DE68921745T2 - Antennen-struktur für elektronisches bewachungssystem für gegenstände. - Google Patents

Antennen-struktur für elektronisches bewachungssystem für gegenstände.

Info

Publication number
DE68921745T2
DE68921745T2 DE68921745T DE68921745T DE68921745T2 DE 68921745 T2 DE68921745 T2 DE 68921745T2 DE 68921745 T DE68921745 T DE 68921745T DE 68921745 T DE68921745 T DE 68921745T DE 68921745 T2 DE68921745 T2 DE 68921745T2
Authority
DE
Germany
Prior art keywords
loop
lead
surveillance system
objects
antenna structure
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 - Fee Related
Application number
DE68921745T
Other languages
English (en)
Other versions
DE68921745D1 (de
Inventor
Thomas Clemens
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.)
Checkpoint Systems Inc
Original Assignee
Checkpoint Systems Inc
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 Checkpoint Systems Inc filed Critical Checkpoint Systems Inc
Publication of DE68921745D1 publication Critical patent/DE68921745D1/de
Application granted granted Critical
Publication of DE68921745T2 publication Critical patent/DE68921745T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
DE68921745T 1988-12-30 1989-12-26 Antennen-struktur für elektronisches bewachungssystem für gegenstände. Expired - Fee Related DE68921745T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/292,361 US5103235A (en) 1988-12-30 1988-12-30 Antenna structure for an electronic article surveillance system
PCT/US1989/005872 WO1990007803A1 (en) 1988-12-30 1989-12-26 Antenna structure for an electronic article surveillance system

Publications (2)

Publication Number Publication Date
DE68921745D1 DE68921745D1 (de) 1995-04-20
DE68921745T2 true DE68921745T2 (de) 1995-08-10

Family

ID=23124336

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68921745T Expired - Fee Related DE68921745T2 (de) 1988-12-30 1989-12-26 Antennen-struktur für elektronisches bewachungssystem für gegenstände.

Country Status (12)

Country Link
US (1) US5103235A (de)
EP (1) EP0407532B1 (de)
JP (1) JPH03503110A (de)
AT (1) ATE120042T1 (de)
AU (1) AU620679B2 (de)
CA (1) CA2006749A1 (de)
DE (1) DE68921745T2 (de)
DK (1) DK206790A (de)
ES (1) ES2020690A6 (de)
FI (1) FI97092C (de)
MX (1) MX170375B (de)
WO (1) WO1990007803A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012008852U1 (de) 2012-09-17 2013-12-18 Checkpoint Systems, Inc. Antennenvorrichtung

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US5572226A (en) * 1992-05-15 1996-11-05 Micron Technology, Inc. Spherical antenna pattern(s) from antenna(s) arranged in a two-dimensional plane for use in RFID tags and labels
US5373301A (en) * 1993-01-04 1994-12-13 Checkpoint Systems, Inc. Transmit and receive antenna having angled crossover elements
GB9305085D0 (en) * 1993-03-12 1993-04-28 Esselte Meto Int Gmbh Electronic article surveillance system with enhanced geometric arrangement
US5349502A (en) * 1993-04-29 1994-09-20 Minnesota Mining And Manufacturing Company Universal lattice for magnetic electronic article surveillance system
US5798693A (en) * 1995-06-07 1998-08-25 Engellenner; Thomas J. Electronic locating systems
US5602556A (en) * 1995-06-07 1997-02-11 Check Point Systems, Inc. Transmit and receive loop antenna
US5653192A (en) * 1996-03-06 1997-08-05 Alfa Laval Agri Inc. Livestock identification apparatus
US5825291A (en) * 1996-04-10 1998-10-20 Sentry Technology Corporation Electronic article surveillance system
US6104311A (en) * 1996-08-26 2000-08-15 Addison Technologies Information storage and identification tag
US5914692A (en) * 1997-01-14 1999-06-22 Checkpoint Systems, Inc. Multiple loop antenna with crossover element having a pair of spaced, parallel conductors for electrically connecting the multiple loops
US5990791A (en) * 1997-10-22 1999-11-23 William B. Spargur Anti-theft detection system
US5963173A (en) * 1997-12-05 1999-10-05 Sensormatic Electronics Corporation Antenna and transmitter arrangement for EAS system
US6166706A (en) * 1998-11-04 2000-12-26 Checkpoint Systems, Inc. Rotating field antenna with a magnetically coupled quadrature loop
US6517000B1 (en) 1999-05-03 2003-02-11 Psc Scanning, Inc. Dual ended cable for connecting electronic article surveillance antenna with RFID equipment
JP3498716B2 (ja) * 2001-02-09 2004-02-16 オムロン株式会社 アンテナ装置
GB2374490B (en) * 2001-03-26 2004-08-25 George Alan Limpkin Human Presence interrogation apparatus
CN100588128C (zh) * 2001-05-04 2010-02-03 Nxp股份有限公司 用于与固定数据载体通信的具有线圈配置的通信设备
CA2347596C (en) * 2001-05-17 2004-01-27 James Stanley Podger The double-lemniscate antenna element
US6504513B1 (en) * 2001-08-03 2003-01-07 Sensormatic Electronics Corporation Electronic article surveillance antenna coils with variable wind geometry
US6567050B1 (en) * 2001-12-17 2003-05-20 Briggs James B Loop antenna compensator
US6854647B2 (en) * 2002-02-01 2005-02-15 Ncr Corporation Checkout device including integrated barcode reader, scale, and EAS system
US6783072B2 (en) 2002-02-01 2004-08-31 Psc Scanning, Inc. Combined data reader and electronic article surveillance (EAS) system
EP1890272B1 (de) * 2002-02-01 2011-04-13 Datalogic Scanning, Inc. System und Verfahren zum Datenlesen und EAS-Etikett-Erfassen und -Deaktivieren an der Kasse
US7527198B2 (en) * 2002-03-18 2009-05-05 Datalogic Scanning, Inc. Operation monitoring and enhanced host communications in systems employing electronic article surveillance and RFID tags
US6753821B2 (en) * 2002-04-22 2004-06-22 Wg Security Products, Inc. Method and arrangement of antenna system of EAS
US6667092B1 (en) 2002-09-26 2003-12-23 International Paper Company RFID enabled corrugated structures
US20040070504A1 (en) * 2002-10-14 2004-04-15 Brollier Brian W. Semi-covert RFID enabled containers
US7075437B2 (en) * 2003-01-13 2006-07-11 Symbol Technologies, Inc. RFID relay device and methods for relaying and RFID signal
WO2004107251A2 (en) * 2003-05-23 2004-12-09 Symbol Technologies, Inc. Rfid relay device and methods for relaying an rfid signal
DE602005005983T2 (de) * 2004-04-28 2009-06-10 Checkpoint Systems, Inc. Elektronisches artikelverfolgungssystem für ein kaufhausregal mit einer schleifenantenne
US7207488B2 (en) * 2004-11-04 2007-04-24 Precision Dynamics Corproation Combined barcode scanner and radio frequency identification reader with field interpretation array
US7619527B2 (en) * 2005-02-08 2009-11-17 Datalogic Scanning, Inc. Integrated data reader and electronic article surveillance (EAS) system
US7268742B2 (en) * 2005-03-22 2007-09-11 Mobile Aspects, Inc. Antenna arrangement
CN100351861C (zh) * 2005-11-07 2007-11-28 中兴通讯股份有限公司 一种射频电子标签
US7825867B2 (en) * 2007-04-26 2010-11-02 Round Rock Research, Llc Methods and systems of changing antenna polarization
US7936268B2 (en) * 2007-08-31 2011-05-03 Round Rock Research, Llc Selectively coupling to feed points of an antenna system
US9312598B1 (en) * 2007-09-07 2016-04-12 Callas Enterprises, LLC Combined floor mat and antennas for an electronic article surveillance system
JP5114177B2 (ja) * 2007-12-12 2013-01-09 富士通テン株式会社 情報記録装置
US8115637B2 (en) 2008-06-03 2012-02-14 Micron Technology, Inc. Systems and methods to selectively connect antennas to receive and backscatter radio frequency signals
WO2010028296A1 (en) 2008-09-04 2010-03-11 Allflex Usa, Inc. Combination full-duplex and half-duplex electronic identification tag
CA2780391C (en) * 2009-10-09 2017-11-14 Allflex Usa, Inc. Hdx demodulator
EP2486552B1 (de) * 2009-10-09 2017-08-30 Aleis Pty Ltd Antenne eines rfid-lesegeräts mit einem dynamisch einstellbaren q-faktor
US8854188B2 (en) * 2009-11-04 2014-10-07 Allflex Usa, Inc. Signal cancelling transmit/receive multi-loop antenna for a radio frequency identification reader
FR2953620B1 (fr) * 2009-12-07 2013-11-22 Areva Nc Dispositif d'identification d'un support metallique present dans un environnement poussiereux et metallique, a encombrement reduit et application a l'identification de conteneur contenant des elements de combustible nucleaire dans leur usine de fabrication
US8859073B1 (en) * 2010-12-27 2014-10-14 Callas Enterprises, LLC Graphic floor mat and method of making mat
USD749063S1 (en) 2011-02-16 2016-02-09 Callas Enterprises Llc Combined mat and eas antenna
USD749062S1 (en) 2013-01-02 2016-02-09 Callas Enterprises Llc Combined floor mat and EAS antenna
RU2691602C2 (ru) * 2015-04-02 2019-06-14 Нтл С.Р.Л. Устройство радиочастотного обнаружения для защиты от кражи с использованием rfid и/или rfid/em

