EP0388609A3 - Dispositif électronique antivol et procédé de fonctionnement d'un tel dispositif - Google Patents

Dispositif électronique antivol et procédé de fonctionnement d'un tel dispositif Download PDF

Info

Publication number
EP0388609A3
EP0388609A3 EP19900102051 EP90102051A EP0388609A3 EP 0388609 A3 EP0388609 A3 EP 0388609A3 EP 19900102051 EP19900102051 EP 19900102051 EP 90102051 A EP90102051 A EP 90102051A EP 0388609 A3 EP0388609 A3 EP 0388609A3
Authority
EP
European Patent Office
Prior art keywords
antipilferage
electronic
transmitter
signals
recipient
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
EP19900102051
Other languages
German (de)
English (en)
Other versions
EP0388609B1 (fr
EP0388609A2 (fr
Inventor
Markus Martinides
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.)
Actron Entwicklungs AG
Original Assignee
Actron Entwicklungs AG
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 Actron Entwicklungs AG filed Critical Actron Entwicklungs AG
Publication of EP0388609A2 publication Critical patent/EP0388609A2/fr
Publication of EP0388609A3 publication Critical patent/EP0388609A3/fr
Application granted granted Critical
Publication of EP0388609B1 publication Critical patent/EP0388609B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G08B13/2488—Timing issues, e.g. synchronising measures to avoid signal collision, with multiple emitters or a single emitter and receiver

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Burglar Alarm Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
EP19900102051 1989-03-22 1990-02-02 Dispositif électronique antivol Expired - Lifetime EP0388609B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1078/89 1989-03-22
CH107889A CH681051A5 (fr) 1989-03-22 1989-03-22

Publications (3)

Publication Number Publication Date
EP0388609A2 EP0388609A2 (fr) 1990-09-26
EP0388609A3 true EP0388609A3 (fr) 1991-03-20
EP0388609B1 EP0388609B1 (fr) 1997-12-29

Family

ID=4201949

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900102051 Expired - Lifetime EP0388609B1 (fr) 1989-03-22 1990-02-02 Dispositif électronique antivol

Country Status (4)

Country Link
EP (1) EP0388609B1 (fr)
JP (1) JPH02284294A (fr)
CH (1) CH681051A5 (fr)
DE (1) DE59010785D1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3740742A (en) * 1971-05-11 1973-06-19 T Thompson Method and apparatus for actuating an electric circuit
US4215342A (en) * 1978-03-31 1980-07-29 Intex Inc. Merchandise tagging technique
FR2515362A1 (fr) * 1981-10-23 1983-04-29 Knogo Corp Procede et appareil pour deceler le vol, par detection de l'attenuation d'un circuit resonnant
EP0131440A1 (fr) * 1983-07-05 1985-01-16 Minnesota Mining And Manufacturing Company TSF-système électronique de surveillance avec fréquence variable
EP0226402A2 (fr) * 1985-12-06 1987-06-24 Minnesota Mining And Manufacturing Company Système de synchronisation sans fil pour système électronique de surveillance d'article
US4686517A (en) * 1982-07-21 1987-08-11 N.V. Nederlandsche Apparatenfabriek Nedap Field disturbance detection system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3740742A (en) * 1971-05-11 1973-06-19 T Thompson Method and apparatus for actuating an electric circuit
US4215342A (en) * 1978-03-31 1980-07-29 Intex Inc. Merchandise tagging technique
FR2515362A1 (fr) * 1981-10-23 1983-04-29 Knogo Corp Procede et appareil pour deceler le vol, par detection de l'attenuation d'un circuit resonnant
US4686517A (en) * 1982-07-21 1987-08-11 N.V. Nederlandsche Apparatenfabriek Nedap Field disturbance detection system
EP0131440A1 (fr) * 1983-07-05 1985-01-16 Minnesota Mining And Manufacturing Company TSF-système électronique de surveillance avec fréquence variable
EP0226402A2 (fr) * 1985-12-06 1987-06-24 Minnesota Mining And Manufacturing Company Système de synchronisation sans fil pour système électronique de surveillance d'article

Also Published As

Publication number Publication date
CH681051A5 (fr) 1992-12-31
EP0388609B1 (fr) 1997-12-29
JPH02284294A (ja) 1990-11-21
EP0388609A2 (fr) 1990-09-26
DE59010785D1 (de) 1998-02-05

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