DE69306245T2 - Verfahren und vorrichtung zur elektronischen identifizierung - Google Patents

Verfahren und vorrichtung zur elektronischen identifizierung

Info

Publication number
DE69306245T2
DE69306245T2 DE69306245T DE69306245T DE69306245T2 DE 69306245 T2 DE69306245 T2 DE 69306245T2 DE 69306245 T DE69306245 T DE 69306245T DE 69306245 T DE69306245 T DE 69306245T DE 69306245 T2 DE69306245 T2 DE 69306245T2
Authority
DE
Germany
Prior art keywords
circuitry
pct
transponder unit
generating
identification data
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 - Fee Related
Application number
DE69306245T
Other languages
English (en)
Other versions
DE69306245D1 (de
Inventor
Carl Tyren
Leif Persson
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.)
RSO Corp NV
Original Assignee
RSO Corp NV
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
Priority claimed from SE9200145A external-priority patent/SE469673B/sv
Application filed by RSO Corp NV filed Critical RSO Corp NV
Application granted granted Critical
Publication of DE69306245D1 publication Critical patent/DE69306245D1/de
Publication of DE69306245T2 publication Critical patent/DE69306245T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2405Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
    • G08B13/2408Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using ferromagnetic tags
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K11/00Marking of animals
    • A01K11/006Automatic identification systems for animals, e.g. electronic devices, transponders for animals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/003Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V15/00Tags attached to, or associated with, an object, in order to enable detection of the object
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10019Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
    • G06K7/10029Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot
    • G06K7/10059Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot transponder driven
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • G06K7/10336Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the near field type, inductive coil
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/20Individual registration on entry or exit involving the use of a pass
    • G07C9/28Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2405Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
    • G08B13/2414Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using inductive tags
    • G08B13/2417Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using inductive tags having a radio frequency identification chip
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2428Tag details
    • G08B13/2431Tag circuit details
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2428Tag details
    • G08B13/2437Tag layered structure, processes for making layered tags
    • G08B13/2442Tag materials and material properties thereof, e.g. magnetic material details
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468Antenna in system and the related signal processing
    • G08B13/2474Antenna or antenna activator geometry, arrangement or layout
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2485Simultaneous detection of multiple EAS tags
DE69306245T 1992-01-20 1993-01-20 Verfahren und vorrichtung zur elektronischen identifizierung Expired - Fee Related DE69306245T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9200145A SE469673B (sv) 1992-01-20 1992-01-20 Saett och anordning vid beroeringsfri avkaenning av objekt
SE9203479A SE9203479L (sv) 1992-01-20 1992-11-18 Saett och anordning vid elektronisk identifiering
PCT/SE1993/000038 WO1993014474A1 (en) 1992-01-20 1993-01-20 Method and device for electronic identification

Publications (2)

Publication Number Publication Date
DE69306245D1 DE69306245D1 (de) 1997-01-09
DE69306245T2 true DE69306245T2 (de) 1997-04-03

Family

ID=26661299

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69306245T Expired - Fee Related DE69306245T2 (de) 1992-01-20 1993-01-20 Verfahren und vorrichtung zur elektronischen identifizierung

Country Status (10)

Country Link
US (1) US5557085A (de)
EP (1) EP0627106B1 (de)
JP (1) JPH07503344A (de)
AT (1) ATE145742T1 (de)
AU (1) AU3413693A (de)
CA (1) CA2128432A1 (de)
DE (1) DE69306245T2 (de)
ES (1) ES2096272T3 (de)
SE (1) SE9203479L (de)
WO (1) WO1993014474A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012201384A1 (de) * 2012-01-31 2013-08-01 Continental Automotive Gmbh Magnetoresistiver Sensor

