BR9600780A - Marcador para uso em um sistema de segurança eletrônica de artigos método de fabricação de um marcador e sistema magnetomecânico de segurança eletrônica de artigos - Google Patents

Marcador para uso em um sistema de segurança eletrônica de artigos método de fabricação de um marcador e sistema magnetomecânico de segurança eletrônica de artigos

Info

Publication number
BR9600780A
BR9600780A BR9600780A BR9600780A BR9600780A BR 9600780 A BR9600780 A BR 9600780A BR 9600780 A BR9600780 A BR 9600780A BR 9600780 A BR9600780 A BR 9600780A BR 9600780 A BR9600780 A BR 9600780A
Authority
BR
Brazil
Prior art keywords
marker
security system
electronic article
article security
magnetomechanical
Prior art date
Application number
BR9600780A
Other languages
English (en)
Inventor
Wing Ho
Nen-Chin Liu
Robert O'handley
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
Application filed by Sensormatic Electronics Corp filed Critical Sensormatic Electronics Corp
Publication of BR9600780A publication Critical patent/BR9600780A/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
    • G08B13/2428—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15316—Amorphous metallic alloys, e.g. glassy metals based on Co
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15341—Preparation processes therefor
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N35/00—Magnetostrictive devices
    • H10N35/80—Constructional details
    • H10N35/85—Magnetostrictive active materials

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Burglar Alarm Systems (AREA)
  • Soft Magnetic Materials (AREA)
  • Geophysics And Detection Of Objects (AREA)
BR9600780A 1995-02-22 1996-02-21 Marcador para uso em um sistema de segurança eletrônica de artigos método de fabricação de um marcador e sistema magnetomecânico de segurança eletrônica de artigos BR9600780A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/392,070 US5565849A (en) 1995-02-22 1995-02-22 Self-biased magnetostrictive element for magnetomechanical electronic article surveillance systems

Publications (1)

Publication Number Publication Date
BR9600780A true BR9600780A (pt) 1997-12-23

Family

ID=23549132

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9600780A BR9600780A (pt) 1995-02-22 1996-02-21 Marcador para uso em um sistema de segurança eletrônica de artigos método de fabricação de um marcador e sistema magnetomecânico de segurança eletrônica de artigos

Country Status (6)

