ATE467273T1 - Automatische drahtlose synchronisation von elektronischen artikelüberwachungssystemen - Google Patents

Automatische drahtlose synchronisation von elektronischen artikelüberwachungssystemen

Info

Publication number
ATE467273T1
ATE467273T1 AT02706037T AT02706037T ATE467273T1 AT E467273 T1 ATE467273 T1 AT E467273T1 AT 02706037 T AT02706037 T AT 02706037T AT 02706037 T AT02706037 T AT 02706037T AT E467273 T1 ATE467273 T1 AT E467273T1
Authority
AT
Austria
Prior art keywords
monitoring systems
electronic item
wireless synchronization
automatic wireless
item monitoring
Prior art date
Application number
AT02706037T
Other languages
English (en)
Inventor
Thomas Frederick
Jeffrey Oakes
Original Assignee
Sensormatic Electronics Llc
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 Llc filed Critical Sensormatic Electronics Llc
Application granted granted Critical
Publication of ATE467273T1 publication Critical patent/ATE467273T1/de

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/07—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop using several loops, e.g. for redundant clock signal generation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • H03L7/0991—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider
    • H03L7/0992—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator being a digital oscillator, e.g. composed of a fixed oscillator followed by a variable frequency divider comprising a counter or a frequency divider

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Burglar Alarm Systems (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
AT02706037T 2001-02-08 2002-01-25 Automatische drahtlose synchronisation von elektronischen artikelüberwachungssystemen ATE467273T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26942501P 2001-02-08 2001-02-08
PCT/US2002/002485 WO2002063771A2 (en) 2001-02-08 2002-01-25 Automatic wireless synchronization of electronic article surveillance systems

Publications (1)

Publication Number Publication Date
ATE467273T1 true ATE467273T1 (de) 2010-05-15

Family

ID=23027181

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02706037T ATE467273T1 (de) 2001-02-08 2002-01-25 Automatische drahtlose synchronisation von elektronischen artikelüberwachungssystemen

Country Status (10)

Country Link
US (1) US7212117B2 (de)
EP (1) EP1393445B1 (de)
CN (1) CN100566172C (de)
AR (1) AR032652A1 (de)
AT (1) ATE467273T1 (de)
BR (1) BR0207122A (de)
CA (1) CA2437793C (de)
DE (1) DE60236279D1 (de)
ES (1) ES2348489T3 (de)
WO (1) WO2002063771A2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6812843B2 (en) * 2002-03-11 2004-11-02 Sensormatic Electronics Corporation Auto-phasing synchronization for pulsed electronic article surveillance systems
CA2480625A1 (en) 2002-04-11 2003-10-23 Sensormatic Electronics Corporation Portable handheld electronic article surveillance and scanner device
EP1811670B1 (de) 2003-04-02 2010-03-10 Christopher Julian Travis Numerisch gesteuerter Oszillator und Verfahren zum Erzeugen eines Ereignis-Taktes
JP4903209B2 (ja) * 2005-09-09 2012-03-28 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 同期送信可能なｅａｓシステム
US7535338B2 (en) * 2006-06-27 2009-05-19 Sensormatic Electronics Corporation Wireless synchronized operation of pulsed EAS systems
CA2655571A1 (en) 2006-06-27 2008-01-03 Sensormatic Electronics Corporation Wireless synchronized operation of pulsed eas systems
US8102259B2 (en) 2006-10-17 2012-01-24 Honeywell International Inc. Fluorescent light immunity through synchronous sampling
US20080107219A1 (en) * 2006-11-07 2008-05-08 Sensormatic Electronics Corporation Electronic articles surveillance system synchronization using global positioning satellite signal
EP2053755A1 (de) * 2007-10-25 2009-04-29 Commissariat A L'energie Atomique Verfahren und Vorrichtung zur Synchronisation
US8339264B2 (en) * 2008-02-22 2012-12-25 Xiao Hui Yang Control unit for an EAS system
US8106777B2 (en) * 2008-05-22 2012-01-31 Sensormatic Electronics, LLC Method and system to negate interference from adjacent transmitters in an electronic article surveillance system
US20100148932A1 (en) * 2008-12-17 2010-06-17 Sensormatic Electronics Corporation Wireless electronic article surveillance synchronization system and method with data transfer
US9356609B1 (en) * 2014-12-19 2016-05-31 Telefonaktiebolaget L M Ericsson (Publ) Phase switching PLL and calibration method
US10121362B1 (en) * 2017-08-15 2018-11-06 Tyco Fire & Security Gmbh Networked electronic article surveillance systems with synchronized tracking
WO2020018501A1 (en) * 2018-07-17 2020-01-23 Sensormatic Electronics, LLC Power supply with wirelessly supported phase offset control for acousto-magnetic systems

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4106007A (en) * 1974-07-17 1978-08-08 New England Power Service Company Method and apparatus for transmitting intelligence over a carrier wave
US4622543A (en) * 1984-03-22 1986-11-11 Anderson Iii Philip M Surveillance system having acoustic magnetomechanical marker
US4658241A (en) * 1985-09-17 1987-04-14 Allied Corporation Surveillance system including transmitter and receiver synchronized by power line zero crossings
US4675658A (en) * 1985-09-17 1987-06-23 Allied Corporation System including tuned AC magnetic field transmit antenna and untuned AC magnetic field receive antenna
US4667185A (en) * 1985-12-06 1987-05-19 Minnesota Mining And Manufacturing Company Wireless synchronization system for electronic article surveillance system
DK161227C (da) * 1986-01-27 1991-11-25 Antonson Security Denmark Aps Apparat til synkronisering af tyveridetektorer
NL8900658A (nl) * 1989-03-17 1990-10-16 Nedap Nv Hoogfrequent winkeldiefstaldetectiesysteem volgens het transmissieprincipe.
US5371490A (en) * 1989-03-22 1994-12-06 Actron Entwicklungs Ag System for electronic safeguarding against burglary using multiple transmitters and receivers
US5023600A (en) * 1990-04-10 1991-06-11 Sensormatic Electronics Corporation Electronic article surveillance system with adaptiveness for synchronization with companion systems
US5337040A (en) * 1991-10-31 1994-08-09 Actron Entwicklungs Ag Detection apparatus for shoplifting-preventing labels
EP0561062A1 (de) * 1992-03-17 1993-09-22 Moisei Samuel Granovsky Verfahren und elektromagnetisches Sicherheitssystem, um geschützte Gegenstände in einem Überwachungsbereich zu entdecken
US5353011A (en) * 1993-01-04 1994-10-04 Checkpoint Systems, Inc. Electronic article security system with digital signal processing and increased detection range
JPH0823568A (ja) * 1994-07-08 1996-01-23 Nec Corp 無線フレーム同期方式
US5699045A (en) * 1996-06-06 1997-12-16 Sensormatic Electronics Corporation Electronic article surveillance system with cancellation of interference signals
US5995002A (en) * 1997-11-28 1999-11-30 Sensormatic Electronics Corporation Line synchronized delays for multiple pulsed EAS systems
US6201469B1 (en) * 1999-02-12 2001-03-13 Sensormatic Electronics Corporation Wireless synchronization of pulsed magnetic EAS systems
US6320507B1 (en) * 2000-04-07 2001-11-20 Sensormatic Electronics Corporation Method for synchronization between systems

Also Published As

Publication number Publication date
EP1393445B1 (de) 2010-05-05
ES2348489T3 (es) 2010-12-07
WO2002063771A3 (en) 2003-12-11
CN100566172C (zh) 2009-12-02
CA2437793A1 (en) 2002-08-15
WO2002063771A2 (en) 2002-08-15
DE60236279D1 (de) 2010-06-17
CN1529940A (zh) 2004-09-15
CA2437793C (en) 2010-07-20
BR0207122A (pt) 2004-02-10
AR032652A1 (es) 2003-11-19
US7212117B2 (en) 2007-05-01
US20020135480A1 (en) 2002-09-26
EP1393445A2 (de) 2004-03-03

Similar Documents

Publication Publication Date Title
DE60038466D1 (de) Drahtlose synchronisation von gepulsten warenüberwachungssystemen
ATE467273T1 (de) Automatische drahtlose synchronisation von elektronischen artikelüberwachungssystemen
NO20034532L (no) RFID-system med frekvenshopping
DE60234014D1 (de) Hochfrequenzleiterplattenkontaktlocher
NO20020225D0 (no) Ekspanderbare anordninger
FI19991915A (fi) Tukiaseman taajuussynkronointi
FI20011247A (fi) Radiotaajuusmoduuli
GB0221111D0 (en) Radio frequency identification tagging
AU2002359841A8 (en) Paired expandable anastomosis device
DE60225622D1 (de) Funkkommunikationsendgerät mit Master- oder Slavestationsfunktion
DE50302759D1 (de) Taktsynchronisationsschaltung
DE60140791D1 (de) Taktrückgewinnungsschaltung und Empfangsschaltung
DE60200387D1 (de) Funkfrequenzfilter
FR2828350B1 (fr) Dispositif de circuit doubleur de frequence
DE60218046D1 (de) Anlaufschaltung
ATE557362T1 (de) Selbstklebendes dokument mit radiofrequenzidentifikationsvorrichtung
DE60209692D1 (de) Montagevorrichtung
DE60309109D1 (de) Rundfunkempfänger
DE60212502D1 (de) Kältekreislauf
DE60208254D1 (de) Datentrennschaltung
NO20032930L (no) Synkron likeretterkrets
DE60104786D1 (de) Kältekreislauf
DE60226922D1 (de) Elektronisches Uhrwerk
DE50104030D1 (de) Synchronisiervorrichtung
AU2002366522A8 (en) Precise synchronization of distributed systems

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties