BR9713347A - Método e aparelho para ativação de indicadores de eas magnetomecânicos enquanto evitando a formação do campo de desmagnetização - Google Patents

Método e aparelho para ativação de indicadores de eas magnetomecânicos enquanto evitando a formação do campo de desmagnetização

Info

Publication number
BR9713347A
BR9713347A BR9713347-7A BR9713347A BR9713347A BR 9713347 A BR9713347 A BR 9713347A BR 9713347 A BR9713347 A BR 9713347A BR 9713347 A BR9713347 A BR 9713347A
Authority
BR
Brazil
Prior art keywords
indicators
preventing
forming
demagnetization field
magnetomechanical eas
Prior art date
Application number
BR9713347-7A
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=BR9713347(A) "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 BR9713347A publication Critical patent/BR9713347A/pt

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)

Abstract

Patente de Invenção: <B>"MéTODO E APARELHO PARA ATIVAçãO DE INDICADORES DE EAS MAGNETOMECâNICOS ENQUANTO EVITANDO A FORMAçãO DO CAMPO DE DESMAGNETIZAçãO"<D>. Uma série bidimensional de indicadores meganetomecânicos (20) é aderida em um rolo de papel contínuo (62). Um elemento magnetizador (70) é explorado
BR9713347-7A 1996-11-12 1997-09-12 Método e aparelho para ativação de indicadores de eas magnetomecânicos enquanto evitando a formação do campo de desmagnetização BR9713347A (pt)

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
BR9713347A true BR9713347A (pt) 2000-05-09

Family

ID=24998414

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9713347-7A BR9713347A (pt) 1996-11-12 1997-09-12 Método e aparelho para ativação de indicadores de eas magnetomecânicos enquanto evitando a formação do campo de desmagnetização

Country Status (10)

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

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
HK1024553A1 (en) 2000-10-13
DE69737530D1 (de) 2007-05-10
EP0938721A1 (en) 1999-09-01
WO1998021700A1 (en) 1998-05-22
CA2271877C (en) 2009-09-01
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

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Legal Events

Date Code Title Description
B25G Requested change of headquarter approved
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B09W Decision of grant: rectification

Free format text: REFERENTE A RPI 1920 DE 23/10/2007 CODIGO DE DESPACHO: 9.1

B09W Decision of grant: rectification

Free format text: REFERENTE A RPI 1929 DE 26/12/2007 CODIGO DE DESPACHO: 9.1.4

B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 06/05/2008, OBSERVADAS AS CONDICOES LEGAIS.

B25A Requested transfer of rights approved

Owner name: SENSORMATIC ELECTRONICS, LLC (US)

Free format text: TRANSFERIDO DE: SENSORMATIC ELECTRONICS CORPORATION

B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection