IL82578A - Transponder useful in a system for identifying objects - Google Patents

Transponder useful in a system for identifying objects

Info

Publication number
IL82578A
IL82578A IL82578A IL8257887A IL82578A IL 82578 A IL82578 A IL 82578A IL 82578 A IL82578 A IL 82578A IL 8257887 A IL8257887 A IL 8257887A IL 82578 A IL82578 A IL 82578A
Authority
IL
Israel
Prior art keywords
identifying objects
transponder
useful
transponder useful
identifying
Prior art date
Application number
IL82578A
Other languages
English (en)
Other versions
IL82578A0 (en
Original Assignee
Amtech Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Amtech Corp filed Critical Amtech Corp
Publication of IL82578A0 publication Critical patent/IL82578A0/xx
Publication of IL82578A publication Critical patent/IL82578A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
    • 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
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07773—Antenna details
    • G06K19/07786—Antenna details the antenna being of the HF type, such as a dipole
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/04—Indicating or recording train identities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/04—Indicating or recording train identities
    • B61L25/045—Indicating or recording train identities using reradiating tags
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
    • G01S13/758—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using a signal generator powered by the interrogation signal
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Near-Field Transmission Systems (AREA)
IL82578A 1986-07-14 1987-05-19 Transponder useful in a system for identifying objects IL82578A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/885,250 US4786907A (en) 1986-07-14 1986-07-14 Transponder useful in a system for identifying objects

Publications (2)

Publication Number Publication Date
IL82578A0 IL82578A0 (en) 1987-11-30
IL82578A true IL82578A (en) 1990-11-05

Family

ID=25386489

Family Applications (1)

Application Number Title Priority Date Filing Date
IL82578A IL82578A (en) 1986-07-14 1987-05-19 Transponder useful in a system for identifying objects

Country Status (10)

Country Link
US (1) US4786907A (ja)
EP (1) EP0254954B1 (ja)
JP (1) JP2644496B2 (ja)
KR (1) KR970000545B1 (ja)
AU (1) AU585825B2 (ja)
CA (1) CA1272787A (ja)
DE (1) DE3773571D1 (ja)
ES (1) ES2025599T3 (ja)
HK (1) HK143596A (ja)
IL (1) IL82578A (ja)

Families Citing this family (105)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1335676C (en) * 1988-01-14 1995-05-23 Akira Iga Portable data transmitter device and a system using the same
CH676164A5 (ja) * 1988-05-28 1990-12-14 Sc Techn Dipl Ing Peter A Neuk
JP2888841B2 (ja) * 1988-09-30 1999-05-10 ソニー株式会社 情報カード読取装置及び情報カード
JP2908014B2 (ja) * 1989-02-17 1999-06-21 インテグレーテッド・シリコン・デザイン・ピーティーワイ・リミテッド トランスポンダ・システム
US5305008A (en) * 1991-08-12 1994-04-19 Integrated Silicon Design Pty. Ltd. Transponder system
JP2533800B2 (ja) * 1989-06-02 1996-09-11 山武ハネウエル株式会社 マイクロ波応答装置
JP2517865Y2 (ja) * 1989-06-28 1996-11-20 オムロン株式会社 送受信機
DE3922556C3 (de) * 1989-07-08 1994-09-15 Gabriele Manner Anordnung zur kontaktlosen Energie- und Sensorsignalübertragung
FR2650905B1 (fr) * 1989-08-08 1994-08-26 Guena Jean Systeme radio de transmission de donnees a une extremite passive de faible cout
JPH03113387A (ja) * 1989-09-27 1991-05-14 Nippon Soken Inc 移動体識別装置の応答器
US5055659A (en) * 1990-02-06 1991-10-08 Amtech Technology Corp. High speed system for reading and writing data from and into remote tags
FR2658374B1 (fr) * 1990-02-09 1992-06-05 Signaux Equipements Electro Ci Systeme hyperfrequence de transmission de donnees a distance.
US5355126A (en) * 1990-08-06 1994-10-11 Motorola, Inc. Selective call system interactive with a wide area selective call system
JPH0496520A (ja) * 1990-08-13 1992-03-27 Sharp Corp データ送信装置
US5247305A (en) * 1990-10-10 1993-09-21 Nippondenso Co., Ltd. Responder in movable-object identification system
DE69128683T2 (de) * 1990-10-10 1998-09-10 Denso Corp Antwortgerät zur Anwendung in einem System zur Identifizierung von bewegbaren Objekten
IL100451A (en) * 1990-12-28 1994-08-26 Bashan Oded Contactless data communication system
US5172121A (en) * 1991-04-30 1992-12-15 Consolidated Rail Corp. System for automatic identification of rail cars
US5218344A (en) * 1991-07-31 1993-06-08 Ricketts James G Method and system for monitoring personnel
US5264854A (en) * 1992-03-12 1993-11-23 Spiess Newton E Multiple vehicle identification and classification system
US5343906A (en) * 1992-05-15 1994-09-06 Biodigital Technologies, Inc. Emisson validation system
US5491482A (en) * 1992-12-29 1996-02-13 David Sarnoff Research Center, Inc. Electronic system and method for remote identification of coded articles and the like
US5287112A (en) * 1993-04-14 1994-02-15 Texas Instruments Incorporated High speed read/write AVI system
DE69412956T2 (de) * 1993-10-04 1999-05-12 Amtech Corp., Dallas, Tex. Mikrostreifenleiterantenne mit modulierter Rückstreustrahlung
US5771021A (en) * 1993-10-04 1998-06-23 Amtech Corporation Transponder employing modulated backscatter microstrip double patch antenna
US5414624A (en) * 1993-11-08 1995-05-09 Avid Systems Corporation Automated vehicle parking system
DE69516568T2 (de) * 1994-03-04 2001-01-04 Ncr International, Inc. Bereichserweitertes drahtloses Übertragungssystem mit modulierter Rückstrahlung
US5469978A (en) * 1994-07-12 1995-11-28 Keystone Railway Equipment Company, Inc. Condition indicating system for railway car cushioning unit
US5626630A (en) * 1994-10-13 1997-05-06 Ael Industries, Inc. Medical telemetry system using an implanted passive transponder
US5722048A (en) * 1994-12-02 1998-02-24 Ncr Corporation Apparatus for improving the signal to noise ratio in wireless communication systems through message pooling and method of using the same
US5635693A (en) * 1995-02-02 1997-06-03 International Business Machines Corporation System and method for tracking vehicles in vehicle lots
US5598169A (en) * 1995-03-24 1997-01-28 Lucent Technologies Inc. Detector and modulator circuits for passive microwave links
JPH0933645A (ja) * 1995-07-21 1997-02-07 Oki Electric Ind Co Ltd トランスポンダの電源回路
US5606323A (en) * 1995-08-31 1997-02-25 International Business Machines Corporation Diode modulator for radio frequency transponder
US7511621B1 (en) 1995-08-31 2009-03-31 Intermec Ip Corp. High-performance mobile power antennas
US5625341A (en) * 1995-08-31 1997-04-29 Sensormatic Electronics Corporation Multi-bit EAS marker powered by interrogation signal in the eight MHz band
US5742238A (en) * 1995-09-01 1998-04-21 Emtrak, Inc. System for communication between a central controller and items in a factory using infrared light
US5737710A (en) 1995-11-07 1998-04-07 Amtech Corporation Automated vehicle parking system for a plurality of remote parking facilities
US7358857B1 (en) 1996-03-27 2008-04-15 Symbol Technologies, Inc. Global positioning systems applications
US5850187A (en) * 1996-03-27 1998-12-15 Amtech Corporation Integrated electronic tag reader and wireless communication link
US6078251A (en) * 1996-03-27 2000-06-20 Intermec Ip Corporation Integrated multi-meter and wireless communication link
US6055414A (en) * 1996-07-23 2000-04-25 Ncr Corporation System and method for improving reliability and performance of wireless communication systems using message pooling
US6812824B1 (en) 1996-10-17 2004-11-02 Rf Technologies, Inc. Method and apparatus combining a tracking system and a wireless communication system
CA2268951A1 (en) * 1996-10-17 1998-04-23 Pinpoint Corporation Article tracking system
US6107910A (en) 1996-11-29 2000-08-22 X-Cyte, Inc. Dual mode transmitter/receiver and decoder for RF transponder tags
DE19652324A1 (de) * 1996-12-16 1998-06-25 Siemens Ag Transponder mit einer Mikrowellen-Empfangsantenne
US5912632A (en) * 1997-01-08 1999-06-15 International Business Machines Corporation Single chip RF tag oscillator circuit synchronized by base station modulation frequency
JP2840832B2 (ja) * 1997-02-10 1998-12-24 ソニー株式会社 反射型送信装置
US6208062B1 (en) 1997-08-18 2001-03-27 X-Cyte, Inc. Surface acoustic wave transponder configuration
US6060815A (en) 1997-08-18 2000-05-09 X-Cyte, Inc. Frequency mixing passive transponder
US5986382A (en) 1997-08-18 1999-11-16 X-Cyte, Inc. Surface acoustic wave transponder configuration
US6114971A (en) * 1997-08-18 2000-09-05 X-Cyte, Inc. Frequency hopping spread spectrum passive acoustic wave identification device
US6054925A (en) * 1997-08-27 2000-04-25 Data Investments Limited High impedance transponder with improved backscatter modulator for electronic identification system
US6281794B1 (en) 1998-01-02 2001-08-28 Intermec Ip Corp. Radio frequency transponder with improved read distance
US6177872B1 (en) 1998-03-13 2001-01-23 Intermec Ip Corp. Distributed impedance matching circuit for high reflection coefficient load
US6249227B1 (en) 1998-01-05 2001-06-19 Intermec Ip Corp. RFID integrated in electronic assets
US6138058A (en) * 1998-01-06 2000-10-24 Jenoptik Infab, Inc. Method for electronically tracking containers to avoid misprocessing of contents
US6104291A (en) * 1998-01-09 2000-08-15 Intermec Ip Corp. Method and apparatus for testing RFID tags
US6441740B1 (en) 1998-02-27 2002-08-27 Intermec Ip Corp. Radio frequency identification transponder having a reflector
US6639509B1 (en) 1998-03-16 2003-10-28 Intermec Ip Corp. System and method for communicating with an RFID transponder with reduced noise and interference
US6121878A (en) * 1998-05-01 2000-09-19 Intermec Ip Corp. System for controlling assets
US6201474B1 (en) 1998-10-21 2001-03-13 Intermec Ip Corp. Magnetic tape storage media having RFID transponders
US6100804A (en) * 1998-10-29 2000-08-08 Intecmec Ip Corp. Radio frequency identification system
US6236223B1 (en) 1998-11-09 2001-05-22 Intermec Ip Corp. Method and apparatus for wireless radio frequency testing of RFID integrated circuits
US6650230B1 (en) 1998-11-19 2003-11-18 Ncr Corporation Modulated backscatter wireless communication system having an extended range
WO2000036556A1 (en) * 1998-11-19 2000-06-22 Intermec Ip Corp. Charge sharing delay circuit for passive radio frequency (rf) tags
US6121880A (en) * 1999-05-27 2000-09-19 Intermec Ip Corp. Sticker transponder for use on glass surface
US6965866B2 (en) * 2000-05-01 2005-11-15 Elliot Klein Product warranty registration system and method
US20010037248A1 (en) * 2000-05-01 2001-11-01 Elliot Klein Product warranty registration system and method
US6509217B1 (en) 1999-10-22 2003-01-21 Damoder Reddy Inexpensive, reliable, planar RFID tag structure and method for making same
US6838989B1 (en) 1999-12-22 2005-01-04 Intermec Ip Corp. RFID transponder having active backscatter amplifier for re-transmitting a received signal
US6535175B2 (en) 2000-06-01 2003-03-18 Intermec Ip Corp. Adjustable length antenna system for RF transponders
US6505103B1 (en) 2000-09-29 2003-01-07 Ge Harris Harmon Railway Technology, Llc Method and apparatus for controlling remote locomotive operation
EP1211635B1 (en) * 2000-11-30 2007-07-25 ZIH Corp. Input impedance arrangement for Rf transponder
US6637703B2 (en) * 2000-12-28 2003-10-28 Ge Harris Railway Electronics Llc Yard tracking system
EP2287777A1 (en) 2001-02-12 2011-02-23 Symbol Technologies, Inc. Radio frequency identification architecture
US6825766B2 (en) 2001-12-21 2004-11-30 Genei Industries, Inc. Industrial data capture system including a choke point portal and tracking software for radio frequency identification of cargo
AU2002950973A0 (en) * 2002-08-22 2002-09-12 Magellan Technology Pty Ltd A radio frequency identification ("rfid") device
US6914528B2 (en) * 2002-10-02 2005-07-05 Battelle Memorial Institute Wireless communication systems, radio frequency identification devices, methods of enhancing a communications range of a radio frequency identification device, and wireless communication methods
KR100460137B1 (ko) * 2002-10-09 2004-12-03 태광산업주식회사 스판덱스 건식방사용 방사구금, 이를 이용하여 제조된스판덱스 및 스판덱스의 제조방법
US7538745B2 (en) * 2003-03-24 2009-05-26 Ntag Interactive Corporation Apparatus and method for enhancing face-to-face communication
US20110205056A9 (en) * 2003-03-24 2011-08-25 Borovoy Richard D Adding social networking to devices
US7055754B2 (en) * 2003-11-03 2006-06-06 Avery Dennison Corporation Self-compensating antennas for substrates having differing dielectric constant values
US7501984B2 (en) * 2003-11-04 2009-03-10 Avery Dennison Corporation RFID tag using a surface insensitive antenna structure
US7652636B2 (en) 2003-04-10 2010-01-26 Avery Dennison Corporation RFID devices having self-compensating antennas and conductive shields
US6956472B1 (en) 2003-04-28 2005-10-18 Walcott Jr James D Auto hang tag with radio transponder
KR100584328B1 (ko) * 2003-10-07 2006-05-26 삼성전자주식회사 무선주파수 식별 태그가 결합된 이동 단말 회로 및 그이동 단말기에서의 무선 식별 방법
KR20050040451A (ko) * 2003-10-28 2005-05-03 삼성전자주식회사 무선주파수 식별 기능을 가지는 이동통신 단말기 및 그이동통신 단말기에서의 무선주파수 식별 프로그래밍 방법
US7049966B2 (en) * 2003-10-30 2006-05-23 Battelle Memorial Institute Kl-53 Flat antenna architecture for use in radio frequency monitoring systems
US7512383B2 (en) * 2003-11-26 2009-03-31 Starkey Laboratories, Inc. Transmit-receive switching in wireless hearing aids
KR100566260B1 (ko) 2003-11-27 2006-03-29 삼성전자주식회사 무선주파수 식별 태그와 스마트 카드가 결합된 이동단말기및 그 이동단말기에서의 무선 식별 방법
WO2005093455A1 (en) * 2004-03-29 2005-10-06 Magellan Technology Pty Ltd. An article supply chain and/or authentication, monitoring, tracking and identification system, method and device
WO2005121832A1 (en) * 2004-06-09 2005-12-22 Magellan Technology Pty Ltd Method, system and apparatus for document management
US7479884B1 (en) * 2004-08-31 2009-01-20 Cedar Ridge Research System and method for monitoring objects, people, animals or places
US7501955B2 (en) * 2004-09-13 2009-03-10 Avery Dennison Corporation RFID device with content insensitivity and position insensitivity
US7366465B2 (en) * 2004-11-19 2008-04-29 Sirit Technologies Inc. Homodyne RFID receiver and method
US7209040B2 (en) * 2004-11-19 2007-04-24 Sirit Technologies, Inc. Homodyne RFID receiver and method
US7199713B2 (en) * 2004-11-19 2007-04-03 Sirit Technologies, Inc. Homodyne single mixer receiver and method therefor
US20060195354A1 (en) * 2005-02-28 2006-08-31 Ntag Interactive Corporation Method of scoring the performance of attendees at a meeting
US7501947B2 (en) * 2005-05-04 2009-03-10 Tc License, Ltd. RFID tag with small aperture antenna
GB0515523D0 (en) * 2005-07-28 2005-12-07 Bae Systems Plc Transponder
US8067253B2 (en) * 2005-12-21 2011-11-29 Avery Dennison Corporation Electrical device and method of manufacturing electrical devices using film embossing techniques to embed integrated circuits into film
US7564356B1 (en) 2006-10-06 2009-07-21 Tc License, Ltd. Interdigit AC coupling for RFID tags
US8400270B2 (en) * 2008-03-14 2013-03-19 General Electric Company Systems and methods for determining an operating state using RFID
US10628723B2 (en) 2018-07-10 2020-04-21 Datamax-O'neil Corporation Methods, systems, and apparatuses for encoding a radio frequency identification (RFID) inlay

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3299424A (en) * 1965-05-07 1967-01-17 Jorgen P Vinding Interrogator-responder identification system
US3914762A (en) * 1973-12-27 1975-10-21 Rca Corp Electronic identification system
SE384958B (sv) * 1974-07-19 1976-05-24 Philips Svenska Ab Sett for overforing av information i en transponderanleggning samt anordning for utforande av settet
US4075632A (en) * 1974-08-27 1978-02-21 The United States Of America As Represented By The United States Department Of Energy Interrogation, and detection system
US4044303A (en) * 1975-11-10 1977-08-23 John Reindel Microwave radiation detector
US4069472A (en) * 1975-12-25 1978-01-17 Tokyo Shibaura Electric Co., Ltd. Foreground subject-identifying apparatus
US4068232A (en) * 1976-02-12 1978-01-10 Fairchild Industries, Inc. Passive encoding microwave transponder
GB1577920A (en) * 1976-11-01 1980-10-29 Nedap Nv Detection plate for identification systems
SE413359B (sv) * 1978-08-25 1980-05-19 Stiftelsen Inst Mikrovags Anordning for astadkommande av ett enkelt sidband
FR2442452A1 (fr) * 1978-11-27 1980-06-20 Alsthom Cgee Dispositif de reconnaissance a distance d'un mobile porteur d'un dispositif repondeur code
EP0111753A3 (de) * 1982-11-18 1986-12-30 Götting KG Anordnung zum Identifizieren eines Objektes
US4546241A (en) * 1982-12-10 1985-10-08 Walton Charles A Electronic proximity identification system
GB8420893D0 (en) * 1984-08-16 1984-09-19 Buttemer D A Transponder
US4658263A (en) * 1985-02-11 1987-04-14 Allied Corporation Dual antenna for magnetic markers

