FR2553523B1 - Alarme inductive de protection contre le vol par detection de circuits resonnants - Google Patents

Alarme inductive de protection contre le vol par detection de circuits resonnants

Info

Publication number
FR2553523B1
FR2553523B1 FR8316593A FR8316593A FR2553523B1 FR 2553523 B1 FR2553523 B1 FR 2553523B1 FR 8316593 A FR8316593 A FR 8316593A FR 8316593 A FR8316593 A FR 8316593A FR 2553523 B1 FR2553523 B1 FR 2553523B1
Authority
FR
France
Prior art keywords
detection
resonant circuits
theft protection
protection alarm
inductive theft
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
Application number
FR8316593A
Other languages
English (en)
Other versions
FR2553523A1 (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.)
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 FR8316593A priority Critical patent/FR2553523B1/fr
Publication of FR2553523A1 publication Critical patent/FR2553523A1/fr
Application granted granted Critical
Publication of FR2553523B1 publication Critical patent/FR2553523B1/fr
Expired 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
    • G08B13/2405—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 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
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • 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
    • G08B13/2428—Tag details
    • G08B13/2437—Tag layered structure, processes for making layered tags
    • G08B13/2442—Tag materials and material properties thereof, e.g. magnetic material details
    • 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
    • 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
    • G08B13/2488—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)
FR8316593A 1983-10-17 1983-10-17 Alarme inductive de protection contre le vol par detection de circuits resonnants Expired FR2553523B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8316593A FR2553523B1 (fr) 1983-10-17 1983-10-17 Alarme inductive de protection contre le vol par detection de circuits resonnants

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8316593A FR2553523B1 (fr) 1983-10-17 1983-10-17 Alarme inductive de protection contre le vol par detection de circuits resonnants

Publications (2)

Publication Number Publication Date
FR2553523A1 FR2553523A1 (fr) 1985-04-19
FR2553523B1 true FR2553523B1 (fr) 1986-06-13

Family

ID=9293273

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8316593A Expired FR2553523B1 (fr) 1983-10-17 1983-10-17 Alarme inductive de protection contre le vol par detection de circuits resonnants

Country Status (1)

Country Link
FR (1) FR2553523B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107636743A (zh) * 2015-04-02 2018-01-26 Ntl有限责任公司 Rfid和/或rfid/em防盗射频检测装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK161227C (da) * 1986-01-27 1991-11-25 Antonson Security Denmark Aps Apparat til synkronisering af tyveridetektorer
FR2623914A1 (fr) * 1987-11-26 1989-06-02 Ribiere Guy Dispositif electronique de detection d'un marqueur de produits, a la sortie d'un magasin
NL8900658A (nl) * 1989-03-17 1990-10-16 Nedap Nv Hoogfrequent winkeldiefstaldetectiesysteem volgens het transmissieprincipe.
EP0419273B1 (fr) * 1989-09-21 1994-11-30 Sarasota Automation Limited Détecteur de véhicule à boucle inductrice
NL9001033A (nl) * 1990-05-01 1991-12-02 Nedap Nv Winkeldiefstaldetectiesysteem met gedeeltelijk afgeschermde antennes.
DE19858714A1 (de) * 1998-12-18 2000-06-21 Ebinger Klaus Ing Fa Torsonde
ATE329279T1 (de) * 1998-12-18 2006-06-15 Ebinger Klaus Ing Fa Anordnung zum erzeugen und/oder empfangen eines magnetfeldes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095214A (en) * 1976-06-17 1978-06-13 Knogo Corporation Electronic monitoring system and responder device
NL7708012A (nl) * 1977-07-19 1979-01-23 Nedap Nv Detectiestelsel.
US4135184A (en) * 1977-08-31 1979-01-16 Knogo Corporation Electronic theft detection system for monitoring wide passageways
US4243980A (en) * 1978-02-17 1981-01-06 Lichtblau G J Antenna system for electronic security installations

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107636743A (zh) * 2015-04-02 2018-01-26 Ntl有限责任公司 Rfid和/或rfid/em防盗射频检测装置
CN107636743B (zh) * 2015-04-02 2019-08-06 Ntl有限责任公司 Rfid和/或rfid/em防盗射频检测装置

Also Published As

Publication number Publication date
FR2553523A1 (fr) 1985-04-19

Similar Documents

Publication Publication Date Title
IT8148806A0 (it) Sistema per la rivelazione elettronica di furti
DE69315731D1 (de) Signalerkennungsschaltung
FR2553523B1 (fr) Alarme inductive de protection contre le vol par detection de circuits resonnants
BR8500887A (pt) Aparelho eletronico de deteccao de furtos
DK100784A (da) Tyverisikret lukke
KR880017282U (ko) 서류 가방용 도난 경보장치
KR920003191U (ko) 도난경보의 오동작 방지회로
KR840002403U (ko) 캐비닛의 도난방지 경보장치
IT8448298A0 (it) Apparecchio di rivelazione di intrusione
KR880016712U (ko) 카스트레오 도난 경보회로
ES491295A0 (es) Sistema de alarma antirrobo electronico
IT8360912V0 (it) Dispositivo di allarme antifurto
UA542S (uk) Сигналізатор для дистанційного виявлення викраденних автомобілів
IT8553508V0 (it) Antifurto elettronico per autoveicoli
IT8211307V0 (it) Antifurto meccanico per autoveicoli
IT8253466V0 (it) Antifurto meccanico per autoveicoli
FI375U1 (fi) Med elektroniskt larm foersett foervaringsetui foer plastkort
IT1120175B (it) Antifurto elettronico per locali
KR900019452U (ko) 주파수 검출 회로
BR6000560U (pt) Alarme anti-furto
KR950006169U (ko) 자동차의 도난경보 회로
KR850010377U (ko) 도난 경보장치의 점검회로
IT8460924U1 (it) Dispositivo di allarme antifurto
KR940013220U (ko) 중장비의 온도검출회로
BR6401545U (pt) Alarme anti-furto

Legal Events

Date Code Title Description
ST Notification of lapse