DE60040113D1 - Enggekoppeltes Betriebsverfahren eines elektromagnetischen Transpondersystem - Google Patents

Enggekoppeltes Betriebsverfahren eines elektromagnetischen Transpondersystem

Info

Publication number
DE60040113D1
DE60040113D1 DE60040113T DE60040113T DE60040113D1 DE 60040113 D1 DE60040113 D1 DE 60040113D1 DE 60040113 T DE60040113 T DE 60040113T DE 60040113 T DE60040113 T DE 60040113T DE 60040113 D1 DE60040113 D1 DE 60040113D1
Authority
DE
Germany
Prior art keywords
transponder system
electromagnetic transponder
coupled operation
narrow
narrow coupled
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 - Lifetime
Application number
DE60040113T
Other languages
English (en)
Inventor
Luc Wuidart
Michel Bardouillet
Jean-Pierre Enguent
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.)
STMicroelectronics SA
Original Assignee
STMicroelectronics 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 STMicroelectronics SA filed Critical STMicroelectronics SA
Application granted granted Critical
Publication of DE60040113D1 publication Critical patent/DE60040113D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G06K19/0701—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 at least one of the integrated circuit chips comprising an arrangement for power management
    • 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
    • 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
DE60040113T 1999-04-07 2000-04-06 Enggekoppeltes Betriebsverfahren eines elektromagnetischen Transpondersystem Expired - Lifetime DE60040113D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9904548A FR2792135B1 (fr) 1999-04-07 1999-04-07 Fonctionnement en complage tres proche d'un systeme a transpondeur electromagnetique

Publications (1)

Publication Number Publication Date
DE60040113D1 true DE60040113D1 (de) 2008-10-16

Family

ID=9544293

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60040113T Expired - Lifetime DE60040113D1 (de) 1999-04-07 2000-04-06 Enggekoppeltes Betriebsverfahren eines elektromagnetischen Transpondersystem

Country Status (5)

Country Link
US (1) US6703921B1 (de)
EP (1) EP1045336B1 (de)
JP (1) JP2000341171A (de)
DE (1) DE60040113D1 (de)
FR (1) FR2792135B1 (de)