Also Published As

Publication number Publication date
HK143596A (en) 1996-08-09
KR880002093A (ko) 1988-04-29
AU7533987A (en) 1988-01-21
EP0254954A1 (en) 1988-02-03
EP0254954B1 (en) 1991-10-09
AU585825B2 (en) 1989-06-22
US4786907A (en) 1988-11-22
IL82578A0 (en) 1987-11-30
CA1272787A (en) 1990-08-14
ES2025599T3 (es) 1992-04-01
JP2644496B2 (ja) 1997-08-25
JPS6329282A (ja) 1988-02-06
DE3773571D1 (de) 1991-11-14
KR970000545B1 (ko) 1997-01-13

Similar Documents

Publication Publication Date Title
IL82578A (en) Transponder useful in a system for identifying objects
HK87193A (en) System for identifying particular objects
GB2233313B (en) Automated drinkmaker system
EP0230642A3 (en) Tool identification system
HK1006907A1 (en) Transponder device
GB2256072B (en) Vehicle identification
GB2200778B (en) Object identification
GB8828595D0 (en) Identification cards
GB8706340D0 (en) Object identification system
HUT43779A (en) System for identifying moving objects
GB2187916B (en) Transponder system
GB8621552D0 (en) Non-contact identification system
GB2219175B (en) A transponder
GB2220751B (en) Sample location identification system
EP0247450A3 (en) Identification system
IL87616A0 (en) Identification system
HUT51806A (en) Enegy-spare high-intelligence information system advantageously for identifying objects
ZA885097B (en) Vehicle identification system
GB8603802D0 (en) Transponder system
GB8900222D0 (en) Identification system
GB8916541D0 (en) Entrycard identification system
GB8722127D0 (en) Identification system
GB8604680D0 (en) Holographic identification system
EP0425171A3 (en) Object identification in a display system
SG137893G (en) Vehilce identification

Legal Events

Date Code Title Description
KB Patent renewed