ES2171800T3 - Dispositivo para la vigilancia de un elemento de seguridad electronico en una zona de interrogacion. - Google Patents

Dispositivo para la vigilancia de un elemento de seguridad electronico en una zona de interrogacion.

Info

Publication number
ES2171800T3
ES2171800T3 ES97117103T ES97117103T ES2171800T3 ES 2171800 T3 ES2171800 T3 ES 2171800T3 ES 97117103 T ES97117103 T ES 97117103T ES 97117103 T ES97117103 T ES 97117103T ES 2171800 T3 ES2171800 T3 ES 2171800T3
Authority
ES
Spain
Prior art keywords
signs
received
arithmetic
receiver
place
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
Application number
ES97117103T
Other languages
English (en)
Inventor
David Stocks
Terry Clancy
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.)
Meto International GmbH
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 ES2171800T3 publication Critical patent/ES2171800T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G08B13/2482—EAS methods, e.g. description of flow chart of the detection procedure
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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 SYSTEMS, e.g. PERSONAL 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

LA INVENCION CONSISTE EN UN DISPOSITIVO PARA CONTROLAR UN ELEMENTO ELECTRONICO DE SEGURIDAD EN UNA ZONA DE DETECCION. DICHO DISPOSITIVO SE COMPONE DE UN EMISOR (4), UN RECEPTOR (5) Y UNA UNIDAD ARITMETICA/DE REGULACION (7). EL EMISOR (4) ENVIA A LA ZONA DE DETECCION (3) UNA SEÑAL PERIODICA DE DETECCION QUE ACTIVA EL ELEMENTO DE SEGURIDAD (2) PARA QUE ESTE ENVIE A SU VEZ UNA SEÑAL DE RECONOCIMIENTO; EL RECEPTOR (5) RECIBE LA SEÑAL DE RECONOCIMIENTO Y LA UNIDAD ARITMETICA/DE REGULACION (7) EVALUA LAS SEÑALES (R) QUE RECIBE EL RECEPTOR (5) Y DISPARA UNA ALARMA AL IDENTIFICAR EL ELEMENTO DE SEGURIDAD (2). EL DISPOSITIVO (1) QUE PROPONE LA INVENCION PRETENDE MEJORAR, DENTRO DE UNA ZONA DE DETECCION (3), EL RECONOCIMIENTO DE ARTICULOS (6) QUE INCORPORAN ELEMENTOS DE SEGURIDAD (2) DETECTABLES POR MEDIOS ELECTRONICOS. PARA ELLO, LA UNIDAD ARITMETICA/DE REGULACION (7) TIENE UNA TRIPLE FUNCION: EN PRIMER LUGAR, REGISTRA LAS SEÑALES (R) QUE SE RECIBEN DURANTE UN PERIODO DE TIEMPO (TP) PREDETERMINADO;EN SEGUNDO LUGAR, DETERMINA SI EN LAS SEÑALES RECIBIDAS (R) APARECEN SEÑALES PARASITAS Y, EN TAL CASO, CON QUE PERIODO; Y EN TERCER LUGAR, ELIMINA LAS SEÑALES PARASITAS HALLADAS EN LAS SEÑALES RECIBIDAS (R).
ES97117103T 1996-10-29 1997-10-02 Dispositivo para la vigilancia de un elemento de seguridad electronico en una zona de interrogacion. Expired - Lifetime ES2171800T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19644927A DE19644927A1 (de) 1996-10-29 1996-10-29 Vorrichtung zur Überwachung eines elektronischen Sicherungselementes in einer Abfragezone

Publications (1)

Publication Number Publication Date
ES2171800T3 true ES2171800T3 (es) 2002-09-16

Family

ID=7810307

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97117103T Expired - Lifetime ES2171800T3 (es) 1996-10-29 1997-10-02 Dispositivo para la vigilancia de un elemento de seguridad electronico en una zona de interrogacion.

Country Status (4)

Country Link
US (1) US5894270A (es)
EP (1) EP0840266B1 (es)
DE (2) DE19644927A1 (es)
ES (1) ES2171800T3 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6750768B2 (en) * 2002-04-15 2004-06-15 Wg Security Products, Inc. EAS system employing pseudorandom coding system and method
US6753821B2 (en) * 2002-04-22 2004-06-22 Wg Security Products, Inc. Method and arrangement of antenna system of EAS
US8131239B1 (en) 2006-08-21 2012-03-06 Vadum, Inc. Method and apparatus for remote detection of radio-frequency devices
CN121605444A (zh) 2023-08-01 2026-03-03 株式会社安尼塞尔 能够避免周围环境噪声的安全纸检测设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4168496A (en) * 1977-10-05 1979-09-18 Lichtblau G J Quasi-stationary noise cancellation system
US4459474A (en) * 1981-05-18 1984-07-10 Walton Charles A Identification system with separation and direction capability and improved noise rejection
US4668942A (en) * 1984-11-19 1987-05-26 Progressive Dynamics, Inc. Signal analysis apparatus including recursive filter for electromagnetic surveillance system
US4630035A (en) * 1985-01-04 1986-12-16 Motorola, Inc. Alarm system having alarm transmitter indentification codes and acoustic ranging
US4679035A (en) * 1985-07-30 1987-07-07 Sensormatic Electronics Corporation Tri-signal electromagnetic article surveillance system
US4975681A (en) * 1989-12-07 1990-12-04 Sensormatic Electronics Corporation Interfering signal rejection circuitry and electronic article surveillance system and method employing same
US5023598A (en) * 1990-01-02 1991-06-11 Pitney Bowes Inc. Digital signal processor for electronic article gates
GB9009739D0 (en) * 1990-05-01 1990-06-20 Disys Inc Transponder system
US5300922A (en) * 1990-05-29 1994-04-05 Sensormatic Electronics Corporation Swept frequency electronic article surveillance system having enhanced facility for tag signal detection
SE9203479L (sv) * 1992-01-20 1993-07-21 Rso Corp Saett och anordning vid elektronisk identifiering
US5349339A (en) * 1992-04-07 1994-09-20 Actron Entwicklungs Ag Apparatus for the detection of labels employing subtraction of background signals
US5495229A (en) * 1994-09-28 1996-02-27 Sensormatic Electronics Corporation Pulsed electronic article surveillance device employing expert system techniques for dynamic optimization
US5673024A (en) * 1996-04-22 1997-09-30 Sensormatic Electronics Corporation Electronic article surveillance system with comb filtering by polyphase decomposition and nonlinear filtering of subsequences
US5699045A (en) * 1996-06-06 1997-12-16 Sensormatic Electronics Corporation Electronic article surveillance system with cancellation of interference signals

Also Published As

Publication number Publication date
US5894270A (en) 1999-04-13
EP0840266A1 (de) 1998-05-06
DE59706000D1 (de) 2002-02-21
DE19644927A1 (de) 1998-04-30
EP0840266B1 (de) 2002-01-16

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