FR2426361A1 - Systeme de detection electromagnetique d'etiquettes fixees notamment sur des marchandises - Google Patents

Systeme de detection electromagnetique d'etiquettes fixees notamment sur des marchandises

Info

Publication number
FR2426361A1
FR2426361A1 FR7912735A FR7912735A FR2426361A1 FR 2426361 A1 FR2426361 A1 FR 2426361A1 FR 7912735 A FR7912735 A FR 7912735A FR 7912735 A FR7912735 A FR 7912735A FR 2426361 A1 FR2426361 A1 FR 2426361A1
Authority
FR
France
Prior art keywords
frequency
signal
response
goods
detection system
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.)
Granted
Application number
FR7912735A
Other languages
English (en)
Other versions
FR2426361B1 (fr
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2426361A1 publication Critical patent/FR2426361A1/fr
Application granted granted Critical
Publication of FR2426361B1 publication Critical patent/FR2426361B1/fr
Granted legal-status Critical Current

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
    • G08B13/2414—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V15/00—Tags attached to, or associated with, an object, in order to enable detection of the object
    • 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
    • G08B13/2405—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
    • G08B13/2422—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 acoustic or microwave 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
    • G08B13/2431—Tag circuit details
    • 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
    • G08B13/2477—Antenna or antenna activator circuit

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)
  • Acoustics & Sound (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

Ce système comporte un circuit de réponse qui est habituellement logé dans une étiquette, et qui émet un signal de réponse en réaction à un signal d'interrogation. L'invention est basée sur le principe d'une boucle fermée dans laquelle un signal présentant une première fréquence est produit et est utilisé (multiplié par n ou divisé par 1/n) pour l'obtention d'un signal d'interrogation ayant une seconde fréquence. Le circuit de réponse transforme (c'est-à-dire divise par 1/n ou multiplie par n) le signal d'interrogation ayant la seconde fréquence en un signal de réponse ayant la première fréquence qui est émis vers un récepteur; la fréquence du signal de réponse est comparée à la première fréquence initialement produite et de là il est possible d'élaborer un signal d'alarme ou de détection. Application : protection de marchandises.
FR7912735A 1978-05-19 1979-05-18 Systeme de detection electromagnetique d'etiquettes fixees notamment sur des marchandises Granted FR2426361A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB20705/78A GB1599120A (en) 1978-05-19 1978-05-19 Detection system

Publications (2)

Publication Number Publication Date
FR2426361A1 true FR2426361A1 (fr) 1979-12-14
FR2426361B1 FR2426361B1 (fr) 1984-12-14

Family

ID=10150316

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7912735A Granted FR2426361A1 (fr) 1978-05-19 1979-05-18 Systeme de detection electromagnetique d'etiquettes fixees notamment sur des marchandises

Country Status (10)

Country Link
US (1) US4274089A (fr)
JP (1) JPS554588A (fr)
AU (1) AU524814B2 (fr)
DE (1) DE2920263A1 (fr)
DK (1) DK202079A (fr)
FR (1) FR2426361A1 (fr)
GB (1) GB1599120A (fr)
IT (1) IT1120125B (fr)
NL (1) NL7903841A (fr)
NZ (1) NZ190468A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2547422A1 (fr) * 1983-06-08 1984-12-14 Espace Etiquette destinee a etre associee a un produit ou article pour permettre d'en controler la presence
EP0176090A2 (fr) * 1984-09-28 1986-04-02 Inga Abel Dispositif pour la surveillance de personnes à l'intérieur d'établissements ouverts ou semi-ouverts et bracelet utilisable avec un tel dispositif

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3277944D1 (en) * 1981-09-07 1988-02-11 Longines Montres Comp D System for the identification and the determination of the passing moment of a plurality of moving objects at a predetermined point of their travel path
DE3242551C2 (de) * 1981-11-17 1984-05-17 Götting KG, 3161 Röddensen Anordnung zum Identifizieren eines Objektes
NL8200138A (nl) * 1982-01-14 1983-08-01 Nedap Nv Detectiestelsel.
NL8204802A (nl) * 1982-12-10 1984-07-02 Nedap Nv Detectieplaatje met niet-lineair circuit voor een detectiestelsel.
EP0147099B1 (fr) * 1983-12-06 1992-06-17 Mars Incorporated Jetons et dispositifs pour leur manipulation
US4673932A (en) * 1983-12-29 1987-06-16 Revlon, Inc. Rapid inventory data acquistion system
US4565996A (en) * 1984-02-06 1986-01-21 Mrs. Lawrence Israel Range limited coherent frequency doppler surveillance system
US4595915A (en) * 1984-02-06 1986-06-17 Mrs. Lawrence Israel Electronic surveillance system employing the doppler effect
GB2180123B (en) * 1984-12-21 1989-01-18 Senezco Limited Transponder systems
JPS6267484A (ja) * 1985-09-20 1987-03-27 Asano Yukihiko 金属選択検知方法及び装置
US4684929A (en) * 1985-10-17 1987-08-04 Ball Corporation Microwave/seismic security system
US4670740A (en) * 1985-11-04 1987-06-02 Security Tag Systems, Inc. Portable, batteryless, frequency divider consisting of inductor and diode
US4798175A (en) * 1986-10-09 1989-01-17 Alfa-Laval Agri, Inc. Electronic identification system
DK0454021T3 (da) * 1990-04-25 1997-06-16 Actron Entwicklungs Ag Fremgangsmåde til deaktivering af en resonansetiket og kredsløb til gennemførelse af fremgangsmåden
FR2668613A1 (fr) * 1990-10-29 1992-04-30 Msei Systeme de detection et d'identification d'objets ou de personnes.
US5241298A (en) * 1992-03-18 1993-08-31 Security Tag Systems, Inc. Electrically-and-magnetically-coupled, batteryless, portable, frequency divider
US5227798A (en) * 1992-06-24 1993-07-13 The United States Of America As Represented By The Secretary Of The Air Force Passive transmitting sensor
US5241923A (en) * 1992-07-23 1993-09-07 Pole/Zero Corporation Transponder control of animal whereabouts
EP0723692A4 (fr) * 1993-10-05 1997-05-28 Pac Scan Inc Dispositif d'information et de prevention des vols a l'etalage
US5574665A (en) * 1994-04-29 1996-11-12 International Business Machines Corporation Receiver apparatus and method for frequency tagging
JPH0844833A (ja) * 1994-08-03 1996-02-16 Mitsubishi Denki Semiconductor Software Kk 非接触ｉｃカード用リーダライタ及び非接触ｉｃカード用リーダライタシステム
GB2322048B (en) * 1995-04-04 1999-11-10 Flying Null Ltd Apparatus for interrogating magnetic tags
EP0839330B1 (fr) 1995-07-17 2002-07-24 Flying Null Limited Perfectionnement relatifs a des marqueurs ou etiquettes magnetiques
SE513690C2 (sv) * 1995-08-16 2000-10-23 Alfa Laval Agri Ab Antennsystem med drivkretsar för transponder
CA2183697A1 (fr) * 1995-08-23 1997-02-24 David P. Klaehn Appareil de surveillance electronique d'articles et methode d'utilisation
GB2305075A (en) * 1995-09-05 1997-03-26 Ibm Radio Frequency Tag for Electronic Apparatus
FR2739587B1 (fr) * 1995-10-09 1997-11-07 Bourgogne Grasset Jeton de jeu
EP0798681A1 (fr) * 1996-03-29 1997-10-01 Sensormatic Electronics Corporation Signal d'interrogation d'impulsion dans un système de surveillance d'articles fréquences harmoniques
US6064308A (en) * 1996-10-25 2000-05-16 Pole/Zero Corporation RF signaling system and system for controlling the whereabouts of animals using same
US6446049B1 (en) 1996-10-25 2002-09-03 Pole/Zero Corporation Method and apparatus for transmitting a digital information signal and vending system incorporating same
US5942977A (en) * 1997-08-13 1999-08-24 Ludwig Kipp Radio transponder
US6166643A (en) * 1997-10-23 2000-12-26 Janning; Joseph J. Method and apparatus for controlling the whereabouts of an animal
GB9806836D0 (en) * 1998-03-30 1998-05-27 Innovision Research And Techno Data communication apparatus
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
US6624752B2 (en) 1999-11-15 2003-09-23 Bluetags A/S Object detection system
WO2001037004A1 (fr) 1999-11-15 2001-05-25 Bluetags A/S Systeme de detection d'un objet
FR2805067B1 (fr) 2000-02-15 2003-09-12 Bourgogne Grasset Jeton a puce electronique et procedes de fabrication d'un tel jeton
GB0221887D0 (en) * 2002-09-20 2002-10-30 Shearwell Data Ltd Detection and identification of animals
US7283053B2 (en) * 2003-01-27 2007-10-16 University Of Pittsburgh - Of The Commonwealth System Of Higher Education RFID radio frequency identification or property monitoring method and associated apparatus
FR2854972B1 (fr) 2003-05-12 2005-07-15 Bourgogne Grasset Poste de lecture et/ou d'ecriture pour jetons de jeu electroniques
US7164358B2 (en) * 2004-02-17 2007-01-16 Sensormatic Electronics Corporation Frequency divider with variable capacitance
JP4209821B2 (ja) * 2004-07-06 2009-01-14 アルインコ株式会社 無線通報装置
PT1766589E (pt) 2005-04-07 2013-08-23 Gaming Partners Int Processo de gestão de uma pluralidade de leitores de fichas incorporando um microprocessador electrónico e equipamento de implementação do dito processo
FR2888372B1 (fr) 2005-07-08 2007-10-12 Caming Partners Internationale Jeton a puce electronique et son procede de fabrication
CA2553949C (fr) 2005-11-09 2016-02-16 Pierre Chapet Jeton a insert a puce electronique
EP2165293B1 (fr) 2007-05-25 2012-11-07 Gaming Partners International Jeton à dispositif électronique
GB2461126B (en) 2008-06-25 2010-09-29 Shearwell Data Ltd Antenna system
JP2010021684A (ja) * 2008-07-09 2010-01-28 Panasonic Corp Ｒｆｉｄシステム、ｒｆｉｄリーダライタ、ｒｆｉｄタグおよびｒｆｉｄ通信方法

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GB1187130A (en) * 1967-12-09 1970-04-08 Plessey Co Ltd Improvements in or relating to Vehicle Identification Systems.
US3798642A (en) * 1972-09-27 1974-03-19 Microlab Fxr Recognition system
US4068232A (en) * 1976-02-12 1978-01-10 Fairchild Industries, Inc. Passive encoding microwave transponder

Family Cites Families (1)

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US3983552A (en) * 1975-01-14 1976-09-28 American District Telegraph Company Pilferage detection systems

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1187130A (en) * 1967-12-09 1970-04-08 Plessey Co Ltd Improvements in or relating to Vehicle Identification Systems.
US3798642A (en) * 1972-09-27 1974-03-19 Microlab Fxr Recognition system
US4068232A (en) * 1976-02-12 1978-01-10 Fairchild Industries, Inc. Passive encoding microwave transponder

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2547422A1 (fr) * 1983-06-08 1984-12-14 Espace Etiquette destinee a etre associee a un produit ou article pour permettre d'en controler la presence
WO1984004987A1 (fr) * 1983-06-08 1984-12-20 Activite Promotion Etud Servic Etiquette destinee a etre associee a un produit ou article pour permettre d'en controler la presence
EP0176090A2 (fr) * 1984-09-28 1986-04-02 Inga Abel Dispositif pour la surveillance de personnes à l'intérieur d'établissements ouverts ou semi-ouverts et bracelet utilisable avec un tel dispositif
FR2571152A1 (fr) * 1984-09-28 1986-04-04 Abel Inga Installation pour surveiller des personnes a l'interieur d'etablissements ouverts et semi-ouverts ainsi que bracelet utilise avec cette installation
EP0176090A3 (fr) * 1984-09-28 1988-06-15 Inga Abel Dispositif pour la surveillance de personnes à l'intérieur d'établissements ouverts ou semi-ouverts et bracelet utilisable avec un tel dispositif

Also Published As

Publication number Publication date
IT1120125B (it) 1986-03-19
DE2920263A1 (de) 1979-11-29
JPS554588A (en) 1980-01-14
AU524814B2 (en) 1982-10-07
IT7922706A0 (it) 1979-05-16
DE2920263C2 (fr) 1988-09-15
DK202079A (da) 1979-11-20
AU4709279A (en) 1979-11-22
FR2426361B1 (fr) 1984-12-14
GB1599120A (en) 1981-09-30
US4274089A (en) 1981-06-16
NL7903841A (nl) 1979-11-21
JPS6245504B2 (fr) 1987-09-28
NZ190468A (en) 1982-08-17

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Legal Events

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ST Notification of lapse