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6266052B1 (en) 1993-09-03 2001-07-24 Display Edge Technology, Ltd. Power and information distribution system for article display or storage areas and related method
US6249263B1 (en) 1993-09-03 2001-06-19 Display Edge Technology, Ltd. Article-information display system using electronically controlled tags
US5736967A (en) * 1993-09-03 1998-04-07 Kayser Ventures, Ltd. Article-information display system using electronically controlled tags
US6181299B1 (en) 1993-09-03 2001-01-30 Display Edge Technology, Ltd. Power and communication system for electronic display tags
DE59508079D1 (de) * 1994-06-23 2000-05-04 Alcatel Sa Verfahren sowie Einrichtung zur Identifikation beweglicher Objekte
JP2853965B2 (ja) * 1994-07-26 1999-02-03 センサーテクノス株式会社 食堂の精算装置
US5880383A (en) * 1994-08-08 1999-03-09 Huff; Richard E. Vibrato assembly and acoustic coupling system for stringed instruments
IL110597A (en) * 1994-08-09 2002-11-10 Micro Tag Temed Ltd Method of marking, verifying and / or identifying an object and an instrument for performing the method
SE9402943L (sv) * 1994-09-02 1996-03-03 Rso Corp Etikett för märkning och fjärrindikering av föremål
JPH11509323A (ja) * 1995-07-17 1999-08-17 フライング・ナル・リミテッド 磁気タグまたはマーカに関する改良
JP3520627B2 (ja) * 1995-09-14 2004-04-19 ソニー株式会社 光反射防止部材及びその作製方法、並びに陰極線管
AU3947997A (en) * 1996-08-21 1998-03-06 A.T.L. Agricultural Technology Limited Identification apparatus
US5901660A (en) * 1996-09-12 1999-05-11 Bio-Enhancement Systems, Corp. Communications system for monitoring the presence of animals in a natural feeding environment
US5859587A (en) * 1996-09-26 1999-01-12 Sensormatic Electronics Corporation Data communication and electronic article surveillance tag
DE19642985A1 (de) * 1996-10-18 1998-04-23 Esselte Meto Int Gmbh Vorrichtung zur Überwachung eines elektronischen Sicherungselementes in einer Abfragezone
DE19644927A1 (de) * 1996-10-29 1998-04-30 Esselte Meto Int Gmbh Vorrichtung zur Überwachung eines elektronischen Sicherungselementes in einer Abfragezone
SE521232C2 (sv) * 1997-02-17 2003-10-14 Rso Corp Givare och metod för beröringsfri detektering av föremål
US5871651A (en) * 1997-04-02 1999-02-16 Gilbarco Inc. Electronic filter status sensor
JPH11167611A (ja) * 1997-08-28 1999-06-22 Supersensor Pty Ltd 電子認証システムのための読取装置
ES2147127B1 (es) * 1998-05-28 2001-03-01 Univ Madrid Complutense Metodo de deteccion de etiquetas resonantes a distancia.
SE515182C2 (sv) 1998-06-18 2001-06-25 Rso Corp Metod och system för fjärrdetektering av föremål
US6247857B1 (en) * 1999-08-11 2001-06-19 Eastman Kodak Company Multistage system for processing photographic film
FR2803673A1 (fr) * 2000-01-07 2001-07-13 Gemplus Card Int Procede d'identification d'etiquettes electroniques par discrimination d'amplitude des signaux dans un protocole non-deterministe
US6614392B2 (en) * 2001-12-07 2003-09-02 Delaware Capital Formation, Inc. Combination RFID and GPS functionality on intelligent label
US6870466B2 (en) * 2002-04-03 2005-03-22 Hewlett-Packard Development Company, L.P. Data display system and method for an object traversing a circuit
NL1021686C1 (nl) * 2002-10-17 2004-04-20 Klaas Siersema Stelsel voor het detecteren van een magneet.
US6997388B2 (en) * 2003-02-19 2006-02-14 Inksure Rf Inc. Radio frequency data carrier and method and system for reading data stored in the data carrier
GB0323349D0 (en) 2003-10-06 2003-11-05 Linksure Ltd Verification means
FR2861080B1 (fr) * 2003-10-20 2006-02-17 Lab Francais Du Fractionnement Anticorps presentant un taux de fucose et de galactose optimise
US7307527B2 (en) * 2004-07-01 2007-12-11 Avery Dennison Corporation RFID device preparation system and method
FR2875975B1 (fr) * 2004-09-27 2009-05-15 Commissariat Energie Atomique Dispositif sans contact de prorection de la vie privee
US20070169715A1 (en) 2004-12-13 2007-07-26 Innovive Inc. Containment systems and components for animal husbandry
US8156899B2 (en) 2004-12-13 2012-04-17 Innovive Inc. Containment systems and components for animal husbandry: nested covers
US7954455B2 (en) 2005-06-14 2011-06-07 Innovive, Inc. Cage cover with filter, shield and nozzle receptacle
GB2428541B (en) 2005-07-16 2010-03-10 Hewlett Packard Development Co Thermal identification of data storage devices
BRPI0615189B8 (pt) * 2005-08-22 2023-01-24 Avery Dennison Corp Método para fabricar uma etiqueta de dispositivo de identificação por radiofrequência (rfid)
EP2139312A1 (de) 2007-04-11 2010-01-06 Innovive, Inc. Schubladenkäfig für tierhaltung
US8717430B2 (en) 2010-04-26 2014-05-06 Medtronic Navigation, Inc. System and method for radio-frequency imaging, registration, and localization
EP2627169B1 (de) 2010-10-11 2019-12-18 Innovive, Inc. Verfahren zur überwachung von nagetierkäfigen
CA2916310C (en) 2013-07-01 2022-04-19 Innovive, Inc. Cage rack monitoring apparatus and methods
CA2956152C (en) 2014-07-25 2023-03-21 Innovive, Inc. Animal containment enrichment compositions and methods
US10132699B1 (en) 2014-10-06 2018-11-20 National Technology & Engineering Solutions Of Sandia, Llc Electrodeposition processes for magnetostrictive resonators
US10510945B1 (en) 2014-10-06 2019-12-17 National Technology & Engineering Solutions Of Sandia, Llc Magnetoelastically actuated MEMS device and methods for its manufacture
US9707502B1 (en) * 2016-09-26 2017-07-18 3M Innovative Properties Company Conductive loop detection member
WO2018081434A1 (en) 2016-10-28 2018-05-03 Innovive, Inc. Metabolic caging
CN108812396A (zh) * 2018-08-16 2018-11-16 成都睿畜电子科技有限公司 磁铁式牲畜耳标智能监控识别装置、监控系统及监控方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071818A (en) * 1975-11-03 1978-01-31 Combustion Engineering, Inc. Magnetostrictive position indicator
US4168496A (en) * 1977-10-05 1979-09-18 Lichtblau G J Quasi-stationary noise cancellation system
ZA813317B (en) * 1980-05-19 1982-05-26 Tag Radionics Ltd Coded information arrangement
US4459474A (en) * 1981-05-18 1984-07-10 Walton Charles A Identification system with separation and direction capability and improved noise rejection
US4388524A (en) * 1981-09-16 1983-06-14 Walton Charles A Electronic identification and recognition system with code changeable reactance
US4495496A (en) * 1981-12-15 1985-01-22 Johnson Engineering Corp. Personnel monitoring and locating system
US4510490A (en) * 1982-04-29 1985-04-09 Allied Corporation Coded surveillance system having magnetomechanical marker
US4584577A (en) * 1982-10-20 1986-04-22 Brookes & Gatehouse Limited Angular position sensor
US4656463A (en) * 1983-04-21 1987-04-07 Intelli-Tech Corporation LIMIS systems, devices and methods
US4647917A (en) * 1984-03-26 1987-03-03 Allied Corporation Article control system having coded magnetomechanical marker
US4600829A (en) * 1984-04-02 1986-07-15 Walton Charles A Electronic proximity identification and recognition system with isolated two-way coupling
US4727360A (en) * 1985-09-13 1988-02-23 Security Tag Systems, Inc. Frequency-dividing transponder and use thereof in a presence detection system
SE8603415D0 (sv) * 1986-08-14 1986-08-14 Leif Arnold Persson Remote sensing of metglas identifiers
GB8713353D0 (en) * 1987-06-08 1987-07-15 Scient Generics Ltd Magnetic article surveillance systems
DE3726484A1 (de) * 1987-08-08 1989-02-16 Enguvu Ag Baar Vorrichtung zur uebermittlung von daten aus einem tierkoerper
US4980670A (en) * 1987-11-04 1990-12-25 Sensormatic Electronics Corporation Deactivatable E.A.S. marker having a step change in magnetic flux
DE68908236T2 (de) * 1988-04-18 1993-11-25 Security Tag Systems Inc Frequenzteilendes Antwortgerät mit einem amorphen Draht zur Anwendung in einem System zur Anwesenheitsbestimmung.
GB8824965D0 (en) * 1988-10-25 1988-11-30 Emi Plc Thorn Magnetic identifier
SE8902330D0 (sv) * 1989-06-28 1989-06-28 Carl H Tyren Frequency carried mechanical stress information
GB9009739D0 (en) * 1990-05-01 1990-06-20 Disys Inc Transponder system
US5111186A (en) * 1990-11-29 1992-05-05 Sensormatic Electronics Corporation LC-type electronic article surveillance tag with voltage dependent capacitor
US5099225A (en) * 1990-11-29 1992-03-24 Sensormatic Electronics Corporation Electrostatic tag for use in an EAS system
US5406262A (en) * 1993-06-16 1995-04-11 Security Tag Systems, Inc. Adjusting magnetic bias field intensity in EAS presence detection system to enhance detection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012201384A1 (de) * 2012-01-31 2013-08-01 Continental Automotive Gmbh Magnetoresistiver Sensor

Also Published As

Publication number Publication date
WO1993014474A1 (en) 1993-07-22
AU3413693A (en) 1993-08-03
ATE145742T1 (de) 1996-12-15
EP0627106A1 (de) 1994-12-07
JPH07503344A (ja) 1995-04-06
EP0627106B1 (de) 1996-11-27
CA2128432A1 (en) 1993-07-22
US5557085A (en) 1996-09-17
SE9203479D0 (sv) 1992-11-18
DE69306245D1 (de) 1997-01-09
ES2096272T3 (es) 1997-03-01
SE9203479L (sv) 1993-07-21

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