BR9709440A - Sistema de vigilângia eletrônica de artigo com filtragem em pente por decomposição polifásica e filtragem n o-linear das subseqências - Google Patents

Sistema de vigilângia eletrônica de artigo com filtragem em pente por decomposição polifásica e filtragem n o-linear das subseqências

Info

Publication number
BR9709440A
BR9709440A BR9709440A BR9709440A BR9709440A BR 9709440 A BR9709440 A BR 9709440A BR 9709440 A BR9709440 A BR 9709440A BR 9709440 A BR9709440 A BR 9709440A BR 9709440 A BR9709440 A BR 9709440A
Authority
BR
Brazil
Prior art keywords
filtering
polyphasic
decomposition
sequences
surveillance system
Prior art date
Application number
BR9709440A
Other languages
English (en)
Inventor
Thomas J Frederick
Dale R Bettine
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 BR9709440A publication Critical patent/BR9709440A/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
    • G08B13/2465—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Burglar Alarm Systems (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Noise Elimination (AREA)
  • Radar Systems Or Details Thereof (AREA)
BR9709440A 1996-04-22 1997-04-17 Sistema de vigilângia eletrônica de artigo com filtragem em pente por decomposição polifásica e filtragem n o-linear das subseqências BR9709440A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/635,697 US5673024A (en) 1996-04-22 1996-04-22 Electronic article surveillance system with comb filtering by polyphase decomposition and nonlinear filtering of subsequences
PCT/US1997/006432 WO1997040479A1 (en) 1996-04-22 1997-04-17 Electronic article surveillance system with comb filtering by polyphase decomposition and nonlinear filtering of subsequences

Publications (1)

Publication Number Publication Date
BR9709440A true BR9709440A (pt) 1999-08-10

Family

ID=24548755

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9709440A BR9709440A (pt) 1996-04-22 1997-04-17 Sistema de vigilângia eletrônica de artigo com filtragem em pente por decomposição polifásica e filtragem n o-linear das subseqências

Country Status (9)

Country Link
US (1) US5673024A (pt)
EP (1) EP0898769B1 (pt)
JP (1) JP3878218B2 (pt)
AR (1) AR006781A1 (pt)
AU (1) AU711993B2 (pt)
BR (1) BR9709440A (pt)
CA (1) CA2243079A1 (pt)
DE (1) DE69729724T2 (pt)
WO (1) WO1997040479A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19644927A1 (de) * 1996-10-29 1998-04-30 Esselte Meto Int Gmbh Vorrichtung zur Überwachung eines elektronischen Sicherungselementes in einer Abfragezone
US5909178A (en) * 1997-11-28 1999-06-01 Sensormatic Electronics Corporation Signal detection in high noise environments
JP2002149200A (ja) * 2000-08-31 2002-05-24 Matsushita Electric Ind Co Ltd 音声処理装置及び音声処理方法
US6351216B1 (en) * 2001-02-05 2002-02-26 Sensormatic Electronics Corporation Large signal noise cancellation in electronic article surveillance
US6750768B2 (en) * 2002-04-15 2004-06-15 Wg Security Products, Inc. EAS system employing pseudorandom coding system and method
US6753821B2 (en) * 2002-04-22 2004-06-22 Wg Security Products, Inc. Method and arrangement of antenna system of EAS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4660025A (en) * 1984-11-26 1987-04-21 Sensormatic Electronics Corporation Article surveillance magnetic marker having an hysteresis loop with large Barkhausen discontinuities
US4868773A (en) * 1985-03-15 1989-09-19 Purdue Research Foundation Digital filtering by threshold decomposition
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
US5097433A (en) * 1990-07-11 1992-03-17 General Electric Company Stack filter with one stage per bit

Also Published As

Publication number Publication date
CA2243079A1 (en) 1997-10-30
JP2000509177A (ja) 2000-07-18
EP0898769B1 (en) 2004-06-30
JP3878218B2 (ja) 2007-02-07
EP0898769A4 (en) 2001-01-24
DE69729724T2 (de) 2005-07-07
US5673024A (en) 1997-09-30
WO1997040479A1 (en) 1997-10-30
AR006781A1 (es) 1999-09-29
DE69729724D1 (de) 2004-08-05
AU711993B2 (en) 1999-10-28
EP0898769A1 (en) 1999-03-03
AU2674597A (en) 1997-11-12

Similar Documents

Publication Publication Date Title
BR9504185A (pt) Sistema de vigilância eletrônica de artigos
ITMI950157A0 (it) Sistema televisivo via cavo che usa parole d'ordine
DE69024537D1 (de) Infrarot-Überwachungssystem
DE59301231D1 (de) Vorrichtung zur Verriegelung
DE69324357D1 (de) Überwachungs- und alarmvorrichtung für räume.
FI954479A0 (fi) Hälytysjärjestelmä
NO991757D0 (no) SMA-alarm
BR9104754A (pt) Sistema de vigilancia eletronica de artigos
DK0586119T3 (da) Sikkerhedstværstang
DE69430113D1 (de) Infrarotes Eindringlings-Detektierungssystem
DE69128261D1 (de) Infrarot-Eindringalarmanlage
DE69416438D1 (de) Alarmanlage
DE69619635D1 (de) Sicherheitssystem und seine Verwendung
BR9504190A (pt) Sistema elétrico de vigilancia de artigo
GB9609406D0 (en) The "Pixxi" televisual surveillance alarm system
BR9709440A (pt) Sistema de vigilângia eletrônica de artigo com filtragem em pente por decomposição polifásica e filtragem n o-linear das subseqências
BR9611444A (pt) Sistema de vigiláncia eletrónica de artigo com filtragem em pente e supressão de alarme falso
DE69433313D1 (de) Multi-Master Überwachungssystem
DE69517275D1 (de) Gepulstes elektronisches Warenüberwachungssystem
IT222234Z2 (it) Sistema antifurto ed antintrusione integrato.
KR960015389U (ko) 무접점 도난 경보기
KR970019252U (ko) 보안기능을 갖는 모니터
BR9202039A (pt) Sistema de alarme desimetrico
IT9021659A0 (it) Sistema eletronico di allarme
KR940023315U (ko) 졸음 경보기

Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 17/04/1997, OBSERVADAS AS CONDICOES LEGAIS.

B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 13A E 14A ANUIDADES

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2257 DE 08/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 13A E 14A ANUIDADES.

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.