ES2129579T3 - Metodo y sistema para detectar un marcador. - Google Patents
Metodo y sistema para detectar un marcador.Info
- Publication number
- ES2129579T3 ES2129579T3 ES94301004T ES94301004T ES2129579T3 ES 2129579 T3 ES2129579 T3 ES 2129579T3 ES 94301004 T ES94301004 T ES 94301004T ES 94301004 T ES94301004 T ES 94301004T ES 2129579 T3 ES2129579 T3 ES 2129579T3
- Authority
- ES
- Spain
- Prior art keywords
- marker
- detecting
- surveillance zone
- detect
- magnetic
- 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 - Lifetime
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)
Abstract
SE PRESENTA UN METODO PARA LA DETECCION DE UN INDICADOR MAGNETICO, TAL COMO UN INDICADOR ANTIRROBO, EL CUAL CONSISTE EN GENERAR SIMULTANEAMENTE UN CAMPO MAGNETICO DE FRECUENCIA RELATIVAMENTE BAJA Y OTRO DE FRECUENCIA RELATIVAMENTE ALTA EN UNA ZONA DE VIGILANCIA Y DETECTAR LOS PRODUCTOS DE INTERMODULACION GENERADOS POR UN INDICADOR EN RESPUESTA A LOS CAMPOS MAGNETICOS CUANDO EL INDICADOR PASA A TRAVES DE LA ZONA DE VIGILANCIA.
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 |
---|---|
ES2129579T3 true ES2129579T3 (es) | 1999-06-16 |
Family
ID=10730280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES94301004T Expired - Lifetime ES2129579T3 (es) | 1993-02-11 | 1994-02-11 | Metodo y sistema para detectar un marcador. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5414410A (es) |
EP (1) | EP0611164B1 (es) |
JP (1) | JP3153697B2 (es) |
AT (1) | ATE178154T1 (es) |
DE (1) | DE69417278T2 (es) |
DK (1) | DK0611164T3 (es) |
ES (1) | ES2129579T3 (es) |
GB (1) | GB9302757D0 (es) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
WO1998007052A1 (en) * | 1996-08-16 | 1998-02-19 | Jon Neal Weaver | Anti-shoplifting security system |
US5900816A (en) * | 1997-06-18 | 1999-05-04 | Weaver; Jon Neal | Anti-shoplifting security system utilizing a modulated transmitter signal |
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 |
WO2016097724A1 (en) | 2014-12-18 | 2016-06-23 | Metrasens Limited | Security system and method of detecting contraband items |
CN106257981B (zh) | 2015-04-20 | 2020-01-07 | 塔吉特-伊思有限公司 | 记录介质及制造该记录介质的方法 |
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 |
Family Cites Families (9)
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 |
AU567604B2 (en) * | 1984-02-15 | 1987-11-26 | Esselte Meto International Gmbh | 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 |
-
1993
- 1993-02-11 GB GB939302757A patent/GB9302757D0/en active Pending
-
1994
- 1994-02-10 US US08/194,285 patent/US5414410A/en not_active Expired - Lifetime
- 1994-02-11 ES ES94301004T patent/ES2129579T3/es not_active Expired - Lifetime
- 1994-02-11 EP EP94301004A patent/EP0611164B1/en not_active Expired - Lifetime
- 1994-02-11 DE DE69417278T patent/DE69417278T2/de not_active Expired - Fee Related
- 1994-02-11 DK DK94301004T patent/DK0611164T3/da active
- 1994-02-11 AT AT94301004T patent/ATE178154T1/de not_active IP Right Cessation
- 1994-02-14 JP JP1761594A patent/JP3153697B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB9302757D0 (en) | 1993-03-24 |
DK0611164T3 (da) | 1999-10-11 |
EP0611164A1 (en) | 1994-08-17 |
JPH06324161A (ja) | 1994-11-25 |
DE69417278D1 (de) | 1999-04-29 |
US5414410A (en) | 1995-05-09 |
EP0611164B1 (en) | 1999-03-24 |
DE69417278T2 (de) | 1999-10-14 |
ATE178154T1 (de) | 1999-04-15 |
JP3153697B2 (ja) | 2001-04-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2129579T3 (es) | Metodo y sistema para detectar un marcador. | |
ES2137322T3 (es) | Sistema electronico de vigilancia de articulos que presenta una disposicion geometrica mejorada. | |
DK472687A (da) | System til deaktivering af tyverisikringsmarkoer | |
NO892989D0 (no) | Merkebrikke for feste paa en gjenstand for aa paavises i en overvaakningssone. | |
ES512290A0 (es) | Un circuito devisor de frecuencia perfeccionado. | |
MX9800569A (es) | Mejoras relacionadas con etiquetas o marcadores magneticos. | |
ES2190558T3 (es) | Detector de movimiento. | |
ES457464A1 (es) | Un procedimiento y un dispositivo para comprobar la presencia de objetos en un determinado campo de control | |
SE8700957D0 (sv) | Method, system and apparatus for magnetic surveillance of articles | |
WO1998035878A3 (en) | Multi-phase mode multiple coil distance deactivator for magnetomechanical eas markers | |
EP0393889A3 (en) | Optical system | |
ATE95930T1 (de) | Diebstahlschutzsystem. | |
EP0909962A3 (en) | Pulse signal generation method and apparatus | |
DK0439237T3 (da) | Fremgangsmåde og apparat til deaktivering af elektromagnetiske detekteringsmærker | |
ATE136141T1 (de) | Verfahren und vorrichtung zum erkennen von veränderungen im bildinhalt eines videobildes | |
ES2041990T3 (es) | Transpondedor de hilo amorfo division de frecuencias para ser utilizado en un sistema de deteccion de presencia. | |
AU8520301A (en) | A magnetomechanical electronic article surveillance system and method using sideband detection | |
SE8803530L (sv) | Foerfarande och anordning vid larmsystem | |
EP0987821A3 (en) | Apparatus for and method of generating a pulse signal | |
FI923408A (fi) | Menetelmä esineen tunnistamiseksi ja esineen tunnistamisjärjestelmä |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 611164 Country of ref document: ES |