Source: http://www.google.com/patents/US6703921?dq=7,275,445
Timestamp: 2016-08-25 08:56:15
Document Index: 329528123

Matched Legal Cases: ['Application No. 00', 'Application No. 00', 'Application No. 00', 'Application No. 00', 'Application No. 00', 'Application No. 00', 'Application No. 00', 'Application No. 98', 'Application No. 98', 'Application No. 99', 'Application No. 99', 'Application No. 99', 'Application No. 99', 'Application No. 99', 'Application No. 99', 'Application No. 99', 'Application No. 99', 'Application No. 99']

Patent US6703921 - Operation in very close coupling of an electromagnetic transponder system - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsA method and a system of data transmission between a terminal for generating an electromagnetic field and a transponder, the terminal and the transponder each including an oscillating circuit forming an antenna, and the transponder including an electronic circuit adapted to absorbing and giving back...http://www.google.com/patents/US6703921?utm_source=gb-gplus-sharePatent US6703921 - Operation in very close coupling of an electromagnetic transponder systemAdvanced Patent SearchPublication numberUS6703921 B1Publication typeGrantApplication numberUS 09/543,278Publication dateMar 9, 2004Filing dateApr 5, 2000Priority dateApr 7, 1999Fee statusPaidAlso published asDE60040113D1, EP1045336A1, EP1045336B1Publication number09543278, 543278, US 6703921 B1, US 6703921B1, US-B1-6703921, US6703921 B1, US6703921B1InventorsLuc Wuidart, Michel Bardouillet, Jean-Pierre EnguentOriginal AssigneeStmicroelectronics S.A.Export CitationBiBTeX, EndNote, RefManPatent Citations (98), Non-Patent Citations (18), Referenced by (121), Classifications (14), Legal Events (4) External Links: USPTO, USPTO Assignment, EspacenetOperation in very close coupling of an electromagnetic transponder system
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS2411555Oct 14, 1942Nov 26, 1946Standard Telephones Cables LtdElectric wave filterUS3618089Jan 29, 1969Nov 2, 1971Moran Instr CorpRange and time measure systemUS4068232Feb 12, 1976Jan 10, 1978Fairchild Industries, Inc.Passive encoding microwave transponderUS4209783Mar 22, 1978Jun 24, 1980Tokyo Shibaura Electric Co., Ltd.Object identification systemUS4278977May 4, 1979Jul 14, 1981Rca CorporationRange determining systemUS4408185Nov 13, 1979Oct 4, 1983Elsmark A/SProcess for transferring information and system for carrying out the processUS4593412May 21, 1984Jun 3, 1986Multi-Elmac CompanyIntegrated oscillator antenna for low power, low harmonic radiationUS4656472Jan 23, 1985Apr 7, 1987Walton Charles AProximity identification system with power aided identifierUS4660192Apr 11, 1985Apr 21, 1987Pomatto Sr Robert PSimultaneous AM and FM transmitter and receiverUS4706050Sep 4, 1985Nov 10, 1987Smiths Industries Public Limited CompanyMicrostrip devicesUS4782308Mar 6, 1987Nov 1, 1988Iskra-Sozd Elektrokovinske Industrije N.Sol.OCircuit arrangement of a reading device for electromagnetic identification cardsUS4802080Mar 18, 1988Jan 31, 1989American Telephone And Telegraph Company, At&T Information SystemsPower transfer circuit including a sympathetic resonatorUS4814595Mar 28, 1988Mar 21, 1989Electo-Galil Ltd.Electronic data communications systemUS4827266Feb 19, 1986May 2, 1989Mitsubishi Denki Kabushiki KaishaAntenna with lumped reactive matching elements between radiator and groundplateUS4928108Mar 7, 1989May 22, 1990Bsh Electronics, Ltd.Electrical signal separating device having isolating and matching circuitry for split passband matchingUS4963887Aug 29, 1989Oct 16, 1990Yamatake-Honeywell Co., Ltd.Full duplex transponder systemUS5013898Nov 3, 1987May 7, 1991Mars IncorporatedData detection, power transfer and power regulation for data storage devicesUS5055853Oct 3, 1988Oct 8, 1991Garnier Robert CMagnetic frill generatorUS5099227Dec 18, 1989Mar 24, 1992Indala CorporationProximity detecting apparatusUS5126749Aug 25, 1989Jun 30, 1992Kaltner George WIndividually fed multiloop antennas for electronic security systemsUS5142292Aug 5, 1991Aug 25, 1992Checkpoint Systems, Inc.Coplanar multiple loop antenna for electronic article surveillance systemsUS5202644Jun 11, 1959Apr 13, 1993Ail Systems, Inc.Receiver apparatusUS5214409 *Dec 3, 1991May 25, 1993Avid CorporationMulti-memory electronic identification tagUS5305008Sep 4, 1992Apr 19, 1994Integrated Silicon Design Pty. Ltd.Transponder systemUS5324315 *Aug 12, 1993Jun 28, 1994Medtronic, Inc.Closed-loop downlink telemetry and method for implantable medical deviceUS5452344Nov 16, 1993Sep 19, 1995Datran Systems CorporationCommunication over power linesUS5493267Feb 26, 1993Feb 20, 1996Aktiebolaget ElectroluxArrangement for the transfer of control commands in an apparatus or a machine operated from the mainsUS5504485Jul 21, 1994Apr 2, 1996Amtech CorporationSystem for preventing reading of undesired RF signalsUS5521602Feb 10, 1994May 28, 1996Racom Systems, Inc.Communications system utilizing FSK/PSK modulation techniquesUS5541604Sep 3, 1993Jul 30, 1996Texas Instruments Deutschland GmbhTransponders, Interrogators, systems and methods for elimination of interrogator synchronization requirementUS5550536Aug 17, 1994Aug 27, 1996Texas Instruments Deutschland GmbhCircuit frequency following technique transponder resonantUS5604411Mar 31, 1995Feb 18, 1997Philips Electronics North America CorporationElectronic ballast having a triac dimming filter with preconditioner offset controlUS5619529Jul 11, 1995Apr 8, 1997Mitsubishi Denki Kabushiki KaishaNon-contact IC card and non-contact IC card reader/writerUS5621411Jun 20, 1996Apr 15, 1997Texas Instruments IncorporatedPositioning with RF-ID transpondersUS5691605Aug 9, 1995Nov 25, 1997Philips Electronics North AmericaElectronic ballast with interface circuitry for multiple dimming inputsUS5698837 *Oct 6, 1995Dec 16, 1997Mitsubishi Denki Kabushiki KaishaMethod and system for identifying and communicating with a plurality of contactless IC cardsUS5698838Oct 4, 1995Dec 16, 1997Mitsubishi Denki Kabushiki KaishaNon-contact IC card including antenna circuit with adjustable resonant frequencyUS5701121Dec 12, 1994Dec 23, 1997Uniscan Ltd.Transducer and interrogator deviceUS5703573Jan 11, 1996Dec 30, 1997Sony Chemicals Corp.Transmitter-receiver for non-contact IC card systemUS5767503Aug 30, 1995Jun 16, 1998GemplusMethod for the manufacture of contact-free cardsUS5801372Aug 1, 1997Sep 1, 1998Mitsubishi Denki Kabushiki KaishaNon-contact IC card with antenna switching circuitUS5831257Aug 1, 1997Nov 3, 1998Mitsubishi Denki Kabushiki KaishaNon-contact IC card including phase-locked loop circuitryUS5850416Sep 16, 1997Dec 15, 1998Lucent Technologies, Inc.Wireless transmitter-receiver information deviceUS5874725Aug 1, 1997Feb 23, 1999Mitsubishi Denki Kabushiki KaishaNon-contact IC card with phase variation detectorUS5883582 *Feb 7, 1997Mar 16, 1999Checkpoint Systems, Inc.Anticollision protocol for reading multiple RFID tagsUS5889273 *Sep 18, 1996Mar 30, 1999Kabushiki Kaisha ToshibaWireless communication data storing medium for receiving a plurality of carriers of proximate frequencies and a transmission/receiving methodUS5905444Nov 12, 1996May 18, 1999Siemens AktiengesellschaftAnti-theft system for a motor vehicleUS5955950Jul 24, 1998Sep 21, 1999Checkpoint Systems, Inc.Low noise signal generator for use with an RFID systemUS6014088Nov 29, 1996Jan 11, 2000Ronald Barend Van SantbrinkMethod and system for contactless exchange of data between a read/write unit and one or more information carriersUS6025780Jul 25, 1997Feb 15, 2000Checkpoint Systems, Inc.RFID tags which are virtually activated and/or deactivated and apparatus and methods of using same in an electronic security systemUS6028503Nov 4, 1997Feb 22, 2000U.S. Philips CorporationContactless data transmission and receiving device with a synchronous demodulatorUS6034640Apr 1, 1998Mar 7, 2000Murata Manufacturing Co., Ltd.Antenna deviceUS6070804 *Feb 25, 1998Jun 6, 2000Mitsubishi Denki Kabushiki KaishaNon-contact IC card with monitor for source powerUS6072383Nov 4, 1998Jun 6, 2000Checkpoint Systems, Inc.RFID tag having parallel resonant circuit for magnetically decoupling tag from its environmentUS6075491May 14, 1998Jun 13, 2000Murata Manufacturing Co., Ltd.Chip antenna and mobile communication apparatus using sameUS6100788Dec 29, 1997Aug 8, 2000Storage Technology CorporationMultifunctional electromagnetic transponder device and method for performing sameUS6137411Feb 11, 1997Oct 24, 2000Rso Corporation N.V.Article surveillance systemUS6154635 *Jun 19, 1996Nov 28, 2000Fujitsu Ten LimitedAntenna driving device for transponderUS6172608 *Jun 18, 1997Jan 9, 2001Integrated Silicon Design Pty. Ltd.Enhanced range transponder systemUS6208235Mar 5, 1998Mar 27, 2001Checkpoint Systems, Inc.Apparatus for magnetically decoupling an RFID tagUS6229443Jun 23, 2000May 8, 2001Single Chip SystemsApparatus and method for detuning of RFID tag to regulate voltageUS6243013Jan 8, 1999Jun 5, 2001Intermec Ip Corp.Cascaded DC voltages of multiple antenna RF tag front-end circuitsUS6265962Jun 29, 2000Jul 24, 2001Micron Technology, Inc.Method for resolving signal collisions between multiple RFID transponders in a fieldUS6272320 *Jan 12, 1998Aug 7, 2001Em Microelectronic-Marin SaBase station for a contactless interrogation system comprising a phase locked and voltage controlled oscillatorUS6272321 *Sep 13, 1997Aug 7, 2001Temic Semiconductor GmbhMethod for tuning an oscillating receiver circuit of a transponder built into a RFID systemUS6281794May 25, 1999Aug 28, 2001Intermec Ip Corp.Radio frequency transponder with improved read distanceUS6307468 *Jul 20, 1999Oct 23, 2001Avid Identification Systems, Inc.Impedance matching network and multidimensional electromagnetic field coil for a transponder interrogatorUS6307517Jun 13, 2000Oct 23, 2001Applied Wireless Identifications Group, Inc.Metal compensated radio frequency identification readerUS6393045 *Sep 24, 1998May 21, 2002Wherenet Corp.Spread spectrum baseband modulation of magnetic fields for communications and proximity sensingUS6424820Apr 2, 1999Jul 23, 2002Interval Research CorporationInductively coupled wireless system and methodUS6441804Feb 1, 1999Aug 27, 2002Kye Systems Corp.Transmitter and receiver for use in a wireless cursor control systemUS6446049Sep 29, 1998Sep 3, 2002Pole/Zero CorporationMethod and apparatus for transmitting a digital information signal and vending system incorporating sameUS6491230Jul 20, 1999Dec 10, 2002Thomson-Csf DetexisContactless badge readerDE2835549A1Aug 14, 1978Mar 1, 1979Joergen Born RasmussenRemote control circuit for coded receivers - operates with direct modification of power supply waveform by positive and negative half-wave clippingDE4444984A Title not availableDE19546928A1Dec 15, 1995Jun 19, 1997Diehl Ident GmbhInductive high frequency information signal transmitterDE19621076A1May 24, 1996Nov 27, 1997Siemens AgVorrichtung und Verfahren zum kontaktlosen �bertragen von Energie oder DatenDE19632282A1Aug 9, 1996Feb 19, 1998Holzer Walter Prof Dr H C IngVerfahren und Einrichtung zur Helligkeitssteuerung von LeuchtstofflampenEP0038877A1Apr 28, 1980Nov 4, 1981Paul RouetProcess and system for transmitting information and instructions on an alternating current distribution networkEP0369622A2Oct 24, 1989May 23, 1990Security Tag Systems, Inc.Proximity reading of coded tagEP0568067A1Apr 29, 1993Nov 3, 1993Texas Instruments IncorporatedRFID system with controlled chargeEP0579332A1Jul 14, 1993Jan 19, 1994N.V. Nederlandsche Apparatenfabriek NEDAPElectromagnetic detection systemEP0645840A1Sep 23, 1994Mar 29, 1995N.V. Nederlandsche Apparatenfabriek NEDAPAntenna configuration of an electromagnetic detection system and an electromagnetic detection system comprising such antenna configurationEP0768540A1Oct 9, 1996Apr 16, 1997Texas Instruments Deutschland GmbhTransponder system and methodEP0857981A1Feb 5, 1997Aug 12, 1998EM Microelectronic-Marin SABase station of a remote interrogation system with a voltage and phase controlled oscillatorEP0902475A2Sep 15, 1998Mar 17, 1999Microchip Technology Inc.A single-sided package including an integrated circuit semiconductor chip and inductive coil and method thereforFR2114026A1 Title not availableFR2746200A1 Title not availableFR2757952A1 Title not availableGB2298553A Title not availableGB2321726A Title not availableJPH07245946A Title not availableJPH10145267A Title not availableJPH10203066A Title not availableWO1993017482A2Feb 26, 1993Sep 2, 1993Scantronic LimitedPower supply and smoke sensor for alarm systemWO1998020363A1Sep 26, 1997May 14, 1998Philips Electronics N.V.Contactless data transmission and receiving device with a synchronous demodulatorWO1999033017A1Dec 21, 1998Jul 1, 1999Advanced Technology Communications LimitedTag and detection systemWO1999043096A1Dec 18, 1998Aug 26, 1999Motorola Inc.Data communications terminal and method of adjusting a power signal generated therefrom* Cited by examinerNon-Patent CitationsReference1French Search Report from French Patent Application No. 00 06061, filed May 12, 2000.2French Search Report from French Patent Application No. 00 06064, filed May 12, 2000.3French Search Report from French Patent Application No. 00 06065, filed May 12, 2000.4French Search Report from French Patent Application No. 00 06071, filed May 12, 2000.5French Search Report from French Patent Application No. 00 06302, filed May 17, 2000.6French Search Report from French Patent Application No. 00/01214, filed Jan. 31, 2000.7French Search Report from French Patent Application No. 00/06301, filed May 17, 2000.8French Search Report from French Patent Application No. 98 08024, filed Jun. 22, 1998.9French Search Report from French Patent Application No. 98 08025, filed Jun. 22, 1998.10French Search Report from French Patent Application No. 99 04544, filed Apr. 7, 1999.11French Search Report from French Patent Application No. 99 04545, filed Apr. 7, 1999.12French Search Report from French Patent Application No. 99 04546 , filed Apr. 7, 1999.13French Search Report from French Patent Application No. 99 04547, filed Apr. 7, 1999.14French Search Report from French Patent Application No. 99 04548, filed Apr. 7, 1999.15French Search Report from French Patent Application No. 99 04549, filed Apr. 7, 1999.16French Search Report from French Patent Application No. 99 07024, filed May 31 1999.17French Search Report from French Patent Application No. 99 09563, filed Jul. 20, 1999.18French Search Report from French Patent Application No. 99 09564, filed Jul. 20, 1999.Referenced byCiting PatentFiling datePublication dateApplicantTitleUS6792288 *Jul 7, 1999Sep 14, 2004Commissariat A L'energie AtomiqueAnalog interface for autonomous data exchange circuitUS6879246May 11, 2001Apr 12, 2005Stmicroelectronics S.A.Evaluation of the number of electromagnetic transponders in the field of a readerUS6940467Jan 7, 2004Sep 6, 2005Atmel Germany GmbhCircuit arrangement and method for deriving electrical power from an electromagnetic fieldUS6960985Jan 26, 2001Nov 1, 2005Stmicroelectronics S.A.Adaptation of the transmission power of an electromagnetic transponder readerUS7005967May 11, 2001Feb 28, 2006Stmicroelectronics S.A.Validation of the presence of an electromagnetic transponder in the field of an amplitude demodulation readerUS7023391May 17, 2001Apr 4, 2006Stmicroelectronics S.A.Electromagnetic field generation antenna for a transponderUS7046121Aug 9, 2001May 16, 2006Stmicroelectronics S.A.Detection of an electric signature of an electromagnetic transponderUS7046146May 17, 2001May 16, 2006Stmicroelectronics S.A.Electromagnetic field generation device for a transponderUS7049935Jul 13, 2000May 23, 2006Stmicroelectronics S.A.Sizing of an electromagnetic transponder system for a dedicated distant coupling operationUS7049936May 11, 2001May 23, 2006Stmicroelectronics S.A.Validation of the presence of an electromagnetic transponder in the field of a readerUS7058357Jul 13, 2000Jun 6, 2006Stmicroelectronics S.A.Sizing of an electromagnetic transponder system for an operation in extreme proximityUS7107008 *May 11, 2001Sep 12, 2006Stmicroelectronics S.A.Validation of the presence of an electromagnetic transponder in the field of a phase demodulation readerUS7151436Jan 7, 2004Dec 19, 2006Atmel Germany GmbhReceiving/backscattering arrangement and method with two modulation modes for wireless data transmission as well as modulation arrangement thereforUS7263330Oct 27, 2005Aug 28, 2007Stmicroelectronics S.A.Validation of the presence of an electromagnetic transponder in the field of a phase demodulation readerUS7519400May 27, 2005Apr 14, 2009Dei Headquarters, Inc.Multi-modulation remote control communication systemUS7535362 *Feb 9, 2006May 19, 2009Atmel Germany GmbhCircuit arrangement and method for supplying power to a transponderUS7603082 *Jun 23, 2005Oct 13, 2009Stmicroelectronics S.A.Impedance matching of an electromagnetic transponder readerUS7689195 *Jun 16, 2005Mar 30, 2010Broadcom CorporationMulti-protocol radio frequency identification transponder tranceiverUS7796710 *Sep 14, 2010Kabushiki Kaisha ToshibaDigital signal demodulator and wireless receiver using the sameUS7868481 *Jan 11, 2011Infineon Technologies AgEmergency capacitor for a contactless deviceUS8130080Sep 14, 2006Mar 6, 2012Giesecke & Devrient GmbhTransponder actuatable switching deviceUS8130159Sep 15, 2009Mar 6, 2012Stmicroelectronics S.A.Electromagnetic field generation antenna for a transponderUS8274370Sep 25, 2012Atmel CorporationModulator and modulation method for a wireless data transmission deviceUS8482388 *Jun 15, 2010Jul 9, 2013Stmicroelectronics (Rousset) SasAuthentication of a terminal by an electromagnetic transponderUS8552741 *Apr 28, 2009Oct 8, 2013Stmicroelectronics (Rousset) SasDetection of a distance variation with respect to a rotation axisUS8669676Dec 30, 2009Mar 11, 2014Witricity CorporationWireless energy transfer across variable distances using field shaping with magnetic materials to improve the coupling factorUS8692412Mar 30, 2010Apr 8, 2014Witricity CorporationTemperature compensation in a wireless transfer systemUS8723366Mar 10, 2010May 13, 2014Witricity CorporationWireless energy transfer resonator enclosuresUS8729737Feb 8, 2012May 20, 2014Witricity CorporationWireless energy transfer using repeater resonatorsUS8760007Dec 16, 2009Jun 24, 2014Massachusetts Institute Of TechnologyWireless energy transfer with high-Q to more than one deviceUS8760008Dec 30, 2009Jun 24, 2014Massachusetts Institute Of TechnologyWireless energy transfer over variable distances between resonators of substantially similar resonant frequenciesUS8766485Dec 30, 2009Jul 1, 2014Massachusetts Institute Of TechnologyWireless energy transfer over distances to a moving deviceUS8772971Dec 30, 2009Jul 8, 2014Massachusetts Institute Of TechnologyWireless energy transfer across variable distances with high-Q capacitively-loaded conducting-wire loopsUS8772972Dec 30, 2009Jul 8, 2014Massachusetts Institute Of TechnologyWireless energy transfer across a distance to a moving deviceUS8772973Aug 20, 2010Jul 8, 2014Witricity CorporationIntegrated resonator-shield structuresUS8791599Dec 30, 2009Jul 29, 2014Massachusetts Institute Of TechnologyWireless energy transfer to a moving device between high-Q resonatorsUS8847548Aug 7, 2013Sep 30, 2014Witricity CorporationWireless energy transfer for implantable devicesUS8875086Dec 31, 2013Oct 28, 2014Witricity CorporationWireless energy transfer modeling toolUS8901778Oct 21, 2011Dec 2, 2014Witricity CorporationWireless energy transfer with variable size resonators for implanted medical devicesUS8901779Oct 21, 2011Dec 2, 2014Witricity CorporationWireless energy transfer with resonator arrays for medical applicationsUS8907531Oct 21, 2011Dec 9, 2014Witricity CorporationWireless energy transfer with variable size resonators for medical applicationsUS8907761 *Jun 15, 2010Dec 9, 2014Stmicroelectronics (Rousset) SasAuthentication of an electromagnetic terminal-transponder couple by the terminalUS8912687Nov 3, 2011Dec 16, 2014Witricity CorporationSecure wireless energy transfer for vehicle applicationsUS8922066Oct 17, 2011Dec 30, 2014Witricity CorporationWireless energy transfer with multi resonator arrays for vehicle applicationsUS8922338 *Jun 15, 2010Dec 30, 2014Stmicroelectronics (Rousset) SasPower management in an electromagnetic transponderUS8922341May 22, 2013Dec 30, 2014Stmicroelectronics (Rousset) SasAuthentication of a terminal by an electromagnetic transponderUS8928276Mar 23, 2012Jan 6, 2015Witricity CorporationIntegrated repeaters for cell phone applicationsUS8933594Oct 18, 2011Jan 13, 2015Witricity CorporationWireless energy transfer for vehiclesUS8937408Apr 20, 2011Jan 20, 2015Witricity CorporationWireless energy transfer for medical applicationsUS8946938Oct 18, 2011Feb 3, 2015Witricity CorporationSafety systems for wireless energy transfer in vehicle applicationsUS8947186Feb 7, 2011Feb 3, 2015Witricity CorporationWireless energy transfer resonator thermal managementUS8957549Nov 3, 2011Feb 17, 2015Witricity CorporationTunable wireless energy transfer for in-vehicle applicationsUS8963488Oct 6, 2011Feb 24, 2015Witricity CorporationPosition insensitive wireless chargingUS8988196 *Jun 3, 2010Mar 24, 2015Stmicroelectronics (Rousset) SasPower recovery by an electromagnetic transponderUS9035499Oct 19, 2011May 19, 2015Witricity CorporationWireless energy transfer for photovoltaic panelsUS9065286Jun 12, 2014Jun 23, 2015Massachusetts Institute Of TechnologyWireless non-radiative energy transferUS9065423Sep 14, 2011Jun 23, 2015Witricity CorporationWireless energy distribution systemUS9093853Jan 30, 2012Jul 28, 2015Witricity CorporationFlexible resonator attachmentUS9095729Jan 20, 2012Aug 4, 2015Witricity CorporationWireless power harvesting and transmission with heterogeneous signalsUS9101777Aug 29, 2011Aug 11, 2015Witricity CorporationWireless power harvesting and transmission with heterogeneous signalsUS9105959Sep 4, 2012Aug 11, 2015Witricity CorporationResonator enclosureUS9106203Nov 7, 2011Aug 11, 2015Witricity CorporationSecure wireless energy transfer in medical applicationsUS9160203Oct 6, 2011Oct 13, 2015Witricity CorporationWireless powered televisionUS9184595Feb 13, 2010Nov 10, 2015Witricity CorporationWireless energy transfer in lossy environmentsUS9246336Jun 22, 2012Jan 26, 2016Witricity CorporationResonator optimizations for wireless energy transferUS9287607Jul 31, 2012Mar 15, 2016Witricity CorporationResonator fine tuningUS9291703 *Mar 28, 2012Mar 22, 2016OrangeMethod and a device for identifying the position of a transponderUS9306635Jan 28, 2013Apr 5, 2016Witricity CorporationWireless energy transfer with reduced fieldsUS9318257Oct 18, 2012Apr 19, 2016Witricity CorporationWireless energy transfer for packagingUS9318898Jun 25, 2015Apr 19, 2016Witricity CorporationWireless power harvesting and transmission with heterogeneous signalsUS9318922Mar 15, 2013Apr 19, 2016Witricity CorporationMechanically removable wireless power vehicle seat assemblyUS9343922Jun 27, 2012May 17, 2016Witricity CorporationWireless energy transfer for rechargeable batteriesUS9344156Apr 18, 2012May 17, 2016Stmicroelectronics (Rousset) SasProtection of communication by an electromagnetic transponderUS9356656Apr 18, 2012May 31, 2016Stmicroelectronics (Rousset) SasAssistance for positioning a transponderUS9369182Jun 21, 2013Jun 14, 2016Witricity CorporationWireless energy transfer using variable size resonators and system monitoringUS9384885Aug 6, 2012Jul 5, 2016Witricity CorporationTunable wireless power architecturesUS9396867Apr 14, 2014Jul 19, 2016Witricity CorporationIntegrated resonator-shield structuresUS9404954Oct 21, 2013Aug 2, 2016Witricity CorporationForeign object detection in wireless energy transfer systemsUS9407307Apr 18, 2012Aug 2, 2016Stmicroelectronics (Rousset) SasTransponder positioning aidUS20010015697 *Jan 26, 2001Aug 23, 2001Luc WuidartAdaptation of the transmission power of an electromagnetic transponder readerUS20020003498 *May 17, 2001Jan 10, 2002Luc WuidartElectromagnetic field generation antenna for a transponderUS20020008611 *May 11, 2001Jan 24, 2002Luc WuidartValidation of the presence of an electromagnetic transponder in the field of an amplitude demodulation readerUS20020008612 *May 11, 2001Jan 24, 2002Luc WuidartValidation of the presence of an electromagnetic transponder in the field of a phase demodulation readerUS20020011922 *May 11, 2001Jan 31, 2002Luc WuidartValidation of the presence of an electromagnetic transponder in the field of a readerUS20020017991 *May 17, 2001Feb 14, 2002Luc WuidartElectromagnetic field generation device for a transponderUS20020021207 *May 11, 2001Feb 21, 2002Luc WuidartEvaluation of the number of electromagnetic transponders in the field of a readerUS20030164742 *Aug 9, 2001Sep 4, 2003Luc WuidartDetection of an electric signature of an electromagnetic transponderUS20030169169 *Aug 16, 2001Sep 11, 2003Luc WuidartAntenna generating an electromagnetic field for transponderUS20040145452 *Jan 7, 2004Jul 29, 2004Atmel Germany GmbhReceiving/backscattering arrangement and method with two modulation modes for wireless data transmission as well as modulation arrangement thereforUS20050285718 *Jun 23, 2005Dec 29, 2005Stmicroelectronics, S.A.Impedance matching of an electromagnetic transponder readerUS20060103561 *Nov 8, 2005May 18, 2006Kazuhide AbeDigital signal demodulator and wireless receiver using the sameUS20060111043 *Oct 27, 2005May 25, 2006Stmicroelectronics S.A.Validation of the presence of an electromagnetic transponder in the field of a phase demodulation readerUS20060172702 *Mar 28, 2006Aug 3, 2006St MicroelectronicsSizing of an electromagnetic transponder system for an operation in extreme proximityUS20060187049 *Feb 9, 2006Aug 24, 2006Atmel Germany GmbhCircuit arrangement and method for supplying power to a transponderUS20060238301 *Jun 16, 2005Oct 26, 2006Jiangfeng WuMulti-protocol radio frequency identification transponder tranceiverUS20070008087 *May 27, 2005Jan 11, 2007Normand DeryMulti-modulation remote control communication systemUS20070109102 *Jan 12, 2007May 17, 2007Atmel Germany GmbhModulator and modulation method for a wireless data transmission deviceUS20090096587 *Sep 14, 2006Apr 16, 2009Klaus FinkenzellerTransponder Actuatable Switching DeviceUS20090127934 *Nov 19, 2007May 21, 2009Infineon Technologies AgEmergency capacitor for a contactless deviceUS20100039337 *Feb 18, 2010Stmicroelectronics S.A.Electromagnetic field generation antenna for a transponderUS20100102640 *Dec 30, 2009Apr 29, 2010Joannopoulos John DWireless energy transfer to a moving device between high-q resonatorsUS20100127575 *Dec 16, 2009May 27, 2010Joannopoulos John DWireless energy transfer with high-q to more than one deviceUS20100133918 *Dec 30, 2009Jun 3, 2010Joannopoulos John DWireless energy transfer over variable distances between resonators of substantially similar resonant frequenciesUS20100133919 *Dec 30, 2009Jun 3, 2010Joannopoulos John DWireless energy transfer across variable distances with high-q capacitively-loaded conducting-wire loopsUS20100181845 *Jul 22, 2010Ron FiorelloTemperature compensation in a wireless transfer systemUS20100187911 *Dec 30, 2009Jul 29, 2010Joannopoulos John DWireless energy transfer over distances to a moving deviceUS20100231340 *Sep 16, 2010Ron FiorelloWireless energy transfer resonator enclosuresUS20100259110 *Apr 9, 2010Oct 14, 2010Kurs Andre BResonator optimizations for wireless energy transferUS20100277121 *Apr 29, 2010Nov 4, 2010Hall Katherine LWireless energy transfer between a source and a vehicleUS20100328027 *Jun 15, 2010Dec 30, 2010Stmicroelectronics (Rousset) SasAuthentication of an electromagnetic terminal-transponder couple by the terminalUS20100328046 *Jun 15, 2010Dec 30, 2010Stmicroelectronics (Rousset) SasAuthentication of a terminal by an electromagnetic transponderUS20110018692 *May 28, 2010Jan 27, 2011Patrick SmithMethods and Systems for Validating Code from a Wireless DeviceUS20110043049 *Dec 29, 2009Feb 24, 2011Aristeidis KaralisWireless energy transfer with high-q resonators using field shaping to improve kUS20110074346 *Oct 6, 2010Mar 31, 2011Hall Katherine LVehicle charger safety system and methodUS20110095618 *Apr 28, 2011Schatz David AWireless energy transfer using repeater resonatorsUS20110095769 *Apr 28, 2009Apr 28, 2011St Microelectronic S.A.Detection of a distance variation with respect to a rotation axisUS20110121920 *May 26, 2011Kurs Andre BWireless energy transfer resonator thermal managementUS20110140852 *Jun 15, 2010Jun 16, 2011Stmicroelectronics (Rousset) SasPower management in an electromagnetic transponderUS20120105012 *Jun 3, 2010May 3, 2012Stmicroelectronics (Rousset) SasPower recovery by an electromagnetic transponderUS20140024391 *Mar 28, 2012Jan 23, 2014OrangeMethod and a device for identifying the position of a transponderWO2007031318A1 *Sep 14, 2006Mar 22, 2007Giesecke & Devrient GmbhTransponder actuatable switching device* Cited by examinerClassifications U.S. Classification340/10.4, 345/41, 340/10.2International ClassificationG06K7/00, H04B1/59, G01S13/74, G06K19/07, H04B5/02Cooperative ClassificationG06K19/0723, G06K19/0701, G06K7/0008European ClassificationG06K19/07A, G06K7/00E, G06K19/07TLegal EventsDateCodeEventDescriptionJun 27, 2000ASAssignmentOwner name: STMICROELECTRONICS S.A., FRANCEFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WUIDART, LUC;BARDOUILLET, MICHEL;ENGUENT, JEAN-PIERRE;REEL/FRAME:010885/0390;SIGNING DATES FROM 20000427 TO 20000428Aug 29, 2007FPAYFee paymentYear of fee payment: 4Aug 29, 2011FPAYFee paymentYear of fee payment: 8Aug 27, 2015FPAYFee paymentYear of fee payment: 12RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services