Families Citing this family (119)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2781074B1 (fr) * 1998-07-08 2006-04-28 Commissariat Energie Atomique Interface analogique pour circuit d'echange d'informations autonome
FR2796781A1 (fr) 1999-07-20 2001-01-26 St Microelectronics Sa Dimensionnement d'un systeme a transpondeur electromagnetique pour un fonctionnement en hyperproximite
US7049935B1 (en) 1999-07-20 2006-05-23 Stmicroelectronics S.A. Sizing of an electromagnetic transponder system for a dedicated distant coupling operation
FR2804557B1 (fr) * 2000-01-31 2003-06-27 St Microelectronics Sa Adaptation de la puissance d'emission d'un lecteur de transpondeur electromagnetique
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
FR2808945B1 (fr) * 2000-05-12 2002-08-16 St Microelectronics Sa Evaluation du nombre de transpondeurs electromagnetiques dans le champ d'un lecteur
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
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
FR2809235A1 (fr) * 2000-05-17 2001-11-23 St Microelectronics Sa Antenne de generation d'un champ electromagnetique pour transpondeur
FR2809251B1 (fr) * 2000-05-17 2003-08-15 St Microelectronics Sa Dispositif de production 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
DE10357665A1 (de) * 2003-01-10 2004-07-22 Atmel Germany Gmbh Schaltungsanordnung zur Bereitstellung elektrischer Leistung aus einem elektromagnetischen Feld
US6940467B2 (en) 2003-01-10 2005-09-06 Atmel Germany Gmbh Circuit arrangement and method for deriving electrical power from an electromagnetic field
DE10301451A1 (de) * 2003-01-10 2004-07-22 Atmel Germany Gmbh Verfahren sowie Sende- und Empfangseinrichtung zur drahtlosen Datenübertragung und Modulationseinrichtung
EP1610257A1 (de) * 2004-06-23 2005-12-28 St Microelectronics S.A. Impedanzanpassung in einem Gerät zum Lesen elektromagnetischer Transpondern
WO2006005565A1 (de) * 2004-07-12 2006-01-19 Atmel Germany Gmbh Modulator und modulationsverfahren für eine einrichtung zur drahtlosen datenübertragung
JP4130650B2 (ja) * 2004-11-10 2008-08-06 株式会社東芝 ディジタル復調回路及びこれを用いた無線受信装置
DE102005005812A1 (de) * 2005-02-09 2006-08-17 Atmel Germany Gmbh Schaltungsanordnung und Verfahren zur Spannungsversorgung eines Transponders
US7689195B2 (en) * 2005-02-22 2010-03-30 Broadcom Corporation Multi-protocol radio frequency identification transponder tranceiver
US7519400B2 (en) * 2005-05-27 2009-04-14 Dei Headquarters, Inc. Multi-modulation remote control communication system
US7825543B2 (en) 2005-07-12 2010-11-02 Massachusetts Institute Of Technology Wireless energy transfer
AU2006269374C1 (en) 2005-07-12 2010-03-25 Massachusetts Institute Of Technology Wireless non-radiative energy transfer
DE102005044438A1 (de) * 2005-09-16 2007-03-22 Giesecke & Devrient Gmbh Mit einem Transponder betätigbare Schaltvorrichtung
US8805530B2 (en) 2007-06-01 2014-08-12 Witricity Corporation Power generation for implantable devices
US9421388B2 (en) 2007-06-01 2016-08-23 Witricity Corporation Power generation for implantable devices
US7868481B2 (en) * 2007-11-19 2011-01-11 Infineon Technologies Ag Emergency capacitor for a contactless device
CN102016602B (zh) * 2008-04-30 2013-04-03 意法半导体(鲁塞)公司 相对于旋转轴线的距离变化的检测
US8947186B2 (en) 2008-09-27 2015-02-03 Witricity Corporation Wireless energy transfer resonator thermal management
US8482158B2 (en) 2008-09-27 2013-07-09 Witricity Corporation Wireless energy transfer using variable size resonators and system monitoring
US8912687B2 (en) 2008-09-27 2014-12-16 Witricity Corporation Secure wireless energy transfer for vehicle applications
US9396867B2 (en) 2008-09-27 2016-07-19 Witricity Corporation Integrated resonator-shield structures
US9105959B2 (en) 2008-09-27 2015-08-11 Witricity Corporation Resonator enclosure
US8692412B2 (en) * 2008-09-27 2014-04-08 Witricity Corporation Temperature compensation in a wireless transfer system
US9093853B2 (en) 2008-09-27 2015-07-28 Witricity Corporation Flexible resonator attachment
US9601270B2 (en) 2008-09-27 2017-03-21 Witricity Corporation Low AC resistance conductor designs
US9160203B2 (en) 2008-09-27 2015-10-13 Witricity Corporation Wireless powered television
US8598743B2 (en) 2008-09-27 2013-12-03 Witricity Corporation Resonator arrays for wireless energy transfer
US9318922B2 (en) 2008-09-27 2016-04-19 Witricity Corporation Mechanically removable wireless power vehicle seat assembly
US8907531B2 (en) 2008-09-27 2014-12-09 Witricity Corporation Wireless energy transfer with variable size resonators for medical applications
US8946938B2 (en) 2008-09-27 2015-02-03 Witricity Corporation Safety systems for wireless energy transfer in vehicle applications
US8901778B2 (en) 2008-09-27 2014-12-02 Witricity Corporation Wireless energy transfer with variable size resonators for implanted medical devices
US8723366B2 (en) * 2008-09-27 2014-05-13 Witricity Corporation Wireless energy transfer resonator enclosures
US20100277121A1 (en) * 2008-09-27 2010-11-04 Hall Katherine L Wireless energy transfer between a source and a vehicle
US8669676B2 (en) 2008-09-27 2014-03-11 Witricity Corporation Wireless energy transfer across variable distances using field shaping with magnetic materials to improve the coupling factor
US8901779B2 (en) 2008-09-27 2014-12-02 Witricity Corporation Wireless energy transfer with resonator arrays for medical applications
US9577436B2 (en) 2008-09-27 2017-02-21 Witricity Corporation Wireless energy transfer for implantable devices
US8772973B2 (en) 2008-09-27 2014-07-08 Witricity Corporation Integrated resonator-shield structures
US8922066B2 (en) 2008-09-27 2014-12-30 Witricity Corporation Wireless energy transfer with multi resonator arrays for vehicle applications
US20110074346A1 (en) * 2009-09-25 2011-03-31 Hall Katherine L Vehicle charger safety system and method
US8963488B2 (en) 2008-09-27 2015-02-24 Witricity Corporation Position insensitive wireless charging
US8643326B2 (en) 2008-09-27 2014-02-04 Witricity Corporation Tunable wireless energy transfer systems
US9106203B2 (en) 2008-09-27 2015-08-11 Witricity Corporation Secure wireless energy transfer in medical applications
US9601261B2 (en) * 2008-09-27 2017-03-21 Witricity Corporation Wireless energy transfer using repeater resonators
US8928276B2 (en) 2008-09-27 2015-01-06 Witricity Corporation Integrated repeaters for cell phone applications
US9246336B2 (en) 2008-09-27 2016-01-26 Witricity Corporation Resonator optimizations for wireless energy transfer
US20110043049A1 (en) * 2008-09-27 2011-02-24 Aristeidis Karalis Wireless energy transfer with high-q resonators using field shaping to improve k
US9065423B2 (en) 2008-09-27 2015-06-23 Witricity Corporation Wireless energy distribution system
US9035499B2 (en) 2008-09-27 2015-05-19 Witricity Corporation Wireless energy transfer for photovoltaic panels
US8957549B2 (en) 2008-09-27 2015-02-17 Witricity Corporation Tunable wireless energy transfer for in-vehicle applications
US9744858B2 (en) 2008-09-27 2017-08-29 Witricity Corporation System for wireless energy distribution in a vehicle
US9184595B2 (en) 2008-09-27 2015-11-10 Witricity Corporation Wireless energy transfer in lossy environments
US9601266B2 (en) 2008-09-27 2017-03-21 Witricity Corporation Multiple connected resonators with a single electronic circuit
US8937408B2 (en) 2008-09-27 2015-01-20 Witricity Corporation Wireless energy transfer for medical applications
US8497601B2 (en) 2008-09-27 2013-07-30 Witricity Corporation Wireless energy transfer converters
US20100259110A1 (en) * 2008-09-27 2010-10-14 Kurs Andre B Resonator optimizations for wireless energy transfer
US9515494B2 (en) 2008-09-27 2016-12-06 Witricity Corporation Wireless power system including impedance matching network
US9544683B2 (en) 2008-09-27 2017-01-10 Witricity Corporation Wirelessly powered audio devices
US8933594B2 (en) 2008-09-27 2015-01-13 Witricity Corporation Wireless energy transfer for vehicles
EP2345100B1 (de) 2008-10-01 2018-12-05 Massachusetts Institute of Technology Effiziente nahfeld-drahtlosenergieübertragung anhand adiabatischer systemveränderungen
JP4865001B2 (ja) * 2009-04-13 2012-02-01 株式会社日本自動車部品総合研究所 非接触給電設備、非接触受電装置および非接触給電システム
US20110018692A1 (en) * 2009-05-28 2011-01-27 Patrick Smith Methods and Systems for Validating Code from a Wireless Device
FR2947075A1 (fr) 2009-06-19 2010-12-24 St Microelectronics Rousset Evaluation resistive du facteur de couplage d'un transpondeur electromagnetique
FR2947073A1 (fr) * 2009-06-19 2010-12-24 St Microelectronics Rousset Gestion d'energie dans un transpondeur electromagnetique
FR2947362A1 (fr) * 2009-06-25 2010-12-31 St Microelectronics Sas Authentification d'un terminal par un transpondeur electromagnetique
FR2947364A1 (fr) * 2009-06-25 2010-12-31 St Microelectronics Sas Authentification d'un couple terminal-transpondeur electromagnetique par le terminal
US9602168B2 (en) 2010-08-31 2017-03-21 Witricity Corporation Communication in wireless energy transfer systems
FR2973538A1 (fr) * 2011-03-30 2012-10-05 France Telecom Procede et dispositif de reperage de la position d'un transpondeur
FR2976105B1 (fr) 2011-06-03 2013-05-17 St Microelectronics Rousset Securisation d'une communication par un transpondeur electromagnetique
FR2976102B1 (fr) 2011-06-03 2013-05-17 St Microelectronics Rousset Assistance au positionnement d'un transpondeur
