CA2005068A1 - Dispositif d'inviolabilite - Google Patents

Dispositif d'inviolabilite

Info

Publication number
CA2005068A1
CA2005068A1 CA 2005068 CA2005068A CA2005068A1 CA 2005068 A1 CA2005068 A1 CA 2005068A1 CA 2005068 CA2005068 CA 2005068 CA 2005068 A CA2005068 A CA 2005068A CA 2005068 A1 CA2005068 A1 CA 2005068A1
Authority
CA
Canada
Prior art keywords
tamper device
timer means
sensor beam
article
timer
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 2005068
Other languages
English (en)
Inventor
Raymond R. Higgs
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.)
ID Systems International BV
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
Publication of CA2005068A1 publication Critical patent/CA2005068A1/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
    • 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 OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/046—Monitoring of the detection circuits prevention of tampering with detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • Burglar Alarm Systems (AREA)
CA 2005068 1988-12-10 1989-12-11 Dispositif d'inviolabilite Abandoned CA2005068A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8828896 1988-12-10
GB888828896A GB8828896D0 (en) 1988-12-10 1988-12-10 Anti-tamper device

Publications (1)

Publication Number Publication Date
CA2005068A1 true CA2005068A1 (fr) 1990-06-10

Family

ID=10648306

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2005068 Abandoned CA2005068A1 (fr) 1988-12-10 1989-12-11 Dispositif d'inviolabilite

Country Status (6)

Country Link
EP (1) EP0373716A3 (fr)
CA (1) CA2005068A1 (fr)
FI (1) FI895870A0 (fr)
GB (2) GB8828896D0 (fr)
NO (1) NO894926L (fr)
PT (1) PT92517A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2308482B (en) * 1995-12-20 2000-03-29 Pyronix Ltd Event detection device with fault monitoring capability
GB2422970B (en) * 2005-02-02 2008-09-10 Pyronix Ltd Detection apparatus
US20080278320A1 (en) 2007-05-07 2008-11-13 Sensormatic Electronics Corporation Method and system for reduction of electronic article surveillance system false alarms

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2516777A1 (de) * 1975-04-16 1976-10-28 Elmar Ing Dorner Einrichtung zum ueberwachen der bergstation eines skiliftes
US4272762A (en) * 1979-09-17 1981-06-09 Gte Laboratories Incorporated Exit-entry sensing apparatus
FR2593310B1 (fr) * 1986-01-22 1988-07-15 Stratel Dispositif anti-effraction pour installations de protection d'enceintes fermees comportant un boitier de telecommande accessible de l'exterieur
NL8600738A (nl) * 1986-03-24 1987-10-16 Nedap Nv Onderdrukking van valse alarmen als gevolg van aanraken.
GB8708167D0 (en) * 1987-04-06 1987-05-13 R V Ltd Detection apparatus

Also Published As

Publication number Publication date
NO894926L (no) 1990-06-11
GB8915241D0 (en) 1989-08-23
EP0373716A2 (fr) 1990-06-20
FI895870A0 (fi) 1989-12-08
PT92517A (pt) 1990-06-29
GB8828896D0 (en) 1989-01-18
NO894926D0 (no) 1989-12-08
EP0373716A3 (fr) 1991-06-19

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Legal Events

Date Code Title Description
FZDE Dead