HK1024553A1 - Method and apparatus for activating magnetomechanical eas markers while preventing formation of demagnetization field - Google Patents

Method and apparatus for activating magnetomechanical eas markers while preventing formation of demagnetization field

Info

Publication number
HK1024553A1
HK1024553A1 HK00101325A HK00101325A HK1024553A1 HK 1024553 A1 HK1024553 A1 HK 1024553A1 HK 00101325 A HK00101325 A HK 00101325A HK 00101325 A HK00101325 A HK 00101325A HK 1024553 A1 HK1024553 A1 HK 1024553A1
Authority
HK
Hong Kong
Prior art keywords
preventing formation
demagnetization field
eas markers
magnetomechanical eas
activating
Prior art date
Application number
HK00101325A
Other languages
English (en)
Inventor
Richard L Copeland
Ming R Lian
Original Assignee
Sensormatic Electronics Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24998414&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1024553(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sensormatic Electronics Corp filed Critical Sensormatic Electronics Corp
Publication of HK1024553A1 publication Critical patent/HK1024553A1/xx

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
    • 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
    • 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
    • G08B13/2434—Tag housing and attachment details
    • 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
    • G08B13/244—Tag manufacturing, e.g. continuous manufacturing processes
    • 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)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Burglar Alarm Systems (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
HK00101325A 1996-11-12 2000-03-01 Method and apparatus for activating magnetomechanical eas markers while preventing formation of demagnetization field HK1024553A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/745,829 US6020817A (en) 1994-08-10 1996-11-12 Method and apparatus for activating magnetomechanical EAS markers while preventing formation of demagnetization field
PCT/US1997/016374 WO1998021700A1 (en) 1996-11-12 1997-09-12 Method and apparatus for activating magnetomechanical eas markers while preventing formation of demagnetization field

Publications (1)

Publication Number Publication Date
HK1024553A1 true HK1024553A1 (en) 2000-10-13

Family

ID=24998414

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00101325A HK1024553A1 (en) 1996-11-12 2000-03-01 Method and apparatus for activating magnetomechanical eas markers while preventing formation of demagnetization field

Country Status (10)

Country Link
US (1) US6020817A (xx)
EP (1) EP0938721B1 (xx)
JP (1) JP3877780B2 (xx)
AR (1) AR010287A1 (xx)
AU (1) AU733184B2 (xx)
BR (1) BR9713347A (xx)
CA (1) CA2271877C (xx)
DE (1) DE69737530T2 (xx)
HK (1) HK1024553A1 (xx)
WO (1) WO1998021700A1 (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070194927A1 (en) * 2006-02-15 2007-08-23 Johannes Maximilian Peter Electronic article surveillance marker
US20090195386A1 (en) * 2006-02-15 2009-08-06 Johannes Maxmillian Peter Electronic article surveillance marker
US7779533B2 (en) * 2006-02-15 2010-08-24 Phenix Label Company, Inc. Electronic article surveillance marker
US9013274B2 (en) * 2010-09-22 2015-04-21 3M Innovative Properties Company Magnetomechanical markers for marking stationary assets
CN102298815B (zh) 2011-05-20 2014-03-12 宁波讯强电子科技有限公司 一种高矫顽力偏置片、其制造方法及用其制成的声磁防盗标签
US9275529B1 (en) 2014-06-09 2016-03-01 Tyco Fire And Security Gmbh Enhanced signal amplitude in acoustic-magnetomechanical EAS marker
US9640852B2 (en) 2014-06-09 2017-05-02 Tyco Fire & Security Gmbh Enhanced signal amplitude in acoustic-magnetomechanical EAS marker
KR102537297B1 (ko) * 2016-07-05 2023-05-30 삼성디스플레이 주식회사 롤러블 표시 장치 및 이를 포함하는 전자 기기
CN110491622B (zh) * 2019-07-25 2021-11-12 骏材（深圳）科技工程有限公司 一种磁材充磁装置及其制作方法
CN112281885B (zh) * 2020-10-30 2021-12-03 中煤科工集团西安研究院有限公司 防渗膜接头自粘接装置及其自粘接式截水帷幕构筑方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4510489A (en) * 1982-04-29 1985-04-09 Allied Corporation Surveillance system having magnetomechanical marker
US5494550A (en) * 1993-09-07 1996-02-27 Sensormatic Electronics Corporation Methods for the making of electronic article surveillance tags and improved electronic article surveillance tags produced thereby
US5469140A (en) * 1994-06-30 1995-11-21 Sensormatic Electronics Corporation Transverse magnetic field annealed amorphous magnetomechanical elements for use in electronic article surveillance system and method of making same
US5495230A (en) * 1994-06-30 1996-02-27 Sensormatic Electronics Corporation Magnetomechanical article surveillance marker with a tunable resonant frequency
US5602528A (en) * 1995-06-20 1997-02-11 Marian Rubber Products Company, Inc. Theft detection marker and method