FR2976104B1 (fr) 2011-06-03 2013-11-15 St Microelectronics Rousset Securisation d'une communication entre un transpondeur electromagnetique et un terminal
FR2976103B1 (fr) 2011-06-03 2013-05-17 St Microelectronics Rousset Aide au positionnement d'un transpondeur
US9948145B2 (en) 2011-07-08 2018-04-17 Witricity Corporation Wireless power transfer for a seat-vest-helmet system
US9449265B1 (en) * 2011-08-02 2016-09-20 Impinj International Ltd. RFID tags with port-dependent functionality
CN108110907B (zh) 2011-08-04 2022-08-02 韦特里西提公司 可调谐无线电源架构
ES2558182T3 (es) 2011-09-09 2016-02-02 Witricity Corporation Detección de objetos extraños en sistemas de transferencia de energía inalámbricos
US20130062966A1 (en) 2011-09-12 2013-03-14 Witricity Corporation Reconfigurable control architectures and algorithms for electric vehicle wireless energy transfer systems
US9318257B2 (en) 2011-10-18 2016-04-19 Witricity Corporation Wireless energy transfer for packaging
KR20140085591A (ko) 2011-11-04 2014-07-07 위트리시티 코포레이션 무선 에너지 전송 모델링 툴
US9306635B2 (en) 2012-01-26 2016-04-05 Witricity Corporation Wireless energy transfer with reduced fields
US9343922B2 (en) 2012-06-27 2016-05-17 Witricity Corporation Wireless energy transfer for rechargeable batteries
US9287607B2 (en) 2012-07-31 2016-03-15 Witricity Corporation Resonator fine tuning
US9595378B2 (en) 2012-09-19 2017-03-14 Witricity Corporation Resonator enclosure
CN109969007A (zh) 2012-10-19 2019-07-05 韦特里西提公司 无线能量传输系统中的外来物检测
US9842684B2 (en) 2012-11-16 2017-12-12 Witricity Corporation Systems and methods for wireless power system with improved performance and/or ease of use
US9857821B2 (en) 2013-08-14 2018-01-02 Witricity Corporation Wireless power transfer frequency adjustment
US9780573B2 (en) 2014-02-03 2017-10-03 Witricity Corporation Wirelessly charged battery system
US9952266B2 (en) 2014-02-14 2018-04-24 Witricity Corporation Object detection for wireless energy transfer systems
WO2015161035A1 (en) 2014-04-17 2015-10-22 Witricity Corporation Wireless power transfer systems with shield openings
US9842687B2 (en) 2014-04-17 2017-12-12 Witricity Corporation Wireless power transfer systems with shaped magnetic components
US9837860B2 (en) 2014-05-05 2017-12-05 Witricity Corporation Wireless power transmission systems for elevators
EP3140680B1 (de) 2014-05-07 2021-04-21 WiTricity Corporation Fremdkörpererkennung in systemen zur drahtlosen energieübertragung
WO2015196123A2 (en) 2014-06-20 2015-12-23 Witricity Corporation Wireless power transfer systems for surfaces
US9842688B2 (en) 2014-07-08 2017-12-12 Witricity Corporation Resonator balancing in wireless power transfer systems
US10574091B2 (en) 2014-07-08 2020-02-25 Witricity Corporation Enclosures for high power wireless power transfer systems
US9937124B2 (en) 2014-09-11 2018-04-10 International Business Machines Corporation Microchip substance delivery devices having low-power electromechanical release mechanisms
US9843217B2 (en) 2015-01-05 2017-12-12 Witricity Corporation Wireless energy transfer for wearables
US9755701B2 (en) * 2015-03-31 2017-09-05 International Business Machines Corporation Hybrid tag for radio frequency identification system
US9734371B2 (en) 2015-03-31 2017-08-15 International Business Machines Corporation Hybrid tag for radio frequency identification system
US10248899B2 (en) 2015-10-06 2019-04-02 Witricity Corporation RFID tag and transponder detection in wireless energy transfer systems
US9929721B2 (en) 2015-10-14 2018-03-27 Witricity Corporation Phase and amplitude detection in wireless energy transfer systems
US10063110B2 (en) 2015-10-19 2018-08-28 Witricity Corporation Foreign object detection in wireless energy transfer systems
EP3365958B1 (de) 2015-10-22 2020-05-27 WiTricity Corporation Dynamische abstimmung in system zum drahtlosen energietransfer
US10881788B2 (en) 2015-10-30 2021-01-05 International Business Machines Corporation Delivery device including reactive material for programmable discrete delivery of a substance
US10075019B2 (en) 2015-11-20 2018-09-11 Witricity Corporation Voltage source isolation in wireless power transfer systems
US10263473B2 (en) 2016-02-02 2019-04-16 Witricity Corporation Controlling wireless power transfer systems
WO2017139406A1 (en) 2016-02-08 2017-08-17 Witricity Corporation Pwm capacitor control
FR3056793A1 (fr) * 2016-09-29 2018-03-30 Stmicroelectronics (Rousset) Sas Procede de detection de la presence eventuelle d'un objet par un lecteur sans contact, et lecteur correspondant
WO2019006376A1 (en) 2017-06-29 2019-01-03 Witricity Corporation PROTECTION AND CONTROL OF WIRELESS POWER SYSTEMS

Family Cites Families (93)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB579414A (en) 1941-10-15 1946-08-02 Standard Telephones Cables Ltd Improvements in or relating to electric wave filters
US5202644A (en) 1959-06-11 1993-04-13 Ail Systems, Inc. Receiver apparatus
US3618089A (en) 1969-01-29 1971-11-02 Moran Instr Corp Range and time measure system
GB1341025A (en) 1970-11-17 1973-12-19 English Electric Co Ltd Data transmission over mains supplies
US4068232A (en) 1976-02-12 1978-01-10 Fairchild Industries, Inc. Passive encoding microwave transponder
JPS53120295A (en) 1977-03-30 1978-10-20 Toshiba Corp Subject discrimination device
DK362277A (da) 1977-08-15 1979-02-16 Medibit A S Elektronisk informationssystem
DK146108C (da) 1978-11-13 1983-11-21 Medibit A S Fremgangsmaade til overfoering af information samt anlaeg til udoevelse af fremgangsmaaden
US4278977A (en) 1979-05-04 1981-07-14 Rca Corporation Range determining system
ATE14055T1 (de) 1980-04-28 1985-07-15 Paul Rouet Verfahren und anlage zur nachrichten- und steueruebertragung auf ein versorgungsnetz fuer wechselstrom.
US4928108A (en) 1983-12-20 1990-05-22 Bsh Electronics, Ltd. Electrical signal separating device having isolating and matching circuitry for split passband matching
US4593412A (en) 1984-05-21 1986-06-03 Multi-Elmac Company Integrated oscillator antenna for low power, low harmonic radiation
US4706050A (en) 1984-09-22 1987-11-10 Smiths Industries Public Limited Company Microstrip devices
US4656472A (en) 1985-01-23 1987-04-07 Walton Charles A Proximity identification system with power aided identifier
JPS61196603A (ja) 1985-02-26 1986-08-30 Mitsubishi Electric Corp アンテナ
US4660192A (en) 1985-04-11 1987-04-21 Pomatto Sr Robert P Simultaneous AM and FM transmitter and receiver
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
GB2197107B (en) 1986-11-03 1990-12-12 Mars Inc Data-storing devices
IL82025A (en) 1987-03-27 1993-07-08 Galil Electro Ltd Electronic data communications system
US4802080A (en) 1988-03-18 1989-01-31 American Telephone And Telegraph Company, At&T Information Systems Power transfer circuit including a sympathetic resonator
US5701121A (en) 1988-04-11 1997-12-23 Uniscan Ltd. Transducer and interrogator device
JP2612190B2 (ja) 1988-08-31 1997-05-21 山武ハネウエル株式会社 応答装置と質問装置からなる全二重通信装置
US5055853A (en) 1988-10-03 1991-10-08 Garnier Robert C Magnetic frill generator
EP0369622A3 (de) 1988-11-09 1991-04-17 Security Tag Systems, Inc. Nahlesen eines kodierten Etiketts
US5305008A (en) 1991-08-12 1994-04-19 Integrated Silicon Design Pty. Ltd. Transponder system
US5099227A (en) 1989-07-18 1992-03-24 Indala Corporation Proximity detecting apparatus
US5126749A (en) 1989-08-25 1992-06-30 Kaltner George W Individually fed multiloop antennas for electronic security systems
US5142292A (en) 1991-08-05 1992-08-25 Checkpoint Systems, Inc. Coplanar multiple loop antenna for electronic article surveillance systems
US5214409A (en) * 1991-12-03 1993-05-25 Avid Corporation Multi-memory electronic identification tag
WO1993017482A2 (en) 1992-02-29 1993-09-02 Scantronic Limited Power supply and smoke sensor for alarm system
SE469959B (sv) 1992-03-06 1993-10-11 Electrolux Ab Anordning för överföring av styrkommandon i en med växelström driven apparat eller maskin
KR100251666B1 (ko) 1992-04-29 2000-04-15 윌리엄 비. 켐플러 충전제어에의한무선주파수식별시스템
US5452344A (en) 1992-05-29 1995-09-19 Datran Systems Corporation Communication over power lines
NL9201270A (nl) 1992-07-15 1994-02-01 Nedap Nv Antiwinkeldiefstal-antenne met draaiveld.
