BR9104754A - Sistema de vigilancia eletronica de artigos - Google Patents

Sistema de vigilancia eletronica de artigos

Info

Publication number
BR9104754A
BR9104754A BR919104754A BR9104754A BR9104754A BR 9104754 A BR9104754 A BR 9104754A BR 919104754 A BR919104754 A BR 919104754A BR 9104754 A BR9104754 A BR 9104754A BR 9104754 A BR9104754 A BR 9104754A
Authority
BR
Brazil
Prior art keywords
items
surveillance system
electronic surveillance
electronic
surveillance
Prior art date
Application number
BR919104754A
Other languages
English (en)
Inventor
Dafydd Geraint Davies
Leif Asbrink
Original Assignee
Scient Generics Ltd
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 Scient Generics Ltd filed Critical Scient Generics Ltd
Publication of BR9104754A publication Critical patent/BR9104754A/pt

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
    • G08B13/2408—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 ferromagnetic 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
    • G08B13/2474—Antenna or antenna activator geometry, arrangement or layout

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)
  • Geophysics And Detection Of Objects (AREA)
  • Alarm Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
BR919104754A 1990-02-28 1991-02-28 Sistema de vigilancia eletronica de artigos BR9104754A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909004431A GB9004431D0 (en) 1990-02-28 1990-02-28 Detection system for security systems
PCT/GB1991/000307 WO1991013413A1 (en) 1990-02-28 1991-02-28 Detection apparatus for security systems

Publications (1)

Publication Number Publication Date
BR9104754A true BR9104754A (pt) 1992-03-24

Family

ID=10671715

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919104754A BR9104754A (pt) 1990-02-28 1991-02-28 Sistema de vigilancia eletronica de artigos

Country Status (12)

Country Link
US (1) US5345222A (pt)
EP (1) EP0470237A1 (pt)
JP (1) JPH05504642A (pt)
AU (1) AU640464B2 (pt)
BR (1) BR9104754A (pt)
CA (1) CA2056446A1 (pt)
FI (1) FI915047A0 (pt)
GB (1) GB9004431D0 (pt)
HU (1) HUT61414A (pt)
NO (1) NO914195L (pt)
PL (1) PL166486B1 (pt)
WO (1) WO1991013413A1 (pt)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH683385A5 (de) * 1991-09-27 1994-02-28 Scanmatic Security Systems Ag Hochfrequenz-Waren-Sicherungsanlage.
ES2122209T3 (es) * 1993-07-13 1998-12-16 Actron Entwicklungs Ag Dispositivo de antena.
US5512878A (en) * 1994-10-06 1996-04-30 Sensormatic Electronics Corporation Pulsed electronic article surveillance systems
AU7478996A (en) * 1995-11-02 1997-05-22 Sensormatic Electronics Corporation Improved antenna shield and antenna assembly
US6060988A (en) * 1997-02-03 2000-05-09 Sensormatic Electronics Corporation EAS marker deactivation device having core-wound energized coils
JP3481575B2 (ja) * 2000-09-28 2003-12-22 寛児 川上 アンテナ
US6724311B1 (en) 2001-11-09 2004-04-20 B&G Plastics, Inc. Anti-theft hang tag
US7978078B2 (en) * 2001-12-21 2011-07-12 Sensormatic Electronics, LLC Magnetic core transceiver for electronic article surveillance marker detection
US20040069847A1 (en) * 2002-10-15 2004-04-15 Chester Kolton Electronic article surveillance marker assembly
US7091858B2 (en) * 2003-01-14 2006-08-15 Sensormatic Electronics Corporation Wide exit electronic article surveillance antenna system
US7420463B2 (en) * 2003-01-14 2008-09-02 Sensormatic Electronics Corporation Wide exit electronic article surveillance antenna system
JP4168827B2 (ja) * 2003-05-13 2008-10-22 ブラザー工業株式会社 インクジェット記録用水性インクセット
US20060132312A1 (en) * 2004-12-02 2006-06-22 Tavormina Joseph J Portal antenna for radio frequency identification
EP1750147B1 (en) * 2005-08-04 2014-04-09 Alessandro Manneschi Metal detector
US20130307533A1 (en) * 2012-05-18 2013-11-21 Metrasens Limited Security system and method of detecting contraband items
GB201219097D0 (en) 2012-10-24 2012-12-05 Metrasens Ltd Apparatus for detecting ferromagnetic objects at a protected doorway assembly
US9424724B2 (en) * 2013-08-02 2016-08-23 Bibliotheca Rfid Library Systems Ag Single turn magnetic drive loop for electronic article surveillance
CA2941907C (en) * 2014-03-24 2021-08-24 Mine Site Technologies Pty Ltd An inductor, a related method of manufacture, a transmitter including said inductor, and a related proximity detection system
US10276008B2 (en) 2014-12-18 2019-04-30 Metrasens Limited Security system and method of detecting contraband items
CN108292552B (zh) * 2015-10-26 2020-11-06 鲲腾科技有限公司 具有自闭合磁路的磁结构
GB201602652D0 (en) 2016-02-15 2016-03-30 Metrasens Ltd Improvements to magnetic detectors

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665449A (en) * 1969-07-11 1972-05-23 Minnesota Mining & Mfg Method and apparatus for detecting at a distance the status and identity of objects
US4166264A (en) * 1977-12-27 1979-08-28 Honeywell Inc. Intrusion detection transducers
US4251808A (en) * 1979-11-15 1981-02-17 Lichtblau G J Shielded balanced loop antennas for electronic security systems
US4623877A (en) * 1983-06-30 1986-11-18 Knogo Corporation Method and apparatus for detection of targets in an interrogation zone
US4509039A (en) * 1983-07-05 1985-04-02 Minnesota Mining And Manufacturing Company Shielded, closely spaced transmit-receiver antennas for electronic article surveillance system
US4658263A (en) * 1985-02-11 1987-04-14 Allied Corporation Dual antenna for magnetic markers
US4769631A (en) * 1986-06-30 1988-09-06 Sensormatic Electronics Corporation Method, system and apparatus for magnetic surveillance of articles
DE3820353A1 (de) * 1988-06-15 1989-12-21 Nicolay Dieter Diebstahlwarneinrichtung
US5121103A (en) * 1988-07-29 1992-06-09 Knogo Corporation Load isolated article surveillance system and antenna assembly
US5061941A (en) * 1990-02-01 1991-10-29 Checkpoint Systems, Inc. Composite antenna for electronic article surveillance systems

Also Published As

Publication number Publication date
GB9004431D0 (en) 1990-04-25
HUT61414A (en) 1992-12-28
US5345222A (en) 1994-09-06
WO1991013413A1 (en) 1991-09-05
CA2056446A1 (en) 1991-08-29
JPH05504642A (ja) 1993-07-15
AU640464B2 (en) 1993-08-26
AU7309391A (en) 1991-09-18
HU913692D0 (en) 1992-08-28
EP0470237A1 (en) 1992-02-12
NO914195L (no) 1991-12-02
PL292557A1 (en) 1992-10-19
PL166486B1 (pl) 1995-05-31
FI915047A0 (fi) 1991-10-25
NO914195D0 (no) 1991-10-25

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FF Decision: intention to grant
KD Notifcation of receipt (letter patent)
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law