BR9003559A - Sistema eletronico de vigilancia de artigos e metodo para uso com o mesmo - Google Patents

Sistema eletronico de vigilancia de artigos e metodo para uso com o mesmo

Info

Publication number
BR9003559A
BR9003559A BR909003559A BR9003559A BR9003559A BR 9003559 A BR9003559 A BR 9003559A BR 909003559 A BR909003559 A BR 909003559A BR 9003559 A BR9003559 A BR 9003559A BR 9003559 A BR9003559 A BR 9003559A
Authority
BR
Brazil
Prior art keywords
articles
same
surveillance system
electronic surveillance
electronic
Prior art date
Application number
BR909003559A
Other languages
English (en)
Inventor
Christopher B Plonsky
Harry E Watkins
Marco A Paez
Original Assignee
Sensormatic Electronics Corp
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 Sensormatic Electronics Corp filed Critical Sensormatic Electronics Corp
Publication of BR9003559A publication Critical patent/BR9003559A/pt

Links

Classifications

    • 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
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/20—Calibration, including self-calibrating arrangements
    • G08B29/24—Self-calibration, e.g. compensating for environmental drift or ageing of components
    • G08B29/28—Self-calibration, e.g. compensating for environmental drift or ageing of components by changing the gain of an amplifier
    • 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
    • G08B13/2477—Antenna or antenna activator circuit
    • 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
    • G08B13/2482—EAS methods, e.g. description of flow chart of the detection procedure

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Transceivers (AREA)
BR909003559A 1989-07-24 1990-07-23 Sistema eletronico de vigilancia de artigos e metodo para uso com o mesmo BR9003559A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/384,556 US5049857A (en) 1989-07-24 1989-07-24 Multi-mode electronic article surveillance system

Publications (1)

Publication Number Publication Date
BR9003559A true BR9003559A (pt) 1991-08-27

Family

ID=23517795

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909003559A BR9003559A (pt) 1989-07-24 1990-07-23 Sistema eletronico de vigilancia de artigos e metodo para uso com o mesmo

Country Status (9)

Country Link
US (1) US5049857A (pt)
EP (1) EP0410245B1 (pt)
JP (1) JP2930372B2 (pt)
AR (1) AR243292A1 (pt)
AU (1) AU638241B2 (pt)
BR (1) BR9003559A (pt)
CA (1) CA2013734C (pt)
DE (1) DE69030219T2 (pt)
ES (1) ES2100857T3 (pt)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5387900A (en) * 1992-11-19 1995-02-07 Sensormatic Electronics Corporation EAS system with improved processing of antenna signals
SE9401450L (sv) * 1994-04-26 1995-10-27 Rso Corp Sätt vid detektering av magnetiska element
US5406262A (en) * 1993-06-16 1995-04-11 Security Tag Systems, Inc. Adjusting magnetic bias field intensity in EAS presence detection system to enhance detection
US5430441A (en) * 1993-10-12 1995-07-04 Motorola, Inc. Transponding tag and method
SE9401436L (sv) * 1994-04-26 1995-10-27 Rso Corp Amorfa band med förbättrade egenskaper
SE9401449L (sv) * 1994-04-26 1995-10-27 Rso Corp Sätt och anordning vid kodning av elektroniska etiketter
SE9401448L (sv) * 1994-04-26 1995-10-27 Rso Corp Sätt och anordning vid excitering och detektering av magnetiska element
DE4436975B4 (de) * 1994-10-15 2007-10-25 Meto International Gmbh Verfahren zur elektronischen Artikelüberwachung
US5606322A (en) * 1994-10-24 1997-02-25 Motorola, Inc. Divergent code generator and method
SE503526C2 (sv) * 1994-10-26 1996-07-01 Rso Corp Sätt för detektering av etiketter med amorfa magnetoelastiska band
US5654688A (en) * 1995-04-14 1997-08-05 Omega Research And Development, Inc. Vehicle security system having enhanced remote transmitter security
JP3966556B2 (ja) * 1995-05-30 2007-08-29 センサーマティック・エレクトロニクス・コーポレーション 改良された呼びかけ磁界分布を提供するためのｅａｓ装置アンテナ構造
US5600304A (en) * 1995-11-02 1997-02-04 Sensormatic Electronics Corporation EAS system with common control station for different personality local stations
US5699046A (en) * 1995-11-02 1997-12-16 Sensormatic Electronics Corporation EAS system employing central and local stations with shared functions
US5990791A (en) * 1997-10-22 1999-11-23 William B. Spargur Anti-theft detection system
US6188310B1 (en) 1997-11-28 2001-02-13 Sensormatic Electronics Corporation Natural frequency measurement of magnetic markers
US6118378A (en) * 1997-11-28 2000-09-12 Sensormatic Electronics Corporation Pulsed magnetic EAS system incorporating single antenna with independent phasing
US5909178A (en) * 1997-11-28 1999-06-01 Sensormatic Electronics Corporation Signal detection in high noise environments
US5969659A (en) * 1997-11-28 1999-10-19 Sensormatic Electronics Corporation Analog to digital converters with extended dynamic range
US5995002A (en) * 1997-11-28 1999-11-30 Sensormatic Electronics Corporation Line synchronized delays for multiple pulsed EAS systems
US6307468B1 (en) * 1999-07-20 2001-10-23 Avid Identification Systems, Inc. Impedance matching network and multidimensional electromagnetic field coil for a transponder interrogator
US6906628B2 (en) * 2001-03-13 2005-06-14 Sensormatic Electronics Corporation Varying field electronic tag detection system
US6696951B2 (en) * 2001-06-13 2004-02-24 3M Innovative Properties Company Field creation in a magnetic electronic article surveillance system
SE0303161L (sv) * 2003-11-26 2004-11-23 Gateway Security Ab Artikelövervakningssystem, samt sätt att detektera om ett larmtillstånd föreligger
US8933790B2 (en) * 2007-06-08 2015-01-13 Checkpoint Systems, Inc. Phase coupler for rotating fields
AU2008261850A1 (en) * 2007-06-08 2008-12-18 Checkpoint Systems, Inc. Dynamic EAS detection system and method
US7800490B2 (en) * 2008-01-09 2010-09-21 Sensormatic Electronics, LLC Electronic article surveillance system neural network minimizing false alarms and failures to deactivate
EP2669999B1 (en) * 2012-05-31 2018-11-14 Nxp B.V. Adjustable antenna
US9595177B2 (en) 2014-12-14 2017-03-14 Wg Security Products, Inc. Noise compensating EAS antenna system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859624A (en) * 1972-09-05 1975-01-07 Thomas A Kriofsky Inductively coupled transmitter-responder arrangement
US3990065A (en) * 1975-02-20 1976-11-02 The Magnavox Company Theft detection system
US4634975A (en) * 1984-09-17 1987-01-06 Progressive Dynamics, Inc. Method and apparatus for producing electromagnetic surveillance fields
US4658241A (en) * 1985-09-17 1987-04-14 Allied Corporation Surveillance system including transmitter and receiver synchronized by power line zero crossings
DK161227C (da) * 1986-01-27 1991-11-25 Antonson Security Denmark Aps Apparat til synkronisering af tyveridetektorer
US4779076A (en) * 1987-05-20 1988-10-18 Controlled Information Corp. Deactivatable coded marker and magnetic article surveillance system
US4791412A (en) * 1988-01-28 1988-12-13 Controlled Information Corporation Magnetic article surveillance system and method

Also Published As

Publication number Publication date
CA2013734C (en) 1998-08-18
EP0410245A3 (en) 1992-01-29
ES2100857T3 (es) 1997-07-01
DE69030219T2 (de) 1997-10-16
EP0410245A2 (en) 1991-01-30
EP0410245B1 (en) 1997-03-19
DE69030219D1 (de) 1997-04-24
AR243292A1 (es) 1993-07-30
JP2930372B2 (ja) 1999-08-03
JPH0358300A (ja) 1991-03-13
AU5291690A (en) 1991-01-24
US5049857A (en) 1991-09-17
AU638241B2 (en) 1993-06-24
CA2013734A1 (en) 1991-01-24

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FB19 Grant procedure suspended (art. 19)
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
HO Change of classification

Free format text: G08B 13/24

FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 23/07/2010