JP2747395B2 (ja) 1992-07-20 1998-05-06 三菱電機株式会社 非接触ｉｃカード、非接触ｉｃカードリーダライタ及びデータ伝送方法
US5850416A (en) 1993-06-30 1998-12-15 Lucent Technologies, Inc. Wireless transmitter-receiver information device
US5324315A (en) * 1993-08-12 1994-06-28 Medtronic, Inc. Closed-loop downlink telemetry and method for implantable medical device
US5541604A (en) 1993-09-03 1996-07-30 Texas Instruments Deutschland Gmbh Transponders, Interrogators, systems and methods for elimination of interrogator synchronization requirement
NL9301650A (nl) 1993-09-24 1995-04-18 Nedap Nv Onafhankelijk antennestelsel voor detectiesystemen.
JPH085731A (ja) 1993-10-04 1996-01-12 Texas Instr Deutschland Gmbh Ｒｆ−ｉｄトランスポンダの位置の決定
US5521602A (en) 1994-02-10 1996-05-28 Racom Systems, Inc. Communications system utilizing FSK/PSK modulation techniques
JP3263751B2 (ja) 1994-03-08 2002-03-11 ソニー株式会社 スイッチング電源
US5504485A (en) 1994-07-21 1996-04-02 Amtech Corporation System for preventing reading of undesired RF signals
US5550536A (en) 1994-08-17 1996-08-27 Texas Instruments Deutschland Gmbh Circuit frequency following technique transponder resonant
FR2724477B1 (fr) 1994-09-13 1997-01-10 Gemplus Card Int Procede de fabrication de cartes sans contact
JPH0962816A (ja) 1994-10-06 1997-03-07 Mitsubishi Electric Corp 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
JPH08123919A (ja) * 1994-10-28 1996-05-17 Mitsubishi Electric Corp 非接触ｉｃカードシステムおよびその通信方法
JPH08191259A (ja) * 1995-01-11 1996-07-23 Sony Chem Corp 非接触式ｉｃカードシステム用送受信装置
GB9503352D0 (en) 1995-02-21 1995-04-12 Sinnett Glyn Remote control system
US5604411A (en) 1995-03-31 1997-02-18 Philips Electronics North America Corporation Electronic ballast having a triac dimming filter with preconditioner offset control
US5691605A (en) 1995-03-31 1997-11-25 Philips Electronics North America Electronic ballast with interface circuitry for multiple dimming inputs
JPH095430A (ja) * 1995-06-22 1997-01-10 Fujitsu Ten Ltd トランスポンダ用アンテナ駆動装置
US6243013B1 (en) 1999-01-08 2001-06-05 Intermec Ip Corp. Cascaded DC voltages of multiple antenna RF tag front-end circuits
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
JPH09218263A (ja) 1995-10-11 1997-08-19 Texas Instr Inc <Ti> トランスポンダ・システム及びその動作方法
DE19541855C1 (de) 1995-11-09 1997-02-20 Siemens Ag Diebstahlschutzsystem für ein Kraftfahrzeug
NL1001761C2 (nl) 1995-11-28 1997-05-30 Ronald Barend Van Santbrink Stelsel voor contactloze data-uitwisseling tussen een lees- en schrijf- eenheid en één of meer informatiedragers.
DE19546928A1 (de) 1995-12-15 1997-06-19 Diehl Ident Gmbh Einrichtung zur hochfrequenten Übermittlung einer Information
SE506449C2 (sv) 1996-02-12 1997-12-15 Rso Corp Artikelövervakningssystem
FR2746200B1 (fr) 1996-03-12 1998-05-29 Dispositif d'echange d'informations sans contact avec une etiquette electronique
DE19621076C2 (de) 1996-05-24 2001-06-28 Siemens Ag Vorrichtung und Verfahren zum kontaktlosen Übertragen von Energie oder Daten
AUPO055296A0 (en) * 1996-06-19 1996-07-11 Integrated Silicon Design Pty Ltd Enhanced range transponder system
DE19632282A1 (de) 1996-08-09 1998-02-19 Holzer Walter Prof Dr H C Ing Verfahren und Einrichtung zur Helligkeitssteuerung von Leuchtstofflampen
ES2179369T3 (es) * 1996-09-13 2003-01-16 Atmel Germany Gmbh Procedimiento para la sintonizacion de un circuito receptor de amplificador sintonizado de un transpondedor en un sistema de identificacion por radiofrecuencia.
JPH10145267A (ja) 1996-09-13 1998-05-29 Hitachi Ltd 高効率アンテナコイル並びに無線カードおよび無線カードを用いた情報通信システム
