BR8906849A - Sistema de interrogacao para uso em um sistema anti-roubo - Google Patents

Sistema de interrogacao para uso em um sistema anti-roubo

Info

Publication number
BR8906849A
BR8906849A BR898906849A BR8906849A BR8906849A BR 8906849 A BR8906849 A BR 8906849A BR 898906849 A BR898906849 A BR 898906849A BR 8906849 A BR8906849 A BR 8906849A BR 8906849 A BR8906849 A BR 8906849A
Authority
BR
Brazil
Prior art keywords
interrogation
theft
theft system
emitter
coils
Prior art date
Application number
BR898906849A
Other languages
English (en)
Inventor
Michael David Corssfield
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
Application filed by Scient Generics Ltd filed Critical Scient Generics Ltd
Publication of BR8906849A publication Critical patent/BR8906849A/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
    • G08B13/2442—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
    • H01F5/00—Coils
    • H01F5/003—Printed circuit coils
BR898906849A 1988-04-15 1989-02-20 Sistema de interrogacao para uso em um sistema anti-roubo BR8906849A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888808933A GB8808933D0 (en) 1988-04-15 1988-04-15 Antipilferage system
PCT/GB1989/000164 WO1989009983A1 (en) 1988-04-15 1989-02-20 Antipilferage systems

Publications (1)

Publication Number Publication Date
BR8906849A true BR8906849A (pt) 1990-12-04

Family

ID=10635253

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898906849A BR8906849A (pt) 1988-04-15 1989-02-20 Sistema de interrogacao para uso em um sistema anti-roubo

Country Status (12)

Country Link
US (1) US5049856A (pt)
EP (1) EP0338660B1 (pt)
JP (1) JP2604477B2 (pt)
AT (1) ATE95930T1 (pt)
AU (1) AU608431B2 (pt)
BR (1) BR8906849A (pt)
CA (1) CA1295030C (pt)
DE (1) DE68909830T2 (pt)
DK (1) DK637089A (pt)
GB (1) GB8808933D0 (pt)
NO (1) NO895036L (pt)
WO (1) WO1989009983A1 (pt)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2662320B1 (fr) * 1990-05-18 1994-05-13 Cemagref Dispositif de liaison sans contact pour relier des troncons de bus serie.
JPH04245410A (ja) * 1991-01-30 1992-09-02 Sharp Corp 複同調回路用プリントコイル
DE69330265T2 (de) * 1992-11-25 2002-02-07 Simmonds Precision Products Datenverarbeitungsstrukturen und Methoden
GB9305085D0 (en) * 1993-03-12 1993-04-28 Esselte Meto Int Gmbh Electronic article surveillance system with enhanced geometric arrangement
US5581248A (en) * 1993-06-14 1996-12-03 Simmonds Precision Products, Inc. Embeddable device for contactless interrogation of sensors for smart structures
US5602540A (en) * 1993-06-14 1997-02-11 Simmonds Precision Products Inc. Fluid gauging apparatus with inductive interrogation
US5433115A (en) * 1993-06-14 1995-07-18 Simmonds Precision Products, Inc. Contactless interrogation of sensors for smart structures
US5515041A (en) * 1993-06-14 1996-05-07 Simmonds Precision Products Inc. Composite shaft monitoring system
DE19503896A1 (de) * 1995-02-07 1996-08-08 Esselte Meto Int Gmbh Einrichtung zur Detektierung eines mit einem elektronischen Sicherungselement versehenen Artikels
US5508684A (en) * 1995-03-02 1996-04-16 Becker; Richard S. Article tag
US5717381A (en) * 1995-12-21 1998-02-10 Eastman Kodak Company Copyright protection for photos and documents using magnetic elements
US5867101A (en) * 1997-02-03 1999-02-02 Sensormatic Electronics Corporation Multi-phase mode multiple coil distance deactivator for magnetomechanical EAS markers
US6060988A (en) * 1997-02-03 2000-05-09 Sensormatic Electronics Corporation EAS marker deactivation device having core-wound energized coils
US6289141B1 (en) * 1998-01-15 2001-09-11 Morton F. Roseman Apparatus for authenticating products and authorizing processes using the magnetic properties of a marker
GB9815118D0 (en) * 1998-07-14 1998-09-09 Clan Holdings Ltd Security tag
EP1195714A1 (de) * 2000-10-04 2002-04-10 Sokymat S.A. Transpondereinheit
US20060180094A1 (en) * 2005-02-15 2006-08-17 Viggiano Gregory R Pet containment apparatus and method
KR102257892B1 (ko) * 2014-11-26 2021-05-28 삼성전자주식회사 개선된 ｎｆｃ 안테나 및 그 안테나를 갖는 전자 장치

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU451179B2 (en) * 1973-03-23 1974-08-01 Knogo Corporation System for article theft detection
US4135183A (en) * 1977-05-24 1979-01-16 Minnesota Mining And Manufacturing Company Antipilferage system utilizing "figure-8" shaped field producing and detector coils
US4263553A (en) * 1978-05-30 1981-04-21 Cook Kenneth M Discriminating metal detector with compensation for ground minerals
JPS622733Y2 (pt) * 1978-09-11 1987-01-22
US4305785A (en) * 1980-02-26 1981-12-15 The United States Of America As Represented By The United States Department Of Energy Sensor for detecting changes in magnetic fields
GB2110825B (en) * 1981-11-06 1986-04-30 Outokumpu Oy Apparatus for detecting metal objects
US4482874A (en) * 1982-06-04 1984-11-13 Minnesota Mining And Manufacturing Company Method of constructing an LC network
US4623877A (en) * 1983-06-30 1986-11-18 Knogo Corporation Method and apparatus for detection of targets in an interrogation zone
US4598276A (en) * 1983-11-16 1986-07-01 Minnesota Mining And Manufacturing Company Distributed capacitance LC resonant circuit
DK163151C (da) * 1983-11-16 1992-06-22 Minnesota Mining & Mfg Maerkeplade med lc resonanskredsloeb til anvendelse i elektronisk genstandsovervaagningssystem, fremgangsmaade til fremstilling af maerkeplader, samt elektronisk genstandsovervaagningssystem hvori maerkepladen anvendes.
US4578654A (en) * 1983-11-16 1986-03-25 Minnesota Mining And Manufacturing Company Distributed capacitance lc resonant circuit
US4541559A (en) * 1983-11-16 1985-09-17 Minnesota Mining And Manufacturing Company Method of making electrical connections between opposing metal foils having a flexible, insulating layer sandwiched therebetween
US4583099A (en) * 1983-12-27 1986-04-15 Polyonics Corporation Resonant tag circuits useful in electronic security systems
US4647917A (en) * 1984-03-26 1987-03-03 Allied Corporation Article control system having coded magnetomechanical marker
US4618822A (en) * 1984-04-18 1986-10-21 Position Orientation Systems, Ltd. Displacement sensing device utilizing adjustable tuned circuit
US4634975A (en) * 1984-09-17 1987-01-06 Progressive Dynamics, Inc. Method and apparatus for producing electromagnetic surveillance fields
US4613843A (en) * 1984-10-22 1986-09-23 Ford Motor Company Planar coil magnetic transducer
US4633250A (en) * 1985-01-07 1986-12-30 Allied Corporation Coplanar antenna for proximate surveillance systems
US4658241A (en) * 1985-09-17 1987-04-14 Allied Corporation Surveillance system including transmitter and receiver synchronized by power line zero crossings
US4769631A (en) * 1986-06-30 1988-09-06 Sensormatic Electronics Corporation Method, system and apparatus for magnetic surveillance of articles
US4837568A (en) * 1987-07-08 1989-06-06 Snaper Alvin A Remote access personnel identification and tracking system
US4866424A (en) * 1988-01-11 1989-09-12 Eg&G Astrophysics Research Corporation Metal detector coil
US4791412A (en) * 1988-01-28 1988-12-13 Controlled Information Corporation Magnetic article surveillance system and method

Also Published As

Publication number Publication date
AU608431B2 (en) 1991-03-28
JP2604477B2 (ja) 1997-04-30
DK637089D0 (da) 1989-12-15
JPH02504438A (ja) 1990-12-13
NO895036D0 (no) 1989-12-14
WO1989009983A1 (en) 1989-10-19
EP0338660B1 (en) 1993-10-13
DE68909830T2 (de) 1994-02-10
NO895036L (no) 1989-12-14
CA1295030C (en) 1992-01-28
GB8808933D0 (en) 1988-05-18
AU3288189A (en) 1989-11-03
DK637089A (da) 1989-12-15
EP0338660A1 (en) 1989-10-25
DE68909830D1 (de) 1993-11-18
ATE95930T1 (de) 1993-10-15
US5049856A (en) 1991-09-17

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