ATE6552T1 - Verfahren und ueberwachungssystem zur feststellung der anwesenheit eines empfaengers-ruecksenders fuer elektromagnetische signale. - Google Patents

Verfahren und ueberwachungssystem zur feststellung der anwesenheit eines empfaengers-ruecksenders fuer elektromagnetische signale.

Info

Publication number
ATE6552T1
ATE6552T1 AT80301620T AT80301620T ATE6552T1 AT E6552 T1 ATE6552 T1 AT E6552T1 AT 80301620 T AT80301620 T AT 80301620T AT 80301620 T AT80301620 T AT 80301620T AT E6552 T1 ATE6552 T1 AT E6552T1
Authority
AT
Austria
Prior art keywords
low frequency
zone
transmitter
detecting
monitoring system
Prior art date
Application number
AT80301620T
Other languages
English (en)
Inventor
James Henry Stephen
John David Mccann
Michael Anthony Flemming
Original Assignee
Parmeko Limited
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 Parmeko Limited filed Critical Parmeko Limited
Application granted granted Critical
Publication of ATE6552T1 publication Critical patent/ATE6552T1/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
    • G08B13/2405—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
    • G08B13/2422—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 acoustic or microwave 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
    • G08B13/2428—Tag details
    • G08B13/2431—Tag circuit details
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
AT80301620T 1979-05-18 1980-05-16 Verfahren und ueberwachungssystem zur feststellung der anwesenheit eines empfaengers-ruecksenders fuer elektromagnetische signale. ATE6552T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7917347 1979-05-18
EP80301620A EP0020062B1 (de) 1979-05-18 1980-05-16 Verfahren und Überwachungssystem zur Feststellung der Anwesenheit eines Empfängers-Rücksenders für elektromagnetische Signale

Publications (1)

Publication Number Publication Date
ATE6552T1 true ATE6552T1 (de) 1984-03-15

Family

ID=10505247

Family Applications (1)

Application Number Title Priority Date Filing Date
AT80301620T ATE6552T1 (de) 1979-05-18 1980-05-16 Verfahren und ueberwachungssystem zur feststellung der anwesenheit eines empfaengers-ruecksenders fuer elektromagnetische signale.

Country Status (7)

Country Link
US (1) US4352098A (de)
EP (1) EP0020062B1 (de)
JP (1) JPS55155268A (de)
AT (1) ATE6552T1 (de)
CA (1) CA1145015A (de)
DE (1) DE3066810D1 (de)
NO (1) NO801465L (de)

