DE3265257D1 - Amorphous antipilferage marker - Google Patents

Amorphous antipilferage marker

Info

Publication number
DE3265257D1
DE3265257D1 DE8282108920T DE3265257T DE3265257D1 DE 3265257 D1 DE3265257 D1 DE 3265257D1 DE 8282108920 T DE8282108920 T DE 8282108920T DE 3265257 T DE3265257 T DE 3265257T DE 3265257 D1 DE3265257 D1 DE 3265257D1
Authority
DE
Germany
Prior art keywords
amorphous
marker
antipilferage marker
amorphous antipilferage
antipilferage
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
Application number
DE8282108920T
Other languages
German (de)
Inventor
Sheldon Kavesh
Gregory Jude Sellers
Wayne Henry Witte
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.)
Allied Corp
Original Assignee
Allied 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 Allied Corp filed Critical Allied Corp
Application granted granted Critical
Publication of DE3265257D1 publication Critical patent/DE3265257D1/en
Expired legal-status Critical Current

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
    • G08B13/2411—Tag deactivation
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C45/00—Amorphous alloys
    • C22C45/02—Amorphous alloys with iron as the major constituent
    • 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
    • H01F1/15308—Amorphous metallic alloys, e.g. glassy metals based on Fe/Ni

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Burglar Alarm Systems (AREA)
DE8282108920T 1981-11-02 1982-10-11 Amorphous antipilferage marker Expired DE3265257D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31762581A 1981-11-02 1981-11-02

Publications (1)

Publication Number Publication Date
DE3265257D1 true DE3265257D1 (en) 1985-09-12

Family

ID=23234528

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282108920T Expired DE3265257D1 (en) 1981-11-02 1982-10-11 Amorphous antipilferage marker

Country Status (4)

Country Link
EP (1) EP0078401B1 (en)
JP (1) JPS5886694A (en)
CA (1) CA1196986A (en)
DE (1) DE3265257D1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60204100A (en) * 1984-03-28 1985-10-15 日本電気株式会社 Magnetic maker
DE3545647A1 (en) * 1985-12-21 1987-06-25 Vacuumschmelze Gmbh DEACTIVATE SECURITY LABEL FOR ANTI-THEFT SECURITY SYSTEMS
SE8603415D0 (en) * 1986-08-14 1986-08-14 Leif Arnold Persson REMOTE SENSING OF METGLASS IDENTIFIERS
DE3717043A1 (en) * 1987-05-21 1988-12-15 Vacuumschmelze Gmbh AMORPHOUS ALLOY FOR STRIP-SHAPED SENSOR ELEMENTS
EP0295028B1 (en) * 1987-06-08 1993-04-14 Esselte Meto International GmbH Magnetic devices
US5146204A (en) * 1990-03-13 1992-09-08 Knogo Corporation Theft detection apparatus and flattened wire target and method of making same
US5029291A (en) * 1990-04-10 1991-07-02 Knogo Corporation Electromagnetic sensor element and methods and apparatus for making and using same
US5304983A (en) * 1991-12-04 1994-04-19 Knogo Corporation Multiple pulse responder and detection system and method of making and using same
US5395460A (en) * 1992-10-16 1995-03-07 Alliedsignal Inc. Harmonic markers made from Fe-Ni based soft magnetic alloys having nanocrystalline structure
US5798693A (en) 1995-06-07 1998-08-25 Engellenner; Thomas J. Electronic locating systems
JP5653051B2 (en) 2010-03-03 2015-01-14 ローランド株式会社 Electronic keyboard instrument pedal device
CN109778082B (en) * 2019-01-24 2020-01-21 南京航空航天大学 High-low temperature annealing toughness iron-based amorphous alloy and preparation method and application thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR763681A (en) * 1933-11-10 1934-05-04 Method of locating objects by modifying a magnetic field
US3665449A (en) * 1969-07-11 1972-05-23 Minnesota Mining & Mfg Method and apparatus for detecting at a distance the status and identity of objects
US3820104A (en) * 1972-12-15 1974-06-25 Stop Loss Inc Method and system for detecting an object within a magnetic field interrogation zone
US3856513A (en) * 1972-12-26 1974-12-24 Allied Chem Novel amorphous metals and amorphous metal articles
US3938125A (en) * 1974-02-20 1976-02-10 Minnesota Mining And Manufacturing Company Antipilferage system and marker therefor
US4298862A (en) * 1979-04-23 1981-11-03 Allied Chemical Corporation Amorphous antipilferage marker

Also Published As

Publication number Publication date
EP0078401A1 (en) 1983-05-11
CA1196986A (en) 1985-11-19
JPS5886694A (en) 1983-05-24
EP0078401B1 (en) 1985-08-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition