AU2688299A - Far field magnet resensitizer apparatus for use with article surveillance systems - Google Patents

Far field magnet resensitizer apparatus for use with article surveillance systems Download PDF

Info

Publication number
AU2688299A
AU2688299A AU26882/99A AU2688299A AU2688299A AU 2688299 A AU2688299 A AU 2688299A AU 26882/99 A AU26882/99 A AU 26882/99A AU 2688299 A AU2688299 A AU 2688299A AU 2688299 A AU2688299 A AU 2688299A
Authority
AU
Australia
Prior art keywords
array
magnets
magnet
arrangement according
marker
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.)
Abandoned
Application number
AU26882/99A
Other languages
English (en)
Inventor
Erland K. Persson
Peter J. Zarembo
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of AU2688299A publication Critical patent/AU2688299A/en
Priority to AU2004201043A priority Critical patent/AU2004201043B2/en
Abandoned 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Burglar Alarm Systems (AREA)
AU26882/99A 1998-10-13 1999-02-19 Far field magnet resensitizer apparatus for use with article surveillance systems Abandoned AU2688299A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2004201043A AU2004201043B2 (en) 1998-10-13 2004-03-11 Far field magnet resensitizer apparatus for use with article surveillance systems

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US17066798A 1998-10-13 1998-10-13
US09170667 1998-10-13
PCT/US1999/003635 WO2000022587A1 (en) 1998-10-13 1999-02-19 Far field magnet resensitizer apparatus for use with article surveillance systems

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU2004201043A Division AU2004201043B2 (en) 1998-10-13 2004-03-11 Far field magnet resensitizer apparatus for use with article surveillance systems

Publications (1)

Publication Number Publication Date
AU2688299A true AU2688299A (en) 2000-05-01

Family

ID=22620805

Family Applications (1)

Application Number Title Priority Date Filing Date
AU26882/99A Abandoned AU2688299A (en) 1998-10-13 1999-02-19 Far field magnet resensitizer apparatus for use with article surveillance systems

Country Status (9)

Country Link
EP (1) EP1119833B1 (ko)
JP (1) JP2002527837A (ko)
KR (1) KR20010083887A (ko)
AU (1) AU2688299A (ko)
BR (1) BR9914407A (ko)
CA (1) CA2344709C (ko)
DE (1) DE69908392T2 (ko)
HK (1) HK1039199A1 (ko)
WO (1) WO2000022587A1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240008748A (ko) 2022-07-12 2024-01-19 엄태형 대피 기능을 갖는 발코니 난간

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4499444A (en) * 1983-05-20 1985-02-12 Minnesota Mining And Manufacturing Company Desensitizer for ferromagnetic markers used with electromagnetic article surveillance systems
US4752758A (en) * 1986-07-21 1988-06-21 Minnesota Mining And Manufacturing Company Demagnetization apparatus for magnetic markers used with article surveilliance systems
US4689590A (en) * 1986-07-21 1987-08-25 Minnesota Mining And Manufacturing Company Demagnetization apparatus for magnetic markers used with electromagnetic article surveillance systems
US5187462A (en) * 1990-02-15 1993-02-16 Minnesota Mining And Manufacturing Company Multiple magnet assembly for use with electromagnetic article surveillance markers
US5225807A (en) * 1991-09-16 1993-07-06 Knogo Corporation Method and apparatus for sensitizing and desensitizing targets for electronic article surveillance systems
US5285182A (en) * 1992-09-03 1994-02-08 Minnesota Mining And Manufacturing Company Desensitizing apparatus for electromagnetic article surveillance system
US5594420A (en) * 1995-02-02 1997-01-14 Sensormatic Electronics Corporation Rotating magnet array for deactivating EAS markers

Also Published As

Publication number Publication date
BR9914407A (pt) 2001-06-26
HK1039199A1 (en) 2002-04-12
CA2344709A1 (en) 2000-04-20
CA2344709C (en) 2008-12-30
DE69908392D1 (de) 2003-07-03
EP1119833B1 (en) 2003-05-28
JP2002527837A (ja) 2002-08-27
WO2000022587A1 (en) 2000-04-20
DE69908392T2 (de) 2003-11-27
EP1119833A1 (en) 2001-08-01
KR20010083887A (ko) 2001-09-03

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Legal Events

Date Code Title Description
MK5 Application lapsed section 142(2)(e) - patent request and compl. specification not accepted