ATE248416T1 - Verfahren zum unterscheiden zwischen halbweichem und weichem magnetischem material - Google Patents

Verfahren zum unterscheiden zwischen halbweichem und weichem magnetischem material

Info

Publication number
ATE248416T1
ATE248416T1 AT00977446T AT00977446T ATE248416T1 AT E248416 T1 ATE248416 T1 AT E248416T1 AT 00977446 T AT00977446 T AT 00977446T AT 00977446 T AT00977446 T AT 00977446T AT E248416 T1 ATE248416 T1 AT E248416T1
Authority
AT
Austria
Prior art keywords
soft magnetic
semi
magnetic material
soft
article
Prior art date
Application number
AT00977446T
Other languages
English (en)
Inventor
Lintelo Johannes Te
John Fisher
Paul Robertson
Original Assignee
Bekaert Sa 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 EP99203618A external-priority patent/EP1096451A1/de
Application filed by Bekaert Sa Nv filed Critical Bekaert Sa Nv
Application granted granted Critical
Publication of ATE248416T1 publication Critical patent/ATE248416T1/de

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2482—EAS methods, e.g. description of flow chart of the detection procedure
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Soft Magnetic Materials (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Magnetic Heads (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
AT00977446T 1999-11-01 2000-10-23 Verfahren zum unterscheiden zwischen halbweichem und weichem magnetischem material ATE248416T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP99203618A EP1096451A1 (de) 1999-11-01 1999-11-01 Verfahren zur halbweichen Sicherheitseinrichtungsdetektion
EP00201820 2000-05-25
PCT/EP2000/010722 WO2001033525A1 (en) 1999-11-01 2000-10-23 Method for distinguishing between semi-soft and soft magnetic material

Publications (1)

Publication Number Publication Date
ATE248416T1 true ATE248416T1 (de) 2003-09-15

Family

ID=26072273

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00977446T ATE248416T1 (de) 1999-11-01 2000-10-23 Verfahren zum unterscheiden zwischen halbweichem und weichem magnetischem material

Country Status (7)

Country Link
US (1) US6707295B1 (de)
EP (1) EP1226566B1 (de)
AT (1) ATE248416T1 (de)
AU (1) AU1516401A (de)
DE (1) DE60004874T2 (de)
ES (1) ES2206323T3 (de)
WO (1) WO2001033525A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1290428B1 (it) * 1997-03-21 1998-12-03 Ausimont Spa Grassi fluorurati
GB0519971D0 (en) 2005-09-30 2005-11-09 Rue De Int Ltd Method and apparatus for detecting a magnetic feature on an article
EP1943545A2 (de) 2005-10-28 2008-07-16 Koninklijke Philips Electronics N.V. Verfahren und vorrichtung für spektrale computertomografie
DE102005062016A1 (de) * 2005-12-22 2007-07-05 Vacuumschmelze Gmbh & Co. Kg Pfandmarkierung, Pfandgut und Rücknahmegerät für Pfandgut sowie Verfahren zur automatischen Pfandkontrolle

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0295085B1 (de) 1987-06-08 1996-11-06 Esselte Meto International GmbH Magnetische Vorrichtungen verwendende Artikelermittlung und/oder -identifizierung
US4791412A (en) * 1988-01-28 1988-12-13 Controlled Information Corporation Magnetic article surveillance system and method
US5204526A (en) 1988-02-08 1993-04-20 Fuji Electric Co., Ltd. Magnetic marker and reading and identifying apparatus therefor
GB8824965D0 (en) 1988-10-25 1988-11-30 Emi Plc Thorn Magnetic identifier
DE4200082A1 (de) * 1992-01-03 1993-07-08 Minnesota Mining & Mfg Vorrichtung und verfahren zum erkennen eines magnetisierbaren markierungselementes
US5189397A (en) 1992-01-09 1993-02-23 Sensormatic Electronics Corporation Method and apparatus for determining the magnitude of a field in the presence of an interfering field in an EAS system
EP0798681A1 (de) * 1996-03-29 1997-10-01 Sensormatic Electronics Corporation Impuls- Abfragesignal in einem harmonische Frequenzen empfangendes Warenüberwachungssytem
CA2271791C (en) 1996-12-12 2006-04-25 N.V. Bekaert S.A. Article recognition and verification

Also Published As

Publication number Publication date
DE60004874T2 (de) 2004-07-08
US6707295B1 (en) 2004-03-16
EP1226566B1 (de) 2003-08-27
WO2001033525A1 (en) 2001-05-10
AU1516401A (en) 2001-05-14
EP1226566A1 (de) 2002-07-31
ES2206323T3 (es) 2004-05-16
DE60004874D1 (de) 2003-10-02

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties