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
|
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
|
DE2732543C3
(de)
|
1977-07-19 |
1980-08-07 |
Precitec Gesellschaft Fuer Praezisionstechnik Und Elektronik Mbh & Co Entwicklungs- Und Vertriebs-Kg, 7570 Baden-Baden |
Vorrichtung zur Erfassung von sich im Gebiet einer Grenzfläche befindenden Objekten
|
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
|
US4258348A
(en)
|
1979-11-13 |
1981-03-24 |
Stb Transformer Company |
Current measuring transformer
|
US4928108A
(en)
|
1983-12-20 |
1990-05-22 |
Bsh Electronics, Ltd. |
Electrical signal separating device having isolating and matching circuitry for split passband matching
|
US4673932A
(en)
*
|
1983-12-29 |
1987-06-16 |
Revlon, Inc. |
Rapid inventory data acquistion system
|
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
|
US5084699A
(en)
*
|
1989-05-26 |
1992-01-28 |
Trovan Limited |
Impedance matching coil assembly for an inductively coupled transponder
|
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
|
US5235326A
(en)
*
|
1991-08-15 |
1993-08-10 |
Avid Corporation |
Multi-mode identification system
|
US5214409A
(en)
|
1991-12-03 |
1993-05-25 |
Avid Corporation |
Multi-memory electronic identification tag
|
SE469959B
(sv)
|
1992-03-06 |
1993-10-11 |
Electrolux Ab |
Anordning för överföring av styrkommandon i en med växelström driven apparat eller maskin
|
JP3288478B2
(ja)
|
1992-04-29 |
2002-06-04 |
テキサス インスツルメンツ インコーポレイテツド |
環境条件を遠隔感知する識別システム
|
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
|
NZ314270A
(en)
*
|
1992-11-18 |
1998-06-26 |
British Tech Group |
Transponder identification system: interrogator transmits inhibiting signal to disable transponders
|
JP3003826B2
(ja)
*
|
1992-12-11 |
2000-01-31 |
三菱電機株式会社 |
クロック再生回路
|
DE4327642C2
(de)
|
1993-05-17 |
1998-09-24 |
Anatoli Stobbe |
Lesegerät für ein Detektierplättchen
|
US5451958A
(en)
|
1993-05-21 |
1995-09-19 |
Texas Instruments Deutschland Gmbh |
Dual standard RF-ID system
|
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
|
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
|
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
|
SE513690C2
(sv)
|
1995-08-16 |
2000-10-23 |
Alfa Laval Agri Ab |
Antennsystem med drivkretsar för transponder
|
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.
|
SE506449C2
(sv)
|
1996-02-12 |
1997-12-15 |
Rso Corp |
Artikelövervakningssystem
|
AUPO055296A0
(en)
|
1996-06-19 |
1996-07-11 |
Integrated Silicon Design Pty Ltd |
Enhanced range transponder system
|
US6362737B1
(en)
*
|
1998-06-02 |
2002-03-26 |
Rf Code, Inc. |
Object Identification system with adaptive transceivers and methods of operation
|
AU4622897A
(en)
|
1996-09-13 |
1998-04-02 |
Temic Telefunken Microelectronik Gmbh |
Data transfer method for a scanning identification system
|
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
|
US6304169B1
(en)
|
1997-01-02 |
2001-10-16 |
C. W. Over Solutions, Inc. |
Inductor-capacitor resonant circuits and improved methods of using same
|
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
|
DE69717782T2
(de)
*
|
1997-02-05 |
2003-09-18 |
Em Microelectronic-Marin S.A., Marin |
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
|
FR2760280B1
(fr)
*
|
1997-03-03 |
1999-05-21 |
Innovatron Ind Sa |
Procede de gestion des collisions dans un systeme d'echange de donnees sans contact
|
US6208235B1
(en)
|
1997-03-24 |
2001-03-27 |
Checkpoint Systems, Inc. |
Apparatus for magnetically decoupling an RFID tag
|
JP3916291B2
(ja)
*
|
1997-03-28 |
2007-05-16 |
ローム株式会社 |
情報通信装置
|
JP3427668B2
(ja)
|
1997-04-01 |
2003-07-22 |
株式会社村田製作所 |
アンテナ装置
|
JP3792002B2
(ja)
*
|
1997-04-17 |
2006-06-28 |
ローム株式会社 |
データ通信装置、データ通信システムおよびデータ通信方法
|
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
|
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
|
KR20010006519A
(ko)
*
|
1998-02-19 |
2001-01-26 |
비센트 비.인그라시아 |
데이터 통신 단말 및 그로부터 발생된 전력 신호를 조절하는 방법
|
TW386617U
(en)
|
1998-02-23 |
2000-04-01 |
Kye Systems Corp |
High frequency wireless pointer apparatus
|
WO2000002236A2
(en)
*
|
1998-07-07 |
2000-01-13 |
Memc Electronic Materials, Inc. |
Radio frequency identification system and method for tracking silicon wafers
|
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
|
FR2792132B1
(fr)
*
|
1999-04-07 |
2001-11-02 |
St Microelectronics Sa |
Borne de lecture d'un transpondeur electromagnetique fonctionnant en couplage tres proche
|
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
|
FR2792135B1
(fr)
*
|
1999-04-07 |
2001-11-02 |
St Microelectronics Sa |
Fonctionnement en complage tres proche d'un systeme a transpondeur electromagnetique
|
US6307468B1
(en)
|
1999-07-20 |
2001-10-23 |
Avid Identification Systems, Inc. |
Impedance matching network and multidimensional electromagnetic field coil for a transponder interrogator
|
US6335665B1
(en)
*
|
1999-09-28 |
2002-01-01 |
Lucent Technologies Inc. |
Adjustable phase and delay shift element
|
US6650227B1
(en)
*
|
1999-12-08 |
2003-11-18 |
Hid Corporation |
Reader for a radio frequency identification system having automatic tuning capability
|
JP2001236474A
(ja)
*
|
1999-12-16 |
2001-08-31 |
Takamisawa Cybernetics Co Ltd |
カードリードライト装置及びその制御方法とゲートシステム
|
US6617962B1
(en)
*
|
2000-01-06 |
2003-09-09 |
Samsys Technologies Inc. |
System for multi-standard RFID tags
|
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
|
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
|
DE10163633A1
(de)
*
|
2001-12-21 |
2003-07-10 |
Philips Intellectual Property |
Stromquellenschaltung
|
FR2840742A1
(fr)
*
|
2002-06-06 |
2003-12-12 |
St Microelectronics Sa |
Lecteur de transpondeur electromagnetique
|