HK1039199A1 - Far field magnet resensitizer apparatus for use with article surveillance systems - Google Patents

Far field magnet resensitizer apparatus for use with article surveillance systems

Info

Publication number
HK1039199A1
HK1039199A1 HK01108953A HK01108953A HK1039199A1 HK 1039199 A1 HK1039199 A1 HK 1039199A1 HK 01108953 A HK01108953 A HK 01108953A HK 01108953 A HK01108953 A HK 01108953A HK 1039199 A1 HK1039199 A1 HK 1039199A1
Authority
HK
Hong Kong
Prior art keywords
resensitizer
far field
field magnet
article surveillance
surveillance systems
Prior art date
Application number
HK01108953A
Inventor
Peter J Zarembo
Erland K Persson
Original Assignee
Minnesota Mining & Mfg
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 & Mfg filed Critical Minnesota Mining & Mfg
Publication of HK1039199A1 publication Critical patent/HK1039199A1/en

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)
HK01108953A 1998-10-13 2001-12-20 Far field magnet resensitizer apparatus for use with article surveillance systems HK1039199A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17066798A 1998-10-13 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

Publications (1)

Publication Number Publication Date
HK1039199A1 true HK1039199A1 (en) 2002-04-12

Family

ID=22620805

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01108953A HK1039199A1 (en) 1998-10-13 2001-12-20 Far field magnet resensitizer apparatus for use with article surveillance systems

Country Status (9)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240008748A (en) 2022-07-12 2024-01-19 엄태형 Balcony railing

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
EP1119833A1 (en) 2001-08-01
KR20010083887A (en) 2001-09-03
WO2000022587A1 (en) 2000-04-20
CA2344709C (en) 2008-12-30
DE69908392D1 (en) 2003-07-03
AU2688299A (en) 2000-05-01
DE69908392T2 (en) 2003-11-27
EP1119833B1 (en) 2003-05-28
BR9914407A (en) 2001-06-26
CA2344709A1 (en) 2000-04-20
JP2002527837A (en) 2002-08-27

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20110219