CA2630681C - Magnetic detacher with open access - Google Patents

Magnetic detacher with open access Download PDF

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Publication number
CA2630681C
CA2630681C CA2630681A CA2630681A CA2630681C CA 2630681 C CA2630681 C CA 2630681C CA 2630681 A CA2630681 A CA 2630681A CA 2630681 A CA2630681 A CA 2630681A CA 2630681 C CA2630681 C CA 2630681C
Authority
CA
Canada
Prior art keywords
magnet
magnetic
detacher
ring magnet
ring
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 - Lifetime
Application number
CA2630681A
Other languages
English (en)
French (fr)
Other versions
CA2630681A1 (en
Inventor
Wing K. Ho
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.)
Sensormatic Electronics LLC
Original Assignee
Tyco Fire and Security GmbH
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 Tyco Fire and Security GmbH filed Critical Tyco Fire and Security GmbH
Publication of CA2630681A1 publication Critical patent/CA2630681A1/en
Application granted granted Critical
Publication of CA2630681C publication Critical patent/CA2630681C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0273—Magnetic circuits with PM for magnetic field generation
    • H01F7/0278—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B73/00—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices
    • E05B73/0017—Anti-theft devices, e.g. tags or monitors, fixed to articles, e.g. clothes, and to be removed at the check-out of shops
    • E05B73/0047—Unlocking tools; Decouplers
    • E05B73/0052—Unlocking tools; Decouplers of the magnetic type
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B73/00—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices
    • E05B73/0017—Anti-theft devices, e.g. tags or monitors, fixed to articles, e.g. clothes, and to be removed at the check-out of shops
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B73/00—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices
    • E05B73/0017—Anti-theft devices, e.g. tags or monitors, fixed to articles, e.g. clothes, and to be removed at the check-out of shops
    • E05B73/0023—Containers, boxes, cases or the like, e.g. for compact discs or video-cassettes, specially adapted therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Burglar Alarm Systems (AREA)
  • Sheet Holders (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Clamps And Clips (AREA)
  • Camera Data Copying Or Recording (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Sampling And Sample Adjustment (AREA)
CA2630681A 2005-12-01 2005-12-01 Magnetic detacher with open access Expired - Lifetime CA2630681C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2005/043958 WO2007064339A1 (en) 2005-12-01 2005-12-01 Magnetic detacher with open access

Publications (2)

Publication Number Publication Date
CA2630681A1 CA2630681A1 (en) 2007-06-07
CA2630681C true CA2630681C (en) 2014-11-04

Family

ID=36645331

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2630681A Expired - Lifetime CA2630681C (en) 2005-12-01 2005-12-01 Magnetic detacher with open access

Country Status (9)

Country Link
EP (1) EP1957735B1 (de)
JP (1) JP5397803B2 (de)
CN (1) CN101356331B (de)
AT (1) ATE503067T1 (de)
AU (1) AU2005338679B2 (de)
CA (1) CA2630681C (de)
DE (1) DE602005027133D1 (de)
ES (1) ES2359324T3 (de)
WO (1) WO2007064339A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8054185B2 (en) * 2008-12-17 2011-11-08 Sensormatic Electronics, LLC Optimization of the field profile on a high field strength magnetic detacher
CN201489630U (zh) * 2009-03-12 2010-05-26 欧隆商贸（上海）有限公司 磁推力防盗标签
US9850688B2 (en) 2013-01-30 2017-12-26 Tyco Fire & Security Gmbh Dynamic magnetic detacher

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339853A (en) * 1980-03-04 1982-07-20 Permag Corporation Magnetic decoupler
US4527310A (en) * 1983-07-22 1985-07-09 I. D. Engineering, Inc. Secure release apparatus for anti-theft fastening device
US5063934A (en) * 1987-10-07 1991-11-12 Advanced Techtronics, Inc. Permanent magnet arrangement
JP2511324B2 (ja) * 1990-12-28 1996-06-26 株式会社応用技術研究所 磁気掛止具
WO1997018492A1 (de) * 1995-11-14 1997-05-22 Maurer, Albert Lösemagnet für diebstahlsicherungen von verkaufsgegenständen
US6011474A (en) * 1998-04-28 2000-01-04 Sensormatic Electronics Corporation Multiple-use deactivation device for electronic article surveillance markers
US6084498A (en) * 1998-08-21 2000-07-04 Dexter Magnetic Technologies, Inc. Magnetic decoupler
CN100375826C (zh) * 2004-09-28 2008-03-19 上海冠龙阀门机械有限公司 防盗磁控装置及钥匙

Also Published As

Publication number Publication date
ATE503067T1 (de) 2011-04-15
DE602005027133D1 (de) 2011-05-05
EP1957735B1 (de) 2011-03-23
JP2009517771A (ja) 2009-04-30
CA2630681A1 (en) 2007-06-07
AU2005338679B2 (en) 2011-04-28
EP1957735A1 (de) 2008-08-20
JP5397803B2 (ja) 2014-01-22
HK1161859A1 (zh) 2012-08-10
WO2007064339A1 (en) 2007-06-07
CN101356331B (zh) 2013-01-16
AU2005338679A1 (en) 2007-06-07
ES2359324T3 (es) 2011-05-20
CN101356331A (zh) 2009-01-28
HK1125985A1 (en) 2009-08-21

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