CA2347333A1 - Systeme antivol a l'etalage electromagnetique - Google Patents

Systeme antivol a l'etalage electromagnetique Download PDF

Info

Publication number
CA2347333A1
CA2347333A1 CA 2347333 CA2347333A CA2347333A1 CA 2347333 A1 CA2347333 A1 CA 2347333A1 CA 2347333 CA2347333 CA 2347333 CA 2347333 A CA2347333 A CA 2347333A CA 2347333 A1 CA2347333 A1 CA 2347333A1
Authority
CA
Canada
Prior art keywords
generated
oscillating magnetic
signals
circuitry
surveillance zone
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.)
Abandoned
Application number
CA 2347333
Other languages
English (en)
Inventor
Jean Courtot
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA 2347333 priority Critical patent/CA2347333A1/fr
Publication of CA2347333A1 publication Critical patent/CA2347333A1/fr
Abandoned 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • Burglar Alarm Systems (AREA)
CA 2347333 2001-05-11 2001-05-11 Systeme antivol a l'etalage electromagnetique Abandoned CA2347333A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2347333 CA2347333A1 (fr) 2001-05-11 2001-05-11 Systeme antivol a l'etalage electromagnetique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2347333 CA2347333A1 (fr) 2001-05-11 2001-05-11 Systeme antivol a l'etalage electromagnetique

Publications (1)

Publication Number Publication Date
CA2347333A1 true CA2347333A1 (fr) 2002-11-11

Family

ID=4169022

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2347333 Abandoned CA2347333A1 (fr) 2001-05-11 2001-05-11 Systeme antivol a l'etalage electromagnetique

Country Status (1)

Country Link
CA (1) CA2347333A1 (fr)

Similar Documents

Publication Publication Date Title
US4663625A (en) Passive tag identification system and method
US4751500A (en) Detection of unauthorized removal of theft detection target devices
US3711848A (en) Method of and apparatus for the detection of stolen articles
US7075440B2 (en) Miniature magnetomechanical marker for electronic article surveillance system
AU710093B2 (en) Pulsed-signal magnetomechanical electronic article surveillance system with improved damping of transmitting antenna
US5245317A (en) Article theft detection apparatus
US8421628B2 (en) Asset protection system
US8451128B2 (en) Asset protection system
US3609741A (en) Prevention of unauthorized movement of articles between predetermined areas
CA1234891A (fr) Vignette pour systeme de securite
EP2543025B1 (fr) Procédé et système pour atténuer l'effet d'interférence affectant les systèmes intégrés de détection de métaux/surveillance électronique d'articles
US4899134A (en) Newborn anti-theft device
US6011474A (en) Multiple-use deactivation device for electronic article surveillance markers
KR830008260A (ko) 도난방지 시스템(anti-shoplifting system)의 개량방법 및 장치
EP0352936A3 (en) Deactivatable frequency-dividing-transponder tag
CA2210635A1 (fr) Article du commerce muni de mouchard de surveillance electronique d'article ou de logotype de surveillance electronique d'article
AU2008306441B2 (en) Surveillance device
US6573835B2 (en) Child monitoring device
US5376923A (en) On the counter deactivator
EP0736850B1 (fr) Procédé pour prévenir le vol à l'étalage et système de détection électronique de vol
CA2347333A1 (fr) Systeme antivol a l'etalage electromagnetique
US3896372A (en) Magnetic sensing detection system and method
CA2415875A1 (fr) Systeme et procede electronique magnetomecanique de surveillance d'articles utilisant la detection de bande laterale
US20220049539A1 (en) Anti-theft gate system
EP1612753A2 (fr) Composant contenant un dispositif anti-vol

Legal Events

Date Code Title Description
FZDE Dead