BR9004571A - Marcador magneticamente ativo - Google Patents

Marcador magneticamente ativo

Info

Publication number
BR9004571A
BR9004571A BR909004571A BR9004571A BR9004571A BR 9004571 A BR9004571 A BR 9004571A BR 909004571 A BR909004571 A BR 909004571A BR 9004571 A BR9004571 A BR 9004571A BR 9004571 A BR9004571 A BR 9004571A
Authority
BR
Brazil
Prior art keywords
active
magnetic
deactivating
marker
tag
Prior art date
Application number
BR909004571A
Other languages
English (en)
Inventor
Dafydd Geraint Davies
Original Assignee
Scient Generics Ltd
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=10649786&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9004571(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Scient Generics Ltd filed Critical Scient Generics Ltd
Publication of BR9004571A publication Critical patent/BR9004571A/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
    • 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
    • G08B13/2405—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
    • G08B13/2414—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 inductive tags
    • G08B13/2417—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 inductive tags having a radio frequency identification chip
    • 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
    • G08B13/2442—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
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/24—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates from liquids
    • H01F41/26—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates from liquids using electric currents, e.g. electroplating

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Soft Magnetic Materials (AREA)
  • Paints Or Removers (AREA)
  • Burglar Alarm Systems (AREA)
  • Hard Magnetic Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Road Signs Or Road Markings (AREA)
  • Guiding Agricultural Machines (AREA)
  • Magnetic Treatment Devices (AREA)
  • Valve Device For Special Equipments (AREA)
BR909004571A 1989-01-09 1990-01-09 Marcador magneticamente ativo BR9004571A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898900398A GB8900398D0 (en) 1989-01-09 1989-01-09 Magnetic materials
PCT/GB1990/000024 WO1990007784A1 (en) 1989-01-09 1990-01-09 Magnetic materials for security applications

Publications (1)

Publication Number Publication Date
BR9004571A true BR9004571A (pt) 1991-07-30

Family

ID=10649786

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909004571A BR9004571A (pt) 1989-01-09 1990-01-09 Marcador magneticamente ativo

Country Status (11)

Country Link
EP (1) EP0412137B1 (pt)
JP (1) JP2582942B2 (pt)
AT (1) ATE105649T1 (pt)
AU (1) AU620198B2 (pt)
BR (1) BR9004571A (pt)
CA (1) CA2024608C (pt)
DE (1) DE69008789T2 (pt)
DK (1) DK0412137T3 (pt)
GB (1) GB8900398D0 (pt)
NO (1) NO903875D0 (pt)
WO (1) WO1990007784A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0172100B1 (ko) * 1989-10-31 1999-05-01 닐 디. 오스틴 전자식 제품 감시 시스템에 사용되는 제품에의 태그 부착 방법 및 여기에 사용되는 태그 또는 라벨
US5580664A (en) * 1992-12-23 1996-12-03 Minnesota Mining And Manufacturing Company Dual status thin-film eas marker having multiple magnetic layers
AU669014B2 (en) * 1992-12-23 1996-05-23 Minnesota Mining And Manufacturing Company Dual status thin-film EAS marker
US5401584A (en) * 1993-09-10 1995-03-28 Knogo Corporation Surveillance marker and method of making same
US5405702A (en) * 1993-12-30 1995-04-11 Minnesota Mining And Manufacturing Company Method for manufacturing a thin-film EAS and marker
US5847650A (en) * 1996-10-04 1998-12-08 Knogo North America Inc. Theft resistant circuit assembly
DE19834367A1 (de) 1998-07-30 2000-02-03 Meto International Gmbh Bandmaterial, Sicherungselement und Verfahren zur Herstellung eines Sicherungselements für die elektronische Artikelsicherung
GB2394725A (en) * 2002-10-04 2004-05-05 Qinetiq Ltd Method of forming a magnetic information tag by electroless deposition

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4484184A (en) * 1979-04-23 1984-11-20 Allied Corporation Amorphous antipilferage marker
NL8102148A (nl) * 1981-05-01 1982-12-01 Philips Nv Magnetisch overdrachtselement alsmede magnetisch permeabel onderdeel voor een magnetisch overdrachtselement.
US4661216A (en) * 1986-04-21 1987-04-28 International Business Machines Corporation Electrodepositing CoNiFe alloys for thin film heads
US4808279A (en) * 1986-10-02 1989-02-28 The University Of Toronto Innovations Foundation Process for preparing magnetic recording material
GB8713353D0 (en) * 1987-06-08 1987-07-15 Scient Generics Ltd Magnetic article surveillance systems
EP0295028B1 (en) * 1987-06-08 1993-04-14 Esselte Meto International GmbH Magnetic devices

Also Published As

Publication number Publication date
EP0412137B1 (en) 1994-05-11
WO1990007784A1 (en) 1990-07-12
EP0412137A1 (en) 1991-02-13
DE69008789T2 (de) 1994-11-24
ATE105649T1 (de) 1994-05-15
AU620198B2 (en) 1992-02-13
NO903875L (no) 1990-09-05
CA2024608C (en) 1997-08-19
AU4824890A (en) 1990-08-01
JPH03504183A (ja) 1991-09-12
GB8900398D0 (en) 1989-03-08
CA2024608A1 (en) 1990-07-10
NO903875D0 (no) 1990-09-05
DK0412137T3 (da) 1994-06-06
JP2582942B2 (ja) 1997-02-19
DE69008789D1 (de) 1994-06-16

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