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ATE34474T1 (de) * 1982-04-12 1988-06-15 Ici America Inc Diebstahlsicherungssystem mit sich kreuzendem hochfrequenzbuendel.
US4646090A (en) * 1983-08-12 1987-02-24 Rca Corporation Codeable identifying tag and method of identification thereof
US4704602A (en) * 1984-02-15 1987-11-03 Intermodulation And Safety System Ab Method and system for detecting an indicating device
US4679035A (en) * 1985-07-30 1987-07-07 Sensormatic Electronics Corporation Tri-signal electromagnetic article surveillance system
US4684929A (en) * 1985-10-17 1987-08-04 Ball Corporation Microwave/seismic security system
JPS6483178A (en) * 1987-09-25 1989-03-28 Nissan Motor Wireless information receiver of wireless production management system
US6094188A (en) * 1990-11-30 2000-07-25 Sun Microsystems, Inc. Radio frequency tracking system
US5349332A (en) * 1992-10-13 1994-09-20 Sensormatic Electronics Corportion EAS system with requency hopping
GB9302757D0 (en) * 1993-02-11 1993-03-24 Esselte Meto Int Gmbh Method and system for detecting a marker
FI95514C (fi) * 1994-09-26 1996-02-12 Tuotesuoja Sirpa Jaervensivu K Identifiointimenetelmä sekä identifiointilaitteisto
SE506449C2 (sv) * 1996-02-12 1997-12-15 Rso Corp Artikelövervakningssystem
DE19745953C2 (de) * 1997-10-17 2002-12-05 Anatoli Stobbe Diebstahl-Sicherungssystem sowie Verfahren zur automatischen Detektion und Identifikation eines Warensicherungsetiketts durch eine Basisstation
EP1048107A2 (de) * 1998-03-13 2000-11-02 Koninklijke Philips Electronics N.V. Abstimmung mit diodendetektor
US6040774A (en) * 1998-05-27 2000-03-21 Sarnoff Corporation Locating system and method employing radio frequency tags
US6177870B1 (en) * 1999-01-13 2001-01-23 Sensormatic Electronics Corporation Resonant EAS marker with sideband generator
US6307468B1 (en) * 1999-07-20 2001-10-23 Avid Identification Systems, Inc. Impedance matching network and multidimensional electromagnetic field coil for a transponder interrogator
US7086111B2 (en) 2001-03-16 2006-08-08 Braun Gmbh Electric dental cleaning device
DE10159395B4 (de) 2001-12-04 2010-11-11 Braun Gmbh Vorrichtung zur Zahnreinigung
MXPA03007530A (es) 2001-03-14 2003-12-12 Braun Gmbh Metodo y dispositivo para limpieza de dientes.
US8443476B2 (en) 2001-12-04 2013-05-21 Braun Gmbh Dental cleaning device
US6856275B1 (en) * 2001-12-26 2005-02-15 Raytheon Company Semiconductor article harmonic identification
US20050012597A1 (en) * 2003-07-02 2005-01-20 Anderson Peter Traneus Wireless electromagnetic tracking system using a nonlinear passive transponder
US20060026841A1 (en) * 2004-08-09 2006-02-09 Dirk Freund Razors
US7342497B2 (en) * 2004-08-26 2008-03-11 Avante International Technology, Inc Object monitoring, locating, and tracking system employing RFID devices
US7839289B2 (en) * 2004-08-26 2010-11-23 Avante International Technology, Inc. Object monitoring, locating, and tracking system and method employing RFID devices
US7423535B2 (en) * 2004-08-26 2008-09-09 Avante International Technology, Inc. Object monitoring, locating, and tracking method employing RFID devices
US7319397B2 (en) * 2004-08-26 2008-01-15 Avante International Technology, Inc. RFID device for object monitoring, locating, and tracking
US8174383B1 (en) 2004-08-26 2012-05-08 Avante International Technology, Inc. System and method for operating a synchronized wireless network
DE102004062150A1 (de) 2004-12-23 2006-07-13 Braun Gmbh Auswechselbares Zubehörteil für ein Elektrokleingerät und Verfahren zum Bestimmen der Benutzungsdauer des Zubehörteils
US8131239B1 (en) 2006-08-21 2012-03-06 Vadum, Inc. Method and apparatus for remote detection of radio-frequency devices
EP2141635A1 (de) * 2008-06-30 2010-01-06 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Funkfrequenzetikett
CA2807221A1 (en) 2010-08-19 2012-02-23 Braun Gmbh Method for operating an electric appliance and electric appliance
DK2550937T3 (da) 2011-07-25 2014-05-19 Braun Gmbh Magnetforbindelse mellem et tandbørstehåndtag og et børstehoved
DK2550938T3 (da) 2011-07-25 2015-04-07 Braun Gmbh Mundhygiejneanordning
US9099939B2 (en) 2011-07-25 2015-08-04 Braun Gmbh Linear electro-polymer motors and devices having the same
FR3013482B1 (fr) * 2013-11-20 2017-09-08 Epawn Procede et dispositif de localisation d’elements mobiles pourvus de tags standard de type nfc

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3518546A (en) * 1966-12-12 1970-06-30 Microlab Fxr Harmonic communication and navigation system
US3707711A (en) * 1970-04-02 1972-12-26 Peter Harold Cole Electronic surveillance system
US3895368A (en) * 1972-08-09 1975-07-15 Sensormatic Electronics Corp Surveillance system and method utilizing both electrostatic and electromagnetic fields
NL161904C (nl) * 1973-04-13 Knogo Corp Diefstal-detectiestelsel.
US3938125A (en) * 1974-02-20 1976-02-10 Minnesota Mining And Manufacturing Company Antipilferage system and marker therefor
US3990065A (en) * 1975-02-20 1976-11-02 The Magnavox Company Theft detection system
US4139844A (en) * 1977-10-07 1979-02-13 Sensormatic Electronics Corporation Surveillance method and system with electromagnetic carrier and plural range limiting signals

Also Published As

Publication number Publication date
CA1145015A (en) 1983-04-19
EP0020062A1 (de) 1980-12-10
EP0020062B1 (de) 1984-03-07
JPS55155268A (en) 1980-12-03
NO801465L (no) 1980-11-19
US4352098A (en) 1982-09-28
DE3066810D1 (en) 1984-04-12

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Legal Events

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