicating data between a host system and a stand-alone device
JP2896031B2 (ja) * 1992-12-28 1999-05-31 三菱電機株式会社 非接触ｉｃカードの端末機および非接触ｉｃカードシステム
JPH087059A (ja) * 1994-06-21 1996-01-12 Sony Chem Corp 非接触情報カード
US5451763A (en) * 1994-07-05 1995-09-19 Alto Corporation Personal medical IC card and read/write unit
JPH08102701A (ja) * 1994-09-30 1996-04-16 Toshiba Corp 磁気結合回路駆動方式

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005020101A1 (de) * 2005-04-29 2007-01-25 Giesecke & Devrient Gmbh Tragbarer Datenträger und Verfahren zum Betreiben eines tragbaren Datenträgers
US7905420B2 (en) 2005-04-29 2011-03-15 Giesecke & Devrient Gmbh Portable data carrier and method for the operation of a portable data carrier
DE102011115721A1 (de) * 2011-10-12 2013-04-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. System zur drahtlosen Energieübertragung
DE102011115721B4 (de) 2011-10-12 2022-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. System zur drahtlosen Energieübertragung

Also Published As

Publication number Publication date
US5801372A (en) 1998-09-01
CN1111299C (zh) 2003-06-11
JPH0962816A (ja) 1997-03-07
US5874725A (en) 1999-02-23
TW324868B (en) 1998-01-11
CN1143227A (zh) 1997-02-19
DE69532399D1 (de) 2004-02-12
EP0706151A3 (de) 1996-12-18
EP0706151B1 (de) 2004-01-07
EP0706151A2 (de) 1996-04-10
US5831257A (en) 1998-11-03
KR100223989B1 (ko) 1999-10-15
KR960015323A (ko) 1996-05-22
US5698838A (en) 1997-12-16

Similar Documents

Publication Publication Date Title
DE69532399T2 (de) Kontaktlose IC-Karte
DE69522532D1 (de) Kartenleser
DE69617304T2 (de) IC Karte
KR960011779A (ko) 스마트 식별 카드
DE69322929T2 (de) IC Kartenleser
DE69522272D1 (de) Berührungslose Informationskarten
DE69925530D1 (de) IC-Kartenleser
DE69223381T2 (de) Kontaktlose ic-karte
DE59308345D1 (de) IC-Karte
DE69733673D1 (de) Ic-karte
DE69122845T2 (de) Kontaktlose IC-Karte
DE69314533T2 (de) IC-Karte
DE69805412T2 (de) Kontaktlose chipkarte
DE69831394D1 (de) Ic-karte
DE69840767D1 (de) Chipkartenleser
DE59704988D1 (de) Chipkarten-lesegerät
DE69801150D1 (de) Kontaktlose chipkarte
DE69529644D1 (de) Kartenleser
DE69602942D1 (de) Chipkartenleser
DE59510967D1 (de) Chipkarte
DE69502697D1 (de) Ic-kommunikationskarte
DE69807312T2 (de) Chipkartenleser
DE59510642D1 (de) Chipkartenleser
DE69507292T2 (de) Chipkarte
FI955849A (fi) Arvokorttien lukulaite

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee