Source: http://www.google.de/patents/US6960985?hl=de
Timestamp: 2013-12-11 08:23:24
Document Index: 284813377

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

Patent US6960985 - Adaptation of the transmission power of an electromagnetic transponder reader - Google PatenteSuche Bilder Maps Play YouTube News Gmail Drive Mehr » Erweiterte Patentsuche | Anmelden Erweiterte Patentsuche PatenteA terminal for generating an electromagnetic field adapted to cooperating with at least one transponder when the latter enters its field and including an oscillating circuit adapted to receiving a high-frequency A.C. excitation voltage, circuitry for regulating the signal phase in the oscillating circuit...http://www.google.de/patents/US6960985?utm_source=gb-gplus-sharePatent US6960985 - Adaptation of the transmission power of an electromagnetic transponder reader Ver�ffentlichungsnummerUS6960985 B2PublikationstypErteilung AnmeldenummerUS 09/770,783 Ver�ffentlichungsdatum1. Nov. 2005Eingetragen26. Jan. 2001 Priorit�tsdatum31. Jan. 2000Geb�hrenstatusBezahltAuch ver�ffentlicht unterDE60102613D1, DE60102613T2, EP1134690A1, EP1134690B1, US20010015697 Ver�ffentlichungsnummer09770783, 770783, US 6960985 B2, US 6960985B2, US-B2-6960985, US6960985 B2, US6960985B2 ErfinderLuc WuidartUrspr�nglich Bevollm�chtigterStmicroelectronics S.A.Zitat exportierenBiBTeX, EndNote, RefManPatentzitate (100), Nichtpatentzitate (19), Referenziert von (5), Klassifizierungen (14), Juristische Ereignisse (5) Externe Links: USPTO, USPTO-Zuordnung, EspacenetAdaptation of the transmission power of an electromagnetic transponder readerUS 6960985 B2 Zusammenfassung A terminal for generating an electromagnetic field adapted to cooperating with at least one transponder when the latter enters its field and including an oscillating circuit adapted to receiving a high-frequency A.C. excitation voltage, circuitry for regulating the signal phase in the oscillating circuit with respect to a reference value, circuitry for determining an instantaneous information relative to the magnetic coupling between the transponder and the terminal, and circuitry for adapting the electromagnetic field power according to at least said present information.
measuring the current in the oscillating circuit when the transponder is maximally close to the terminal; and measuring the current when there is no transponder present in the electromagnetic field of the terminal. Beschreibung
Patentzitate Zitiertes PatentEingetragen Ver�ffentlichungsdatum Antragsteller TitelUS241155514. Okt. 194226. Nov. 1946Standard Telephones Cables LtdElectric wave filterUS361808929. Jan. 19692. Nov. 1971Moran Instr CorpRange and time measure systemUS406823212. Febr. 197610. Jan. 1978Fairchild Industries, Inc.Passive encoding microwave transponderUS420978322. M�rz 197824. Juni 1980Tokyo Shibaura Electric Co., Ltd.Object identification systemUS425834813. Nov. 197924. M�rz 1981Stb Transformer CompanyCurrent measuring transformerUS42789774. Mai 197914. Juli 1981Rca CorporationRange determining systemUS43752894. Aug. 19801. M�rz 1983PRECITEC Gesellschaft fur Prazisionstechnik und Elektronik mbH & Co. Entwicklungs und Vertriebs-KGApparatus for monitoring a boundary lineUS440818513. Nov. 19794. Okt. 1983Elsmark A/SProcess for transferring information and system for carrying out the processUS459341221. Mai 19843. Juni 1986Multi-Elmac CompanyIntegrated oscillator antenna for low power, low harmonic radiationUS465647223. Jan. 19857. Apr. 1987Walton Charles AProximity identification system with power aided identifierUS466019211. Apr. 198521. Apr. 1987Pomatto Sr Robert PSimultaneous AM and FM transmitter and receiverUS467393229. Dez. 198316. Juni 1987Revlon, Inc.Rapid inventory data acquistion systemUS47060504. Sept. 198510. Nov. 1987Smiths Industries Public Limited CompanyMicrostrip devicesUS47823086. M�rz 19871. Nov. 1988Iskra-Sozd Elektrokovinske Industrije N.Sol.OCircuit arrangement of a reading device for electromagnetic identification cardsUS480208018. M�rz 198831. Jan. 1989American Telephone And Telegraph Company, At&T Information SystemsPower transfer circuit including a sympathetic resonatorUS481459528. M�rz 198821. M�rz 1989Electo-Galil Ltd.Electronic data communications systemUS482726619. Febr. 19862. Mai 1989Mitsubishi Denki Kabushiki KaishaAntenna with lumped reactive matching elements between radiator and groundplateUS49281087. M�rz 198922. Mai 1990Bsh Electronics, Ltd.Electrical signal separating device having isolating and matching circuitry for split passband matchingUS496388729. Aug. 198916. Okt. 1990Yamatake-Honeywell Co., Ltd.Full duplex transponder systemUS50138983. Nov. 19877. Mai 1991Mars IncorporatedData detection, power transfer and power regulation for data storage devicesUS50558533. Okt. 19888. Okt. 1991Garnier Robert CMagnetic frill generatorUS508469930. Aug. 198928. Jan. 1992Trovan LimitedImpedance matching coil assembly for an inductively coupled transponderUS509922718. Dez. 198924. M�rz 1992Indala CorporationProximity detecting apparatusUS512674925. Aug. 198930. Juni 1992Kaltner George WIndividually fed multiloop antennas for electronic security systemsUS51422925. Aug. 199125. Aug. 1992Checkpoint Systems, Inc.Coplanar multiple loop antenna for electronic article surveillance systemsUS520264411. Juni 195913. Apr. 1993Ail Systems, Inc.Receiver apparatusUS52144093. Dez. 199125. Mai 1993Avid CorporationMulti-memory electronic identification tagUS523532615. Aug. 199110. Aug. 1993Avid CorporationMulti-mode identification systemUS53050084. Sept. 199219. Apr. 1994Integrated Silicon Design Pty. Ltd.Transponder systemUS532431512. Aug. 199328. Juni 1994Medtronic, Inc.Closed-loop downlink telemetry and method for implantable medical deviceUS545234416. Nov. 199319. Sept. 1995Datran Systems CorporationCommunication over power linesUS549326726. Febr. 199320. Febr. 1996Aktiebolaget ElectroluxArrangement for the transfer of control commands in an apparatus or a machine operated from the mainsUS550448521. Juli 19942. Apr. 1996Amtech CorporationSystem for preventing reading of undesired RF signalsUS551938118. Nov. 199321. Mai 1996British Technology Group LimitedDetection of multiple articlesUS552160210. Febr. 199428. Mai 1996Racom Systems, Inc.Communications system utilizing FSK/PSK modulation techniquesUS55416043. Sept. 199330. Juli 1996Texas Instruments Deutschland GmbhTransponders, Interrogators, systems and methods for elimination of interrogator synchronization requirementUS55419588. Dez. 199330. Juli 1996Mitsubishi Denki Kabushiki KaishaClock recovery circuit of demodulatorUS555053617. Aug. 199427. Aug. 1996Texas Instruments Deutschland GmbhCircuit frequency following technique transponder resonantUS560441131. M�rz 199518. Febr. 1997Philips Electronics North America CorporationElectronic ballast having a triac dimming filter with preconditioner offset controlUS561952911. Juli 19958. Apr. 1997Mitsubishi Denki Kabushiki KaishaNon-contact IC card and non-contact IC card reader/writerUS562141120. Juni 199615. Apr. 1997Texas Instruments IncorporatedPositioning with RF-ID transpondersUS56916059. Aug. 199525. Nov. 1997Philips Electronics North AmericaElectronic ballast with interface circuitry for multiple dimming inputsUS56988376. Okt. 199516. Dez. 1997Mitsubishi Denki Kabushiki KaishaMethod and system for identifying and communicating with a plurality of contactless IC cardsUS56988384. Okt. 199516. Dez. 1997Mitsubishi Denki Kabushiki KaishaNon-contact IC card including antenna circuit with adjustable resonant frequencyUS5701121 *12. Dez. 199423. Dez. 1997Magellan Technology Pty. Ltd.Transducer and interrogator deviceUS570357311. Jan. 199630. Dez. 1997Sony Chemicals Corp.Transmitter-receiver for non-contact IC card systemUS576750330. Aug. 199516. Juni 1998GemplusMethod for the manufacture of contact-free cardsUS58013721. Aug. 19971. Sept. 1998Mitsubishi Denki Kabushiki KaishaNon-contact IC card with antenna switching circuitUS58312571. Aug. 19973. Nov. 1998Mitsubishi Denki Kabushiki KaishaNon-contact IC card including phase-locked loop circuitryUS585041616. Sept. 199715. Dez. 1998Lucent Technologies, Inc.Wireless transmitter-receiver information deviceUS58747251. Aug. 199723. Febr. 1999Mitsubishi Denki Kabushiki KaishaNon-contact IC card with phase variation detectorUS58835827. Febr. 199716. M�rz 1999Checkpoint Systems, Inc.Anticollision protocol for reading multiple RFID tagsUS588927318. Sept. 199630. M�rz 1999Kabushiki Kaisha ToshibaWireless communication data storing medium for receiving a plurality of carriers of proximate frequencies and a transmission/receiving methodUS590544412. Nov. 199618. Mai 1999Siemens AktiengesellschaftAnti-theft system for a motor vehicleUS595595024. Juli 199821. Sept. 1999Checkpoint Systems, Inc.Low noise signal generator for use with an RFID systemUS601408829. Nov. 199611. Jan. 2000Ronald Barend Van SantbrinkMethod and system for contactless exchange of data between a read/write unit and one or more information carriersUS602578025. Juli 199715. Febr. 2000Checkpoint Systems, Inc.RFID tags which are virtually activated and/or deactivated and apparatus and methods of using same in an electronic security systemUS60285034. Nov. 199722. Febr. 2000U.S. Philips CorporationContactless data transmission and receiving device with a synchronous demodulatorUS60346401. Apr. 19987. M�rz 2000Murata Manufacturing Co., Ltd.Antenna deviceUS607080324. Febr. 19986. Juni 2000Stobbe; AnatoliReading device for a transponderUS607080425. Febr. 19986. Juni 2000Mitsubishi Denki Kabushiki KaishaNon-contact IC card with monitor for source powerUS60723834. Nov. 19986. Juni 2000Checkpoint Systems, Inc.RFID tag having parallel resonant circuit for magnetically decoupling tag from its environmentUS607549114. Mai 199813. Juni 2000Murata Manufacturing Co., Ltd.Chip antenna and mobile communication apparatus using sameUS610078829. Dez. 19978. Aug. 2000Storage Technology CorporationMultifunctional electromagnetic transponder device and method for performing sameUS613741111. Febr. 199724. Okt. 2000Rso Corporation N.V.Article surveillance systemUS615098615. Aug. 199621. Nov. 2000Alfa Laval Agri AbAntenna system comprising driver circuits for transponderUS615463519. Juni 199628. Nov. 2000Fujitsu Ten LimitedAntenna driving device for transponderUS617260818. Juni 19979. Jan. 2001Integrated Silicon Design Pty. Ltd.Enhanced range transponder systemUS62082355. M�rz 199827. M�rz 2001Checkpoint Systems, Inc.Apparatus for magnetically decoupling an RFID tagUS622944323. Juni 20008. Mai 2001Single Chip SystemsApparatus and method for detuning of RFID tag to regulate voltageUS62430138. Jan. 19995. Juni 2001Intermec Ip Corp.Cascaded DC voltages of multiple antenna RF tag front-end circuitsUS626596229. Juni 200024. Juli 2001Micron Technology, Inc.Method for resolving signal collisions between multiple RFID transponders in a fieldUS627232012. Jan. 19987. Aug. 2001Em Microelectronic-Marin SaBase station for a contactless interrogation system comprising a phase locked and voltage controlled oscillatorUS627232113. Sept. 19977. Aug. 2001Temic Semiconductor GmbhMethod for tuning an oscillating receiver circuit of a transponder built into a RFID systemUS628179425. Mai 199928. Aug. 2001Intermec Ip Corp.Radio frequency transponder with improved read distanceUS630416930. Dez. 199716. Okt. 2001C. W. Over Solutions, Inc.Inductor-capacitor resonant circuits and improved methods of using sameUS630746820. Juli 199923. Okt. 2001Avid Identification Systems, Inc.Impedance matching network and multidimensional electromagnetic field coil for a transponder interrogatorUS630751713. Juni 200023. Okt. 2001Applied Wireless Identifications Group, Inc.Metal compensated radio frequency identification readerUS633566528. Sept. 19991. Jan. 2002Lucent Technologies Inc.Adjustable phase and delay shift elementUS635673818. Febr. 199912. M�rz 2002Gary W. SchneiderMethod and apparatus for communicating data with a transponderUS639304524. Sept. 199821. Mai 2002Wherenet Corp.Spread spectrum baseband modulation of magnetic fields for communications and proximity sensingUS64248202. Apr. 199923. Juli 2002Interval Research CorporationInductively coupled wireless system and methodUS64418041. Febr. 199927. Aug. 2002Kye Systems Corp.Transmitter and receiver for use in a wireless cursor control systemUS644604929. Sept. 19983. Sept. 2002Pole/Zero CorporationMethod and apparatus for transmitting a digital information signal and vending system incorporating sameUS649123020. Juli 199910. Dez. 2002Thomson-Csf DetexisContactless badge readerUS649892318. Dez. 199724. Dez. 2002Rohm Co., Ltd.Telecommunication deviceUS66179626. Jan. 20009. Sept. 2003Samsys Technologies Inc.System for multi-standard RFID tagsUS664654326. Jan. 199811. Nov. 2003Regie Autonome Des Transports ParisiensMethod for managing collisions in a contactless data exchanging systemUS66502266. Apr. 200018. Nov. 2003Stmicroelectronics S.A.Detection, by an electromagnetic transponder reader, of the distance separating it from a transponderUS66502278. Dez. 199918. Nov. 2003Hid CorporationReader for a radio frequency identification system having automatic tuning capabilityUS66502295. Apr. 200018. Nov. 2003Stmicroelectronics S.A.Electromagnetic transponder read terminal operating in very close couplingUS665446615. Apr. 199825. Nov. 2003Rohm Co., Ltd.Data communication equipment, data communication system, and data communication methodUS669022918. Dez. 200210. Febr. 2004Koninklijke Philips Electronics N.V.Feed back current-source circuitUS67039215. Apr. 20009. M�rz 2004Stmicroelectronics S.A.Operation in very close coupling of an electromagnetic transponder systemUS2002000861111. Mai 200124. Jan. 2002Luc WuidartValidation of the presence of an electromagnetic transponder in the field of an amplitude demodulation readerUS200302273234. Juni 200311. Dez. 2003Jean-Pierre EnguentElectromagnetic transponder readerDE2835549A114. Aug. 19781. M�rz 1979Joergen Born RasmussenVerfahren zur uebertragung von information sowie vorrichtung zur durchfuehrung des verfahrensDE4444984A Titel nicht verf�gbarDE19546928A115. Dez. 199519. Juni 1997Diehl Ident GmbhInductive high frequency information signal transmitterDE19621076A124. Mai 199627. Nov. 1997Siemens AgVorrichtung und Verfahren zum kontaktlosen �bertragen von Energie oder Daten* Vom Pr�fer zitiertNichtpatentzitateReferenz1French Search Report from French Patent Applciation 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. 99 04544, filed Apr. 7, 1999.10French Search Report from French Patent Application No. 99 04545, filed Apr. 7, 1999.11French Search Report from French Patent Application No. 99 04546, filed Apr. 7, 1999.12French Search Report from French Patent Application No. 99 04547, filed Apr. 7, 1999.13French Search Report from French Patent Application No. 99 04548 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 08025, filed Jun. 22, 1998.18French Search Report from French Patent Application No. 99 0956, filed Jul. 20, 1999.19French Search Report from French Patent Application No. 99 09563, filed Jul. 20, 1999. Referenziert von Zitiert von PatentEingetragen Ver�ffentlichungsdatum Antragsteller TitelUS7252241 *15. Febr. 20057. Aug. 2007Seiko Epson CorporationData communication system, data communication device, contactless communication medium, and communication device control programUS726333027. Okt. 200528. Aug. 2007Stmicroelectronics S.A.Validation of the presence of an electromagnetic transponder in the field of a phase demodulation readerUS7336163 *29. Dez. 200426. Febr. 2008Omron CorporationTransponder startup control method and interrogator for tire pressure monitoring systemUS799941429. Aug. 200816. Aug. 2011Maquet Gmbh & Co. KgApparatus and method for wireless energy and/or data transmission between a source device and at least one target deviceUS8111137 *10. Febr. 20067. Febr. 2012Brother Kogyo Kabushiki KaishaRFID tag reader/writer* Vom Pr�fer zitiertKlassifizierungen US-Klassifikation340/10.34, 340/10.3Internationale KlassifikationG01S13/76, G06K17/00, H02J17/00, G06K7/00, H04B5/02, G01S13/75, G01S13/79, H04B1/59 UnternehmensklassifikationG06K7/0008, G06K7/10217 Europ�ische KlassifikationG06K7/10A4C, G06K7/00EJuristische Ereignisse DatumCodeEreignisBeschreibung8. M�rz 2013FPAYFee paymentYear of fee payment: 828. Apr. 2009FPAYFee paymentYear of fee payment: 412. Dez. 2006CCCertificate of correction23. Mai 2006CCCertificate of correction26. Jan. 2001ASAssignmentOwner name: STMICROELECTRONICS, S.A., FRANCEFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WUIDART, LUC;REEL/FRAME:011487/0983Effective date: 20010110DrehenOriginalbildGoogle-Startseite - Sitemap - USPTO-Bulk-Downloads - Datenschutzerkl�rung - Nutzungsbedingungen - �ber Google Patente - Feedback gebenDaten bereitgestellt von IFI CLAIMS Patent Services.© 2012 Google