Also Published As

Publication number Publication date
EP0938721A4 (en) 2002-04-17
DE69737530T2 (de) 2007-07-19
US6020817A (en) 2000-02-01
JP3877780B2 (ja) 2007-02-07
JP2001503894A (ja) 2001-03-21
DE69737530D1 (de) 2007-05-10
EP0938721A1 (en) 1999-09-01
WO1998021700A1 (en) 1998-05-22
CA2271877C (en) 2009-09-01
BR9713347A (pt) 2000-05-09
AU4482097A (en) 1998-06-03
EP0938721B1 (en) 2007-03-28
AU733184B2 (en) 2001-05-10
CA2271877A1 (en) 1998-05-22
AR010287A1 (es) 2000-06-07

Similar Documents

Publication Publication Date Title
AU2326195A (en) Transverse magnetic field annealed amorphous magnetomechanical elements for use in electronic article surveillance system and method of making same
IL128168A0 (en) Method and equipment for rapid manufacture of loop material
IL130047A0 (en) Information security method and apparatus
AU5313799A (en) Article surveillance device and method for forming
EP1057154A4 (en) GAS DISCHARGE LAMP WITH SEPARATELY OPERABLE ELECTRODE GROUPS
AU9024598A (en) Method and apparatus for event notification for wireless devices
AU1892599A (en) Method and system for surveillance of portable articles
AUPP660298A0 (en) Apparatus and method for preventing disclosure of protected information
AU665720B2 (en) Surveillance marker and method of making same
AU4340897A (en) Method and composition for inhibiting decomposition of aspartame
HK1024553A1 (en) Method and apparatus for activating magnetomechanical eas markers while preventing formation of demagnetization field
AU4868499A (en) Method and apparatus for quenching of nonwoven filaments
GB9513377D0 (en) Security method and apparatus
AU2543799A (en) Information security method and apparatus
AU675283B2 (en) Method of treating night soil and apparatus therefor
GB2326756B (en) Signal reproduction apparatus and method
AU7724394A (en) Device and method for deactivating magnetic security strips
EP0928466A4 (en) METHOD AND APPARATUS FOR AUTOMATIC DEACTIVATION OF ELECTRONIC ARTICLE MONITORING TAGS
GB2302776B (en) Radio unit security system and method of operation
AU1071900A (en) Magnetic separation method and apparatus
AU2378395A (en) Method and device for destruction of objects
AU3090392A (en) Method of and system for surveillance and detection using magnetic markers
PL337062A1 (en) Method of and system for automatically producing markers
GB9818428D0 (en) Audible radio programming system and method of using same
AU5750898A (en) Process and device for producing deactivatable anti-theft devices

Legal Events

Date Code Title Description
AS Change of ownership

Owner name: SENSORMATIC ELECTRONICS CORPORATION

Free format text: FORMER OWNER(S): SENSORMATIC ELECTRONICS CORPORATION

PE Patent expired

Effective date: 20170911