BR9303660A - Sistema EAS para detectar etiquetas em uma zona de interrogaçao - Google Patents

Sistema EAS para detectar etiquetas em uma zona de interrogaçao

Info

Publication number
BR9303660A
BR9303660A BR9303660A BR9303660A BR9303660A BR 9303660 A BR9303660 A BR 9303660A BR 9303660 A BR9303660 A BR 9303660A BR 9303660 A BR9303660 A BR 9303660A BR 9303660 A BR9303660 A BR 9303660A
Authority
BR
Brazil
Prior art keywords
interrogation zone
eas system
detect labels
labels
detect
Prior art date
Application number
BR9303660A
Other languages
English (en)
Inventor
Christopher B Plonsky
Ck H Schneider
Stanley A Strzelec
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 BR9303660A publication Critical patent/BR9303660A/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
    • G08B13/2471—Antenna signal processing by receiver or emitter
    • 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
    • G08B13/2488—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)
  • Radar Systems Or Details Thereof (AREA)
  • Burglar Alarm Systems (AREA)
  • Noise Elimination (AREA)
BR9303660A 1992-11-19 1993-08-31 Sistema EAS para detectar etiquetas em uma zona de interrogaçao BR9303660A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/979,612 US5387900A (en) 1992-11-19 1992-11-19 EAS system with improved processing of antenna signals

Publications (1)

Publication Number Publication Date
BR9303660A true BR9303660A (pt) 1994-05-24

Family

ID=25527013

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9303660A BR9303660A (pt) 1992-11-19 1993-08-31 Sistema EAS para detectar etiquetas em uma zona de interrogaçao

Country Status (6)

Country Link
US (1) US5387900A (pt)
EP (1) EP0602316B1 (pt)
JP (1) JP3483275B2 (pt)
BR (1) BR9303660A (pt)
CA (1) CA2101290C (pt)
DE (1) DE69323404T2 (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3100716B2 (ja) * 1991-01-04 2000-10-23 シーエスアイアール 識別装置
NZ314269A (en) * 1992-11-18 1998-01-26 British Tech Group Transponder identification system transmits multiple simultaneous interrogation signals
FR2711440B1 (fr) * 1993-10-18 1996-02-02 France Telecom Dispositif à pureté spectrale pour l'échange d'informations à distance entre un objet portatif et une station.
US5537094A (en) * 1995-01-27 1996-07-16 Sensormatic Electronics Corporation Method and apparatus for detecting an EAS marker using a neural network processing device
ES2284172T3 (es) * 1995-05-30 2007-11-01 Sensormatic Electronics Corporation Configuracion de antenas para un sistema electronico de vigilancia de articulos con distribucion del campo de interrogacion mejorada.
US5748086A (en) * 1995-11-14 1998-05-05 Sensormatic Electronics Corporation Electronic article surveillance system with comb filtering and false alarm suppression
EP0798681A1 (en) * 1996-03-29 1997-10-01 Sensormatic Electronics Corporation Pulsed interrogation signal in harmonic EAS system
US5973597A (en) * 1996-08-27 1999-10-26 Maspro Denkoh, Co., Ltd. Theft checking system
JP3646472B2 (ja) 1997-05-19 2005-05-11 株式会社日立製作所 非接触型ｉｃカードおよび送受信回路
US6188310B1 (en) * 1997-11-28 2001-02-13 Sensormatic Electronics Corporation Natural frequency measurement of magnetic markers
JPH11331125A (ja) * 1997-12-04 1999-11-30 Sanyo Electric Co Ltd 無線受信システム
EP1358646B1 (en) * 2001-02-08 2004-06-30 Sensormatic Electronics Corporation Differencially coherent combining for electronic article surveillance systems
US6937011B2 (en) 2001-12-10 2005-08-30 Rockwell Automation Technologies, Inc. Detector for magnetizable material using amplitude and phase discrimination
US6788049B2 (en) * 2001-12-31 2004-09-07 Rockwell Automation Technologies, Inc. Detector for magnetizable material using amplitude and phase discrimination
US7209039B2 (en) * 2003-05-08 2007-04-24 Illinois Tool Works Inc. Decorative surface covering with embedded RF antenna and RF shield and method for making the same
US7119692B2 (en) * 2003-11-10 2006-10-10 3M Innovative Properties Company System for detecting radio-frequency identification tags
US7372364B2 (en) 2003-11-10 2008-05-13 3M Innovative Properties Company Algorithm for RFID security
US8106773B2 (en) * 2006-07-03 2012-01-31 Siemens Aktiengesellschaft System and method of identifying products enclosed in electrostatic discharge protective packaging
US8311485B2 (en) * 2010-01-13 2012-11-13 Sensormatic Electronics, LLC Method and system for receiver nulling using coherent transmit signals
GB201006907D0 (en) * 2010-04-26 2010-06-09 Cambridge Entpr Ltd RFID TAG interrogation systems

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135183A (en) * 1977-05-24 1979-01-16 Minnesota Mining And Manufacturing Company Antipilferage system utilizing "figure-8" shaped field producing and detector coils
US4243980A (en) * 1978-02-17 1981-01-06 Lichtblau G J Antenna system for electronic security installations
US4260990A (en) * 1979-11-08 1981-04-07 Lichtblau G J Asymmetrical antennas for use in electronic security systems
US4309697A (en) * 1980-10-02 1982-01-05 Sensormatic Electronics Corporation Magnetic surveillance system with odd-even harmonic and phase discrimination
US4489313A (en) * 1982-09-01 1984-12-18 Sensormatic Electronics Corporation Signal direction determining system and directional loop antenna array therefor
US4751516A (en) * 1985-01-10 1988-06-14 Lichtblau G J Antenna system for magnetic and resonant circuit detection
US4710752A (en) * 1986-08-08 1987-12-01 Pitney Bowes Inc. Apparatus and method for detecting a magnetic marker
US4859991A (en) * 1987-08-28 1989-08-22 Sensormatic Electronics Corporation Electronic article surveillance system employing time domain and/or frequency domain analysis and computerized operation
GB2247381B (en) * 1987-08-28 1992-08-05 Sensormatic Electronics Corp An electronic article surveillance system
US5049857A (en) * 1989-07-24 1991-09-17 Sensormatic Electronics Corporation Multi-mode electronic article surveillance system
US5126749A (en) * 1989-08-25 1992-06-30 Kaltner George W Individually fed multiloop antennas for electronic security systems
US4975681A (en) * 1989-12-07 1990-12-04 Sensormatic Electronics Corporation Interfering signal rejection circuitry and electronic article surveillance system and method employing same
US5005001A (en) * 1990-04-05 1991-04-02 Pitney Bowes Inc. Field generation and reception system for electronic article surveillance

Also Published As

Publication number Publication date
CA2101290A1 (en) 1994-05-20
JP3483275B2 (ja) 2004-01-06
DE69323404D1 (de) 1999-03-18
CA2101290C (en) 2002-01-01
EP0602316A1 (en) 1994-06-22
JPH06236492A (ja) 1994-08-23
DE69323404T2 (de) 1999-07-15
US5387900A (en) 1995-02-07
EP0602316B1 (en) 1999-02-03

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Legal Events

Date Code Title Description
EE Request for examination
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FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

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B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
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B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.