DE68913094D1 - Elektromagnetisches Identifikationssystem. - Google Patents

Elektromagnetisches Identifikationssystem.

Info

Publication number
DE68913094D1
DE68913094D1 DE89307582T DE68913094T DE68913094D1 DE 68913094 D1 DE68913094 D1 DE 68913094D1 DE 89307582 T DE89307582 T DE 89307582T DE 68913094 T DE68913094 T DE 68913094T DE 68913094 D1 DE68913094 D1 DE 68913094D1
Authority
DE
Germany
Prior art keywords
tag
particles
deactivation
orientated
component
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
DE89307582T
Other languages
English (en)
Other versions
DE68913094T2 (de
Inventor
Andrew Laurence Smith
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.)
Central Research Laboratories Ltd
Original Assignee
Thorn EMI PLC
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 Thorn EMI PLC filed Critical Thorn EMI PLC
Publication of DE68913094D1 publication Critical patent/DE68913094D1/de
Application granted granted Critical
Publication of DE68913094T2 publication Critical patent/DE68913094T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic 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
    • G08B13/2405—Electronic 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
    • G08B13/2408—Electronic 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
    • G08B13/2411—Tag deactivation
    • 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
    • G06K19/02—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the selection of materials, e.g. to avoid wear during transport through the machine
    • 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
    • G06K19/06187—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 with magnetically detectable marking
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic 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
    • G08B13/2405—Electronic 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
    • G08B13/2414—Electronic 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
    • G08B13/2417—Electronic 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic 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
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic 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
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G08B13/2442—Tag materials and material properties thereof, e.g. magnetic material details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • Burglar Alarm Systems (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Cash Registers Or Receiving Machines (AREA)
DE68913094T 1988-07-27 1989-07-26 Elektromagnetisches Identifikationssystem. Expired - Fee Related DE68913094T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888817855A GB8817855D0 (en) 1988-07-27 1988-07-27 Electromagnetic identification system

Publications (2)

Publication Number Publication Date
DE68913094D1 true DE68913094D1 (de) 1994-03-24
DE68913094T2 DE68913094T2 (de) 1994-08-25

Family

ID=10641180

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68913094T Expired - Fee Related DE68913094T2 (de) 1988-07-27 1989-07-26 Elektromagnetisches Identifikationssystem.

Country Status (6)

Country Link
US (1) US4935724A (de)
EP (1) EP0353040B1 (de)
AT (1) ATE101736T1 (de)
CA (1) CA1301881C (de)
DE (1) DE68913094T2 (de)
GB (1) GB8817855D0 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8923155D0 (en) * 1989-10-13 1989-11-29 Emi Plc Thorn Improvements in or relating to financial transaction cards
US5017907A (en) * 1990-01-16 1991-05-21 Pitney Bowes Inc. Double pulse magnetic markers
US5083112A (en) * 1990-06-01 1992-01-21 Minnesota Mining And Manufacturing Company Multi-layer thin-film eas marker
US5355120A (en) * 1992-10-09 1994-10-11 Security Tag Systems, Inc. Frequency-dividing-transponder tag
US5480685A (en) * 1993-10-22 1996-01-02 Tomoegawa Paper Co., Ltd. Method of making a magnetic recording medium comprising two magnetic layers
US5399372A (en) * 1993-11-08 1995-03-21 Southwall Technologies, Inc. Method of patterning magnetic members
US5664113A (en) * 1993-12-10 1997-09-02 Motorola, Inc. Working asset management system and method
US5602527A (en) * 1995-02-23 1997-02-11 Dainippon Ink & Chemicals Incorporated Magnetic marker for use in identification systems and an indentification system using such magnetic marker
GB2322049B (en) * 1995-04-04 1999-11-10 Flying Null Ltd Magnetic markers or tags
US5602528A (en) * 1995-06-20 1997-02-11 Marian Rubber Products Company, Inc. Theft detection marker and method
US5717382A (en) * 1996-03-15 1998-02-10 Avery Dennison Corporation Device for use in detecting the unauthorized removal of an article of commerce from a store or other business establishment
US5736929A (en) * 1996-06-07 1998-04-07 International Business Machines Corporation System for concealed serialization utilizing a soft magnetic antitheft element
US5821859A (en) * 1996-06-07 1998-10-13 Ibm Corporation Concealed magnetic ID code and antitheft tag
GB9619896D0 (en) * 1996-09-24 1996-11-06 Flying Null Ltd Improvements in or relating to magnetic sensors
GB9620190D0 (en) * 1996-09-27 1996-11-13 Flying Null Ltd Improved methods for coding magnetic tags
DE19642225A1 (de) * 1996-10-12 1998-04-16 Esselte Meto Int Gmbh Sicherungselement für die elektronische Artikelsicherung und Verfahren zur Herstellung eines Sicherungselementes
US5825290A (en) * 1997-02-14 1998-10-20 Sensormatic Electronics Corporation Active element for magnetomechanical EAS marker incorporating particles of bias material
US6029891A (en) * 1997-07-29 2000-02-29 Sensor Research & Development Magnetic pattern verification system
US5920262A (en) * 1998-06-19 1999-07-06 Sensormatic Electronics Corporation Omnidirectional deactivator for magnetic labels or tags of EAS systems
FR2793886B1 (fr) * 1999-05-19 2001-06-22 Arjo Wiggins Sa Substrat comportant un marquage magnetique, procede de fabrication dudit substrat et dispositif l'utilisant
US7493391B2 (en) * 2001-02-12 2009-02-17 International Business Machines Corporation System for automated session resource clean-up by determining whether server resources have been held by client longer than preset thresholds
GB0200334D0 (en) * 2002-01-08 2002-02-20 Flying Null Ltd Temperature and drop sensor
GB0822617D0 (en) * 2008-12-11 2009-01-21 Courtenay Group Security tag deactivation unit
DE102021116855B3 (de) 2021-06-30 2022-04-21 Sick Ag Magnetcodierte Kennzeichnungsvorrichtung zum Anbringen an einem Objekt und magnetische Identifizierungsvorrichtung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1488483A (en) * 1973-10-23 1977-10-12 Emi Ltd Credit cards and other security documents
US4104513A (en) * 1974-10-16 1978-08-01 E M I Limited Magnetic recording
GB1524187A (en) * 1974-10-16 1978-09-06 Emi Ltd Magnetic recording
DE2752895A1 (de) * 1976-12-06 1978-06-08 Emi Ltd Verfahren zur herstellung einer materialschicht, deren oberflaeche ein abtastbares muster aufweist, sowie sicherheitsdokumentensystem
GB1605042A (en) * 1978-05-30 1981-12-16 Emi Ltd Secure information storage
EP0024800A1 (de) * 1979-08-04 1981-03-11 EMI Limited Sicherheitsdokument und -system
EP0150498B1 (de) * 1984-01-14 1988-09-21 Bayer Ag Träger für senkrechte magnetische Aufzeichnung
US4568921A (en) * 1984-07-13 1986-02-04 Knogo Corporation Theft detection apparatus and target and method of making same
US4752758A (en) * 1986-07-21 1988-06-21 Minnesota Mining And Manufacturing Company Demagnetization apparatus for magnetic markers used with article surveilliance systems
US4857891A (en) * 1988-04-29 1989-08-15 Minnesota Mining And Manufacturing Company Random-filament, multi-directionally responsive marker for use in electronic article surveillance systems

Also Published As

Publication number Publication date
DE68913094T2 (de) 1994-08-25
ATE101736T1 (de) 1994-03-15
EP0353040A3 (en) 1990-05-30
GB8817855D0 (en) 1988-09-01
EP0353040A2 (de) 1990-01-31
CA1301881C (en) 1992-05-26
EP0353040B1 (de) 1994-02-16
US4935724A (en) 1990-06-19

Similar Documents

Publication Publication Date Title
ATE101736T1 (de) Elektromagnetisches identifikationssystem.
ES2096272T3 (es) Metodo y dispositivo para identificacion electronica.
DE69421204D1 (de) Elektronisches Warenüberwachsungssystem mit Verbesserter geometrische Anordnung
DE68916490D1 (de) Frequenzteilender Transponder in Form eines deaktivierbaren Etiketts.
FI903463A0 (fi) Foerfarande och anordning foer integrerad datauppsamling och elektronisk oevervakning av artiklar.
BR8302198A (pt) Marcador e sistema de vigilancia de artigos
AU560069B2 (en) Magnetomechanical surveillance marker
MX9800569A (es) Mejoras relacionadas con etiquetas o marcadores magneticos.
ES512290A0 (es) Un circuito devisor de frecuencia perfeccionado.
US4670740A (en) Portable, batteryless, frequency divider consisting of inductor and diode
BR9103909A (pt) Aparelho e processo para uso na conformacao de um campo magnetico em uma zona,sistema de vigilancia sobre artigos e processo de detectar artigos contendo marcadores magneticos
DK637089A (da) Tyverisikringsanlaeg
BR9206000A (pt) Processo e sistema para moldagem por injeção de artigos de plástico
ES2092664T3 (es) Dispositivo de desactivacion de etiquetas de resonancia.
BR9106183A (pt) Processo para modificar as propriedades magneticas de um fino filme de um material magneticamente ativo e marcador para sistemas anti-roubo ou de localizacao de artigo
ES2194951T3 (es) Etiquetas o sellos utiles en relacion con un sistema electronico de vigilancia de articulos.
ATE256905T1 (de) Universelles sicherungselement und verfahren zu seiner herstellung
DE69012233D1 (de) Zur Deaktivierung eines die Frequenz teilenden Transponder-Sicherungsetiketts wird darin ein vormagnetisierter Streifen in einen dreipoligen Magneten umgewandelt.
DE3684860D1 (de) Resonanzetikett zur verwendung in elektronischen radiofrequenten warenueberwachungssystemen.
BR9810830A (pt) Elemento de segurança para a vigilância eletrônica elemento de segurança para a vigilância eletrônica de artigos e sistema de vigilância eletrônica em combinação com um elemento de segurança para a vigilância eletrÈnica de artigos
EP0431343A3 (en) Audible tag for magnetic electronic article surveillance systems
RU93051077A (ru) Способ и схемное устройство для электронной маркировки предметов
Bush What has a corgi and a crook got in common? Tagging

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CENTRAL RESEARCH LABORATORIES LTD., HAYES, MIDDLES

8339 Ceased/non-payment of the annual fee