Country Link
US (1) US5565849A (pt)
EP (1) EP0729122A1 (pt)
JP (1) JPH08278373A (pt)
AR (1) AR000957A1 (pt)
BR (1) BR9600780A (pt)
CA (1) CA2163185A1 (pt)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5786762A (en) * 1994-06-30 1998-07-28 Sensormatic Electronics Corporation Magnetostrictive element for use in a magnetomechanical surveillance system
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
CA2175262A1 (en) * 1995-05-24 1996-11-25 Hugo Lievens Magnetic antipilferage tag
US5949334A (en) * 1995-10-02 1999-09-07 Sensormatic Electronics Corporation Magnetostrictive element having optimized bias-field-dependent resonant frequency characteristic
CA2216897A1 (en) * 1996-09-30 1998-03-30 Unitika Ltd. Fe group-based amorphous alloy ribbon and magnetic marker
DE19653430A1 (de) * 1996-12-20 1999-04-01 Vacuumschmelze Gmbh Anzeigeelement für die Verwendung in einem magnetischen Warenüberwachungssystem
US5825290A (en) * 1997-02-14 1998-10-20 Sensormatic Electronics Corporation Active element for magnetomechanical EAS marker incorporating particles of bias material
US5745039A (en) * 1997-02-21 1998-04-28 Minnesota Mining And Manufacturing Company Remote sterilization monitor
DE69817666D1 (de) * 1997-04-30 2003-10-09 Hitachi Metals Ltd Magnetisch polarisiertes Material und Verfahren zu dessen Herstellung für magnetische Markierungselemente
US6067016A (en) 1997-06-02 2000-05-23 Avery Dennison Corporation EAS marker and method of manufacturing same
US6692672B1 (en) * 1997-06-02 2004-02-17 Avery Dennison Corporation EAS marker and method of manufacturing same
US6011475A (en) * 1997-11-12 2000-01-04 Vacuumschmelze Gmbh Method of annealing amorphous ribbons and marker for electronic article surveillance
US6023226A (en) * 1998-01-29 2000-02-08 Sensormatic Electronics Corporation EAS marker with flux concentrators having magnetic anisotropy oriented transversely to length of active element
US5999098A (en) * 1998-02-03 1999-12-07 Sensormatic Electronics Corporation Redistributing magnetic charge in bias element for magnetomechanical EAS marker
US5926095A (en) * 1998-03-18 1999-07-20 Sensormatic Electronics Corporation Transverse field annealing process to form E.A.S. marker having a step change in magnetic flux
US5982282A (en) * 1998-09-16 1999-11-09 Sensormatic Electronics Corporation Product authentication indicia concealed in magnetomechanical EAS marker
US6426700B1 (en) * 2000-05-31 2002-07-30 Sensormatic Electronics Corporation Bias configuration for a magnetomechanical EAS marker
AU2002216774A1 (en) 2000-06-29 2002-01-14 Avery Dennison Corporation Eas marker
KR20020006170A (ko) * 2000-07-11 2002-01-19 김창경 초소형 셀프 바이어스형 물류 구별 자성박막 센서 소자 및그의 제조방법
US6472987B1 (en) 2000-07-14 2002-10-29 Massachusetts Institute Of Technology Wireless monitoring and identification using spatially inhomogeneous structures
EP1258538B1 (en) * 2000-07-17 2006-10-11 NHK Spring Co., Ltd. Magnetic marker and its manufacturing method
US6645314B1 (en) * 2000-10-02 2003-11-11 Vacuumschmelze Gmbh Amorphous alloys for magneto-acoustic markers in electronic article surveillance having reduced, low or zero co-content and method of annealing the same
US6724310B1 (en) 2000-10-10 2004-04-20 Massachusetts Institute Of Technology Frequency-based wireless monitoring and identification using spatially inhomogeneous structures
US7221275B2 (en) * 2002-09-03 2007-05-22 Massachusetts Institute Of Technology Tuneable wireless tags using spatially inhomogeneous structures
CN100378875C (zh) * 2003-04-02 2008-04-02 真空融化两合公司 磁芯及其制造方法和在电流互感器和电流补偿的扼流圈中的应用
KR100754397B1 (ko) * 2006-02-22 2007-08-31 삼성전자주식회사 마그네틱 도메인 이동을 이용한 자기메모리
KR101167492B1 (ko) * 2006-08-11 2012-07-23 나카가와 토쿠슈코 가부시키가이샤 안테나용 코어 및 안테나
EP2538235B1 (de) 2011-06-24 2013-07-31 Christian-Albrechts-Universität zu Kiel Magnetostriktives Schichtsystem
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

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4158434A (en) * 1969-11-07 1979-06-19 Glen Peterson Electronic status determining system for goods
US4298862A (en) * 1979-04-23 1981-11-03 Allied Chemical Corporation Amorphous antipilferage marker
JPS58107607A (ja) * 1981-12-21 1983-06-27 Sony Corp 非晶質磁性材料の熱処理方法
US4510489A (en) * 1982-04-29 1985-04-09 Allied Corporation Surveillance system having magnetomechanical marker
US4510490A (en) * 1982-04-29 1985-04-09 Allied Corporation Coded surveillance system having magnetomechanical marker
JPS58219677A (ja) * 1982-06-03 1983-12-21 アイデンテイテツク　コ−ポレ−シヨン 磁気機械的マ−カ−をもつコ−ド化された監視システム
US4686516A (en) * 1984-11-26 1987-08-11 Sensormatic Electronics Corporation Method, system and apparatus for use in article surveillance
JP2713711B2 (ja) * 1987-11-17 1998-02-16 日立金属株式会社 防犯センサ用マーカ
US5252144A (en) * 1991-11-04 1993-10-12 Allied Signal Inc. Heat treatment process and soft magnetic alloys produced thereby
US5351033A (en) * 1992-10-01 1994-09-27 Sensormatic Electronics Corporation Semi-hard magnetic elements and method of making same
US5395460A (en) * 1992-10-16 1995-03-07 Alliedsignal Inc. Harmonic markers made from Fe-Ni based soft magnetic alloys having nanocrystalline structure
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

Also Published As

Publication number Publication date
AR000957A1 (es) 1997-08-27
US5565849A (en) 1996-10-15
AU697235B2 (en) 1998-10-01
JPH08278373A (ja) 1996-10-22
EP0729122A1 (en) 1996-08-28
AU4213296A (en) 1996-08-29
CA2163185A1 (en) 1996-08-23

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Legal Events

Date Code Title Description
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
B11T Dismissal of application maintained [chapter 11.20 patent gazette]