US6446049B1 (en) 1996-10-25 2002-09-03 Pole/Zero Corporation Method and apparatus for transmitting a digital information signal and vending system incorporating same
JP2000504421A (ja) 1996-11-05 2000-04-11 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 同期復調器付非接触データ送受信装置
FR2757952B1 (fr) * 1996-12-27 1999-03-19 Gemplus Card Int Transpondeur radioelectrique muni d'une antenne et d'un circuit de desaccord en frequence
JPH10203066A (ja) 1997-01-28 1998-08-04 Hitachi Ltd 非接触ｉｃカード
GB2321726A (en) 1997-01-30 1998-08-05 Motorola Inc Apparatus and method for regulating power on a contactless portable data carrier
TW376598B (en) * 1997-02-05 1999-12-11 Em Microelectronic Marin Sa Base station for a contactless interrogation system comprising a phase locked and voltage controlled oscillator
EP0857981B1 (de) 1997-02-05 2002-12-11 EM Microelectronic-Marin SA Basisstation eines Fernabfragesystems mit spannungsgesteuertem und phasengeregeltem Oszillator
US5883582A (en) * 1997-02-07 1999-03-16 Checkpoint Systems, Inc. Anticollision protocol for reading multiple RFID tags
US6208235B1 (en) 1997-03-24 2001-03-27 Checkpoint Systems, Inc. Apparatus for magnetically decoupling an RFID tag
JP3427668B2 (ja) 1997-04-01 2003-07-22 株式会社村田製作所 アンテナ装置
JPH1131913A (ja) 1997-05-15 1999-02-02 Murata Mfg Co Ltd チップアンテナ及びそれを用いた移動体通信機
US6025780A (en) 1997-07-25 2000-02-15 Checkpoint Systems, Inc. RFID tags which are virtually activated and/or deactivated and apparatus and methods of using same in an electronic security system
JPH1166248A (ja) * 1997-08-12 1999-03-09 Mitsubishi Electric Corp 非接触型ｉｃカード
US5986570A (en) 1997-09-03 1999-11-16 Micron Communications, Inc. Method for resolving signal collisions between multiple RFID transponders in a field
JPH11177027A (ja) 1997-09-15 1999-07-02 Microchip Technol Inc 集積回路半導体チップ及び誘導性コイルを含む片面パッケージ並びにその製造方法
US6393045B1 (en) * 1997-09-26 2002-05-21 Wherenet Corp. Spread spectrum baseband modulation of magnetic fields for communications and proximity sensing
GB9727042D0 (en) 1997-12-22 1998-02-18 Advanced Technology Communicat Tag and detection system
US6100788A (en) 1997-12-29 2000-08-08 Storage Technology Corporation Multifunctional electromagnetic transponder device and method for performing same
US6281794B1 (en) 1998-01-02 2001-08-28 Intermec Ip Corp. Radio frequency transponder with improved read distance
BR9808937A (pt) 1998-02-19 2000-08-01 Motorola Inc Terminal de comunicação de dados e método de ajustar um sinal de força gerado do mesmo
TW386617U (en) 1998-02-23 2000-04-01 Kye Systems Corp High frequency wireless pointer apparatus
FR2781587B1 (fr) 1998-07-21 2000-09-08 Dassault Electronique Lecteur perfectionne pour badges sans contact
US5955950A (en) 1998-07-24 1999-09-21 Checkpoint Systems, Inc. Low noise signal generator for use with an RFID system
US6072383A (en) 1998-11-04 2000-06-06 Checkpoint Systems, Inc. RFID tag having parallel resonant circuit for magnetically decoupling tag from its environment
US6424820B1 (en) 1999-04-02 2002-07-23 Interval Research Corporation Inductively coupled wireless system and method
US6307468B1 (en) * 1999-07-20 2001-10-23 Avid Identification Systems, Inc. Impedance matching network and multidimensional electromagnetic field coil for a transponder interrogator
US6307517B1 (en) 2000-06-13 2001-10-23 Applied Wireless Identifications Group, Inc. Metal compensated radio frequency identification reader
US6229443B1 (en) 2000-06-23 2001-05-08 Single Chip Systems Apparatus and method for detuning of RFID tag to regulate voltage

