BR9306561A - Processo e aparelho para controlar o fluxo de sinais compósitos para circuitos de processamento de sinais e para detectar a presença e ume zona de interrogação de um alvo - Google Patents

Processo e aparelho para controlar o fluxo de sinais compósitos para circuitos de processamento de sinais e para detectar a presença e ume zona de interrogação de um alvo

Info

Publication number
BR9306561A
BR9306561A BR9306561A BR9306561A BR9306561A BR 9306561 A BR9306561 A BR 9306561A BR 9306561 A BR9306561 A BR 9306561A BR 9306561 A BR9306561 A BR 9306561A BR 9306561 A BR9306561 A BR 9306561A
Authority
BR
Brazil
Prior art keywords
target
detecting
controlling
flow
signal processing
Prior art date
Application number
BR9306561A
Other languages
English (en)
Inventor
David Tierien Lundquist
Christopher Reinard Paul
Original Assignee
Knogo 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 Knogo Corp filed Critical Knogo Corp
Publication of BR9306561A publication Critical patent/BR9306561A/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
    • G08B13/2485—Simultaneous detection of multiple EAS 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
    • G08B13/2468—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
    • 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)
BR9306561A 1992-06-15 1993-06-14 Processo e aparelho para controlar o fluxo de sinais compósitos para circuitos de processamento de sinais e para detectar a presença e ume zona de interrogação de um alvo BR9306561A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/898,687 US5264829A (en) 1992-06-15 1992-06-15 Method and apparatus for theft detection using digital signal processing
PCT/US1993/005503 WO1993025984A1 (en) 1992-06-15 1993-06-14 Method and apparatus for theft detection using digital signal processing

Publications (1)

Publication Number Publication Date
BR9306561A true BR9306561A (pt) 1999-01-12

Family

ID=25409889

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9306561A BR9306561A (pt) 1992-06-15 1993-06-14 Processo e aparelho para controlar o fluxo de sinais compósitos para circuitos de processamento de sinais e para detectar a presença e ume zona de interrogação de um alvo

Country Status (9)

Country Link
US (1) US5264829A (pt)
EP (2) EP0646266B1 (pt)
JP (1) JPH08506669A (pt)
CN (1) CN1048566C (pt)
AU (1) AU668407B2 (pt)
BR (1) BR9306561A (pt)
CA (1) CA2138273C (pt)
DE (2) DE69325099T2 (pt)
WO (1) WO1993025984A1 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE69610491T2 (de) * 1995-04-07 2001-02-08 Minnesota Mining And Mfg. Co., Saint Paul Elektronisches warenüberwachungssystem mit adaptiver filterung und digitaler detektierung
US5798693A (en) * 1995-06-07 1998-08-25 Engellenner; Thomas J. Electronic locating systems
JP3803982B2 (ja) * 1995-08-23 2006-08-02 マスプロ電工株式会社 盗難防止システム
US5847650A (en) * 1996-10-04 1998-12-08 Knogo North America Inc. Theft resistant circuit assembly
DE19745953C2 (de) * 1997-10-17 2002-12-05 Anatoli Stobbe Diebstahl-Sicherungssystem sowie Verfahren zur automatischen Detektion und Identifikation eines Warensicherungsetiketts durch eine Basisstation
US5990791A (en) * 1997-10-22 1999-11-23 William B. Spargur Anti-theft detection system
NO981723D0 (no) 1998-04-16 1998-04-16 Instrutek Holding As System for overvÕking og kontroll av gjenstander eller personer
US6232878B1 (en) * 1999-05-20 2001-05-15 Checkpoint Systems, Inc. Resonant circuit detection, measurement and deactivation system employing a numerically controlled oscillator
JP2010030024A (ja) * 2008-07-31 2010-02-12 Makita Corp 電気機器
CN102110337B (zh) * 2011-03-01 2013-03-20 哈尔滨工程大学 超声波防盗空间预警方法
CN104091403B (zh) * 2014-06-30 2016-11-09 国家电网公司 一种待投电力电缆防盗报警装置
DE102015202960B4 (de) * 2015-02-18 2016-10-06 Siemens Aktiengesellschaft Analogeingangsschaltung, Verfahren zum Betrieb einer Analogeingangsschaltung und Baugruppe mit einer Analogeingangsschaltung
DE202020101812U1 (de) 2020-04-02 2020-04-17 Franz Gloß Sicherheitsvorrichtung für einen Kassenbereich

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4455550A (en) * 1980-11-06 1984-06-19 General Research Of Electronics, Inc. Detection circuit for a video intrusion monitoring apparatus
US4623877A (en) * 1983-06-30 1986-11-18 Knogo Corporation Method and apparatus for detection of targets in an interrogation zone
US5103209A (en) * 1989-01-09 1992-04-07 Checkpoint Systems, Inc. Electronic article surveillance system with improved differentiation
US5023598A (en) * 1990-01-02 1991-06-11 Pitney Bowes Inc. Digital signal processor for electronic article gates
US5300922A (en) * 1990-05-29 1994-04-05 Sensormatic Electronics Corporation Swept frequency electronic article surveillance system having enhanced facility for tag signal detection

Also Published As

Publication number Publication date
EP0646266A4 (en) 1995-08-02
EP0907155A1 (en) 1999-04-07
DE69331349D1 (de) 2002-01-24
WO1993025984A1 (en) 1993-12-23
CN1048566C (zh) 2000-01-19
AU668407B2 (en) 1996-05-02
CN1079835A (zh) 1993-12-22
US5264829A (en) 1993-11-23
AU4531493A (en) 1994-01-04
DE69331349T2 (de) 2002-08-14
CA2138273C (en) 2001-08-14
EP0646266A1 (en) 1995-04-05
DE69325099D1 (de) 1999-07-01
EP0907155B1 (en) 2001-12-12
DE69325099T2 (de) 1999-12-16
EP0646266B1 (en) 1999-05-26
CA2138273A1 (en) 1993-12-23
JPH08506669A (ja) 1996-07-16

Similar Documents

Publication Publication Date Title
BR9306561A (pt) Processo e aparelho para controlar o fluxo de sinais compósitos para circuitos de processamento de sinais e para detectar a presença e ume zona de interrogação de um alvo
BR8402596A (pt) Processo de detectar a presenca de alvos na zona de interrogacao de um aparelho de deteccao de furtos e aparelhos de deteccao de furtos
BR9405742A (pt) Sistemas de microfones gradientes direcionais e processo de operação do sistema de microfones gradientes direcionais
ATE405813T1 (de) Landehilfevorrichtung, insbesondere zum abschalten eines grundkollisionsalarmes
BR9204254A (pt) Processo de monitorar fibra de material e sistema de distribuicao
BR9400618A (pt) Sistema de aviso de desaceleração e/ou processo
DE69317015D1 (de) Adaptives Signalerkennungsverfahren zur Auswertung von Mehrfrequenz-Kodezeichen-Signalen
BR9303659A (pt) Sistema eletronico de vigilancia para artigos e metodo de operacao de um sistema eletronico de vigilancia para artigos
DE69331893D1 (de) Eine Vorrichtung zur Verarbeitung von Videosignalen
DE68911797D1 (de) Verfahren und Vorrichtung zur Fourier-Signalverarbeitung von gepulsten Doppler-Signalen.
DE69636617D1 (de) Verfahren und System zum Nachweisen von Transaktionen mit hinterherigem Drucken und Verarbeiten des Postens
DE69811310D1 (de) Verfahren und Vorrichtung zur Detektion und Endpunkt-Detektion von Vordergrund-Sprachsignalen
FR2692151B1 (fr) Systeme de traitement du materiau de la zone de transition.
DE69322881D1 (de) Verfahren und vorrichtung zur signalverarbeitung mittels referenzsignalen
BR9403475A (pt) Processo de fabricar um marcador desativável para sistema de vigilância eletrônica de artigos e o respectivo marcador desativável
BR9602193A (pt) Processo para o tratamento de resíduo de escória de alumínio processo para a produção de um agregado e sistema de forno
FR2730841B1 (fr) Procede et dispositif de surveillance et de guidage d'aeronef pour atterrissage de precision
BR9107029A (pt) Sistema de camadas para sensores de gas e processo para sua producao
KR960701570A (ko) 광학적으로 부호화된 신호를 처리하는 방법 및 장치(optically encoded signals)
DE69310783D1 (de) Vorrichtung zum Verarbeiten von empfangenen Datensignalen
DE69321854D1 (de) Signalverarbeitungsvorrichtung und -verfahren sowie diese verwendende Versatzerfassungsvorrichtung
FR2649335B1 (fr) Procede et dispositif de production directe de liposomes
BR9306343A (pt) Sistema para análise contínua de amostras de material e processo para estabelecer tal sistema
DE69315016D1 (de) Signalverarbeitungsverfahren und Versatzerfassungsvorrichtung
EP0287827A3 (en) Method for the operation of a pyrodetector for the detection and/or determination of the velocity of a moving object

Legal Events

Date Code Title Description
FA7 Application withdrawn (art. 18 par. 1 of law 5772/71) - being contrary to morals, good customs and public security, order and health