DE69841329D1 - Antenne und senderanordnung für elektronisches warenüberwachungssystem - Google Patents

Antenne und senderanordnung für elektronisches warenüberwachungssystem

Info

Publication number
DE69841329D1
DE69841329D1 DE69841329T DE69841329T DE69841329D1 DE 69841329 D1 DE69841329 D1 DE 69841329D1 DE 69841329 T DE69841329 T DE 69841329T DE 69841329 T DE69841329 T DE 69841329T DE 69841329 D1 DE69841329 D1 DE 69841329D1
Authority
DE
Germany
Prior art keywords
antenna
monitoring system
electronic goods
transmitter arrangement
goods monitoring
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69841329T
Other languages
English (en)
Inventor
Ming-Ren Lian
Thomas P Solaski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sensormatic Electronics LLC
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
Application granted granted Critical
Publication of DE69841329D1 publication Critical patent/DE69841329D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2477—Antenna or antenna activator circuit
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/12—Resonant antennas
    • H01Q11/14—Resonant antennas with parts bent, folded, shaped or screened or with phasing impedances, to obtain desired phase relation of radiation from selected sections of the antenna or to obtain desired polarisation effect
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/005—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with variable reactance for tuning the antenna
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/04—Screened antennas
DE69841329T 1997-12-05 1998-11-25 Antenne und senderanordnung für elektronisches warenüberwachungssystem Expired - Lifetime DE69841329D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/985,941 US5963173A (en) 1997-12-05 1997-12-05 Antenna and transmitter arrangement for EAS system
PCT/US1998/025249 WO1999030384A1 (en) 1997-12-05 1998-11-25 Antenna and transmitter arrangement for eas system

Publications (1)

Publication Number Publication Date
DE69841329D1 true DE69841329D1 (de) 2010-01-07

Family

ID=25531931

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69841329T Expired - Lifetime DE69841329D1 (de) 1997-12-05 1998-11-25 Antenne und senderanordnung für elektronisches warenüberwachungssystem

Country Status (8)

Country Link
US (1) US5963173A (de)
EP (1) EP1036424B1 (de)
JP (1) JP4619532B2 (de)
AU (1) AU747534B2 (de)
BR (1) BR9813377A (de)
CA (1) CA2312929C (de)
DE (1) DE69841329D1 (de)
WO (1) WO1999030384A1 (de)

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US6570541B2 (en) 1998-05-18 2003-05-27 Db Tag, Inc. Systems and methods for wirelessly projecting power using multiple in-phase current loops
US6166706A (en) * 1998-11-04 2000-12-26 Checkpoint Systems, Inc. Rotating field antenna with a magnetically coupled quadrature loop
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US7377199B2 (en) 2000-09-29 2008-05-27 Sd3, Llc Contact detection system for power equipment
US7536238B2 (en) 2003-12-31 2009-05-19 Sd3, Llc Detection systems for power equipment
US8061245B2 (en) 2000-09-29 2011-11-22 Sd3, Llc Safety methods for use in power equipment
US7210383B2 (en) 2000-08-14 2007-05-01 Sd3, Llc Detection system for power equipment
US7600455B2 (en) 2000-08-14 2009-10-13 Sd3, Llc Logic control for fast-acting safety system
US6857345B2 (en) 2000-08-14 2005-02-22 Sd3, Llc Brake positioning system
US7284467B2 (en) * 2000-08-14 2007-10-23 Sd3, Llc Apparatus and method for detecting dangerous conditions in power equipment
US9724840B2 (en) 1999-10-01 2017-08-08 Sd3, Llc Safety systems for power equipment
US6957601B2 (en) * 2000-08-14 2005-10-25 Sd3, Llc Translation stop for use in power equipment
US20030056853A1 (en) 2001-09-21 2003-03-27 Gass Stephen F. Router with improved safety system
US7024975B2 (en) 2000-08-14 2006-04-11 Sd3, Llc Brake mechanism for power equipment
US7836804B2 (en) 2003-08-20 2010-11-23 Sd3, Llc Woodworking machines with overmolded arbors
US9927796B2 (en) 2001-05-17 2018-03-27 Sawstop Holding Llc Band saw with improved safety system
US7225712B2 (en) 2000-08-14 2007-06-05 Sd3, Llc Motion detecting system for use in a safety system for power equipment
US8459157B2 (en) 2003-12-31 2013-06-11 Sd3, Llc Brake cartridges and mounting systems for brake cartridges
US7827890B2 (en) 2004-01-29 2010-11-09 Sd3, Llc Table saws with safety systems and systems to mount and index attachments
US8065943B2 (en) 2000-09-18 2011-11-29 Sd3, Llc Translation stop for use in power equipment
US20020017179A1 (en) 2000-08-14 2002-02-14 Gass Stephen F. Miter saw with improved safety system
US7707920B2 (en) 2003-12-31 2010-05-04 Sd3, Llc Table saws with safety systems
US7712403B2 (en) 2001-07-03 2010-05-11 Sd3, Llc Actuators for use in fast-acting safety systems
DE10002311C1 (de) * 2000-01-20 2001-06-13 Skidata Ag Kommunikationsendgerät
US6813983B2 (en) 2000-09-29 2004-11-09 Sd3, Llc Power saw with improved safety system
US6826988B2 (en) 2000-09-29 2004-12-07 Sd3, Llc Miter saw with improved safety system
JP3498716B2 (ja) * 2001-02-09 2004-02-16 オムロン株式会社 アンテナ装置
US20030001739A1 (en) * 2001-06-29 2003-01-02 Robert Clucas Electronic article surveillance antenna for attachment to a vertical structure
US6590542B1 (en) * 2001-12-17 2003-07-08 James B. Briggs Double loop antenna
US6567050B1 (en) * 2001-12-17 2003-05-20 Briggs James B Loop antenna compensator
US8339265B2 (en) 2002-01-09 2012-12-25 Sensormatic Electronics, Llc. Method of assigning and deducing the location of articles detected by multiple RFID antennae
US8321302B2 (en) * 2002-01-23 2012-11-27 Sensormatic Electronics, LLC Inventory management system
TWI269235B (en) * 2002-01-09 2006-12-21 Mead Westvaco Corp Intelligent station using multiple RF antennae and inventory control system and method incorporating same
PT102739A (pt) * 2002-03-13 2003-09-30 Gantle Trading & Services Ld Sistema de antenas para um dispositivo de leitura de transponder em radiofrequencia
US6753821B2 (en) * 2002-04-22 2004-06-22 Wg Security Products, Inc. Method and arrangement of antenna system of EAS
US6752837B2 (en) 2002-06-28 2004-06-22 Hewlett-Packard Development Company, L.P. Security tags with a reversible optical indicator
CN100583554C (zh) * 2003-08-29 2010-01-20 精工爱普生株式会社 环形天线装置
GB0328359D0 (en) * 2003-12-06 2004-01-14 Telegesis Uk Ltd Radio frequency antenna
US7417599B2 (en) * 2004-02-20 2008-08-26 3M Innovative Properties Company Multi-loop antenna for radio frequency identification (RFID) communication
US7301459B2 (en) * 2004-05-11 2007-11-27 Sensormatic Electronics Corporation Closed loop transmitter control for power amplifier in an EAS system
US20070164845A1 (en) * 2004-12-21 2007-07-19 Checkpoint Systems, Inc. System and method for monitoring security systems
NL1028330C2 (nl) * 2005-02-18 2006-08-21 Nedap Nv Smart Shelf.
US20060220874A1 (en) * 2005-03-03 2006-10-05 Campero Richard J Apparatus for and method of using an intelligent network and RFID signal router
US8316156B2 (en) * 2006-02-17 2012-11-20 Intel-Ne, Inc. Method and apparatus for interfacing device drivers to single multi-function adapter
US7570220B2 (en) * 2006-06-27 2009-08-04 Sensormatic Electronics Corporation Resonant circuit tuning system with dynamic impedance matching
US20070296548A1 (en) * 2006-06-27 2007-12-27 Hall Stewart E Resonant circuit tuning system using magnetic field coupled reactive elements
US7651267B2 (en) * 2006-08-08 2010-01-26 Ford Global Technologies, Llc Sensor arrangement and method for using same
DE102007018059A1 (de) 2007-04-17 2008-10-23 Kathrein-Werke Kg RFID-Antennen-System
DE102007018058A1 (de) * 2007-04-17 2008-10-23 Kathrein-Werke Kg RFID-Antennen-System
US7852268B2 (en) 2007-04-18 2010-12-14 Kathrein-Werke Kg RFID antenna system
US7460073B2 (en) 2007-04-18 2008-12-02 Kathrein-Werke Kg RFID antenna system
GB2461126B (en) * 2008-06-25 2010-09-29 Shearwell Data Ltd Antenna system
US8581705B2 (en) 2008-09-04 2013-11-12 Allflex Usa, Inc. Combination full-duplex and half-duplex electronic identification tag
WO2010146662A1 (ja) * 2009-06-16 2010-12-23 株式会社ビー・アンド・プラス 双方向伝送用コイルおよびこれを用いた双方向伝送装置
CA2780323C (en) * 2009-10-09 2018-06-12 Aleis Pty Ltd Radio frequency identification reader antenna having a dynamically adjustable q-factor
US8811542B2 (en) * 2009-10-09 2014-08-19 Aleis Pty Ltd. HDX demodulator
US8854188B2 (en) * 2009-11-04 2014-10-07 Allflex Usa, Inc. Signal cancelling transmit/receive multi-loop antenna for a radio frequency identification reader
FR2954551B1 (fr) * 2009-12-21 2012-08-17 Commissariat Energie Atomique Dispositif d'echange de donnees sans contact securise entre un lecteur et une carte
US8362956B2 (en) * 2010-11-18 2013-01-29 Nader Behdad Electrically small, source direction resolving antennas
US20120139730A1 (en) * 2010-12-03 2012-06-07 Metrologic Instruments, Inc. Electronic article surveillance system
WO2013117994A1 (en) * 2012-01-05 2013-08-15 Hid Global Gmbh Calculated compensated magnetic antennas for different frequencies
US8849229B2 (en) 2012-06-01 2014-09-30 Wisconsin Alumni Research Foundation Electrically small, super directive antennas
US9424724B2 (en) 2013-08-02 2016-08-23 Bibliotheca Rfid Library Systems Ag Single turn magnetic drive loop for electronic article surveillance

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US3683389A (en) * 1971-01-20 1972-08-08 Corning Glass Works Omnidirectional loop antenna array
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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
US5103234A (en) * 1987-08-28 1992-04-07 Sensormatic Electronics Corporation Electronic article surveillance system
US5103235A (en) * 1988-12-30 1992-04-07 Checkpoint Systems, Inc. Antenna structure for an electronic article surveillance system
US5023600A (en) * 1990-04-10 1991-06-11 Sensormatic Electronics Corporation Electronic article surveillance system with adaptiveness for synchronization with companion systems
US5353011A (en) * 1993-01-04 1994-10-04 Checkpoint Systems, Inc. Electronic article security system with digital signal processing and increased detection range
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US5602556A (en) * 1995-06-07 1997-02-11 Check Point Systems, Inc. Transmit and receive loop antenna

Also Published As

Publication number Publication date
CA2312929C (en) 2006-07-11
BR9813377A (pt) 2000-10-10
AU747534B2 (en) 2002-05-16
EP1036424B1 (de) 2009-11-25
US5963173A (en) 1999-10-05
EP1036424A4 (de) 2001-01-24
WO1999030384A1 (en) 1999-06-17
EP1036424A1 (de) 2000-09-20
CA2312929A1 (en) 1999-06-17
JP4619532B2 (ja) 2011-01-26
JP2001526480A (ja) 2001-12-18
AU2085499A (en) 1999-06-28

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: SENSORMATIC ELECTRONICS, LLC, BOCA RATON, FLA., US

8364 No opposition during term of opposition