DK0611164T3 - Fremgangsmåde og anlæg til detektion af en markør - Google Patents

Fremgangsmåde og anlæg til detektion af en markør

Info

Publication number
DK0611164T3
DK0611164T3 DK94301004T DK94301004T DK0611164T3 DK 0611164 T3 DK0611164 T3 DK 0611164T3 DK 94301004 T DK94301004 T DK 94301004T DK 94301004 T DK94301004 T DK 94301004T DK 0611164 T3 DK0611164 T3 DK 0611164T3
Authority
DK
Denmark
Prior art keywords
marker
detecting
plant
surveillance zone
magnetic
Prior art date
Application number
DK94301004T
Other languages
Danish (da)
English (en)
Inventor
Daffyd Geraint Davies
Andrew Dames
Michael David Crossfield
Original Assignee
Meto International Gmbh
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 Meto International Gmbh filed Critical Meto International Gmbh
Application granted granted Critical
Publication of DK0611164T3 publication Critical patent/DK0611164T3/da

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
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2471—Antenna signal processing by receiver or emitter
    • 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
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2474—Antenna or antenna activator geometry, arrangement or layout

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
  • Catching Or Destruction (AREA)
DK94301004T 1993-02-11 1994-02-11 Fremgangsmåde og anlæg til detektion af en markør DK0611164T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939302757A GB9302757D0 (en) 1993-02-11 1993-02-11 Method and system for detecting a marker

Publications (1)

Publication Number Publication Date
DK0611164T3 true DK0611164T3 (da) 1999-10-11

Family

ID=10730280

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94301004T DK0611164T3 (da) 1993-02-11 1994-02-11 Fremgangsmåde og anlæg til detektion af en markør

Country Status (8)

Country Link
US (1) US5414410A (ja)
EP (1) EP0611164B1 (ja)
JP (1) JP3153697B2 (ja)
AT (1) ATE178154T1 (ja)
DE (1) DE69417278T2 (ja)
DK (1) DK0611164T3 (ja)
ES (1) ES2129579T3 (ja)
GB (1) GB9302757D0 (ja)

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* Cited by examiner, † Cited by third party
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GB2322048B (en) * 1995-04-04 1999-11-10 Flying Null Ltd Apparatus for interrogating magnetic tags
US5614824A (en) * 1995-05-15 1997-03-25 Crane & Co., Inc. Harmonic-based verifier device for a magnetic security thread having linear and non-linear ferromagnetic characteristics
JP3803982B2 (ja) * 1995-08-23 2006-08-02 マスプロ電工株式会社 盗難防止システム
US5900816A (en) * 1997-06-18 1999-05-04 Weaver; Jon Neal Anti-shoplifting security system utilizing a modulated transmitter signal
AU4070697A (en) * 1996-08-16 1998-03-06 Jon Neal Weaver Anti-shoplifting security system
US5973597A (en) * 1996-08-27 1999-10-26 Maspro Denkoh, Co., Ltd. Theft checking system
US5783871A (en) * 1996-09-24 1998-07-21 Trw Inc. Apparatus and method for sensing a rearward facing child seat
DE19752506A1 (de) * 1997-11-27 1999-06-02 Meto International Gmbh System zur Sicherung von Artikeln gegen Diebstahl
US6121878A (en) * 1998-05-01 2000-09-19 Intermec Ip Corp. System for controlling assets
US5959531A (en) * 1998-07-24 1999-09-28 Checkpoint Systems, Inc. Optical interface between receiver and tag response signal analyzer in RFID system for detecting low power resonant tags
US5955950A (en) * 1998-07-24 1999-09-21 Checkpoint Systems, Inc. Low noise signal generator for use with an RFID system
US6163259A (en) * 1999-06-04 2000-12-19 Research Electronics International Pulse transmitting non-linear junction detector
US6307468B1 (en) * 1999-07-20 2001-10-23 Avid Identification Systems, Inc. Impedance matching network and multidimensional electromagnetic field coil for a transponder interrogator
RU2177611C2 (ru) * 2000-03-09 2001-12-27 Никитин Петр Иванович Измеритель магнитной восприимчивости
FR2812481B1 (fr) * 2000-07-31 2002-12-13 Commissariat Energie Atomique Systeme de localisation a courte distance
ITAR20000040A1 (it) * 2000-09-08 2002-03-08 Alessandro Manneschi Trasduttore lettore di transponder per il controllo dei passaggi
GB0103429D0 (en) * 2001-02-13 2001-03-28 Audiotel Internat Ltd Non-linear junction detector
US6937011B2 (en) 2001-12-10 2005-08-30 Rockwell Automation Technologies, Inc. Detector for magnetizable material using amplitude and phase discrimination
US6788049B2 (en) * 2001-12-31 2004-09-07 Rockwell Automation Technologies, Inc. Detector for magnetizable material using amplitude and phase discrimination
US6836216B2 (en) * 2002-05-09 2004-12-28 Electronic Article Surveillance Technologies, Ltd. Electronic article surveillance system
JP2005181173A (ja) * 2003-12-22 2005-07-07 Toshiba Corp 磁性体量検出装置
JP4111934B2 (ja) * 2004-06-04 2008-07-02 アンリツ産機システム株式会社 金属検出装置
US7808226B1 (en) 2005-10-26 2010-10-05 Research Electronics International Line tracing method and apparatus utilizing non-linear junction detecting locator probe
US7212008B1 (en) 2005-11-03 2007-05-01 Barsumian Bruce R Surveillance device detection utilizing non linear junction detection and reflectometry
BRPI0605714B1 (pt) * 2006-03-07 2018-06-26 José Gouveia Abrunhosa Jorge Dispositivo e processo para detecção de materiais magnéticos em sistemas antifurtos de tecnologia eletromagnética
US8131239B1 (en) 2006-08-21 2012-03-06 Vadum, Inc. Method and apparatus for remote detection of radio-frequency devices
US20130307533A1 (en) 2012-05-18 2013-11-21 Metrasens Limited Security system and method of detecting contraband items
GB201219097D0 (en) 2012-10-24 2012-12-05 Metrasens Ltd Apparatus for detecting ferromagnetic objects at a protected doorway assembly
KR20150036941A (ko) * 2013-09-30 2015-04-08 한국전자통신연구원 하모닉 피크들의 패턴 분석을 이용한 물질 분석 방법 및 장치
CN110045423A (zh) 2014-12-18 2019-07-23 梅特拉森斯有限公司 安全系统及检测违禁品的方法
KR101930935B1 (ko) 2015-04-20 2018-12-20 타깃 - 이에이에스 리미티드 기록 매체
GB201602652D0 (en) 2016-02-15 2016-03-30 Metrasens Ltd Improvements to magnetic detectors
ES2667121B2 (es) * 2017-12-27 2018-11-05 Universidad Politécnica de Madrid Sistema inductivo de transmisión/recepción de datos mediante bloqueo de la generación de armónicos de un núcleo ferromagnético

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990065A (en) * 1975-02-20 1976-11-02 The Magnavox Company Theft detection system
EP0020062B1 (en) * 1979-05-18 1984-03-07 Parmeko Limited Method and surveillance system for detecting the presence of an e.m. wave receptor reradiator
US4249167A (en) * 1979-06-05 1981-02-03 Magnavox Government And Industrial Electronics Company Apparatus and method for theft detection system having different frequencies
EP0153286B1 (en) * 1984-02-15 1990-06-13 Esselte Meto Eas International Ab Method and system for detecting an indicating device
US4622542A (en) * 1985-06-26 1986-11-11 Controlled Information Corporation Magnetic article surveillance system, method and coded marker
US4710752A (en) * 1986-08-08 1987-12-01 Pitney Bowes Inc. Apparatus and method for detecting a magnetic marker
US5121103A (en) * 1988-07-29 1992-06-09 Knogo Corporation Load isolated article surveillance system and antenna assembly
US5023598A (en) * 1990-01-02 1991-06-11 Pitney Bowes Inc. Digital signal processor for electronic article gates
US5304982A (en) * 1992-09-03 1994-04-19 Pitney Bowes Inc. Apparatus and method for detecting magnetic electronic article surveillance markers

Also Published As

Publication number Publication date
EP0611164A1 (en) 1994-08-17
JPH06324161A (ja) 1994-11-25
DE69417278T2 (de) 1999-10-14
GB9302757D0 (en) 1993-03-24
US5414410A (en) 1995-05-09
ES2129579T3 (es) 1999-06-16
ATE178154T1 (de) 1999-04-15
JP3153697B2 (ja) 2001-04-09
EP0611164B1 (en) 1999-03-24
DE69417278D1 (de) 1999-04-29

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