Also Published As

Publication number Publication date
JP2000341171A (ja) 2000-12-08
EP1045336B1 (de) 2008-09-03
EP1045336A1 (de) 2000-10-18
FR2792135A1 (fr) 2000-10-13
FR2792135B1 (fr) 2001-11-02
US6703921B1 (en) 2004-03-09

Similar Documents

Publication Publication Date Title
DE60040113D1 (de) Enggekoppeltes Betriebsverfahren eines elektromagnetischen Transpondersystem
DE60040111D1 (de) Enggekoppelter elektromagnetischer Transponder
DK1200926T3 (da) Kortløst betalingsysstem
DE69813256T2 (de) Elektromagnetisches sensorsystem
DE60003923D1 (de) Magnetstreifen-lesegerät
FR2792405B1 (fr) Debimetre electromagnetique
NO986074D0 (no) Elektromagnetisk signalrepeteringsanordning
DE50009218D1 (de) Elektromagnetischer aktuator
FR2787655B1 (fr) Modulation capacitive dans un transpondeur electromagnetique
FI19992495A (fi) Lippujärjestelmä
DE69809703D1 (de) Elektromagnetische Bremse
NO20011686L (no) Vandige dispersjoner
DE50005621D1 (de) Hubschraubergetragene radaranlage
DE60119910D1 (de) Hochfrequenz-identifikationstransponder
DE59903464D1 (de) Elektromagnetventil
IT1306761B1 (it) Sistema di ausilio all&#39;atterraggio.
DE60025421D1 (de) Elektromagnetische Kupplung
DE59908817D1 (de) Wässrige zubereitungen
DE69837983D1 (de) Magnetisch induktiver Durchflussmesser
IT1308896B1 (it) Innesto elettromagnetico.
DE50010602D1 (de) Regelung eines ottomotors
DE50009241D1 (de) Antennensystem
GB2353436B (en) Tag interrogation system
DE69837521D1 (de) Elektromagnetische Kupplung
ID24905A (id) Peralatan untuk pendeteksian gelombang-gelombang elektromagnetik

Legal Events

Date Code Title Description
8364 No opposition during term of opposition