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US2226687A (en) * 1937-12-28 1940-12-31 Mackay Radio & Telegraph Compa Unidirectional v-type antenna system
US2349154A (en) * 1941-08-13 1944-05-16 Finch Telecommunications Inc Coaxial cable loop antenna
NL62600C (de) * 1942-10-02
US4115780A (en) * 1977-01-12 1978-09-19 Goodman David J Direction finding antenna system
NL7708012A (nl) * 1977-07-19 1979-01-23 Nedap Nv Detectiestelsel.
US4217591A (en) * 1978-09-20 1980-08-12 The United States Of America As Represented By The Secretary Of The Army High frequency roll-bar loop antenna
US4229742A (en) * 1979-06-18 1980-10-21 Orlando Rotunda Cubicle Quad antenna
US4251808A (en) * 1979-11-15 1981-02-17 Lichtblau G J Shielded balanced loop antennas for electronic security systems
US4373163A (en) * 1980-07-14 1983-02-08 I.D. Engineering, Inc. Loop antenna for security systems
US4494120A (en) * 1983-04-29 1985-01-15 Motorola, Inc. Two element low profile antenna
US4633250A (en) * 1985-01-07 1986-12-30 Allied Corporation Coplanar antenna for proximate surveillance systems
US4872018A (en) * 1987-08-31 1989-10-03 Monarch Marking Systems, Inc. Multiple loop antenna

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012008852U1 (de) 2012-09-17 2013-12-18 Checkpoint Systems, Inc. Antennenvorrichtung
US9461354B2 (en) 2012-09-17 2016-10-04 Checkpoint Systems, Inc. Single piece antenna device

Also Published As

Publication number Publication date
DK206790D0 (da) 1990-08-29
ES2020690A6 (es) 1991-09-01
FI97092B (fi) 1996-06-28
WO1990007803A1 (en) 1990-07-12
DE68921745D1 (de) 1995-04-20
MX170375B (es) 1993-08-18
EP0407532A1 (de) 1991-01-16
ATE120042T1 (de) 1995-04-15
CA2006749A1 (en) 1990-06-30
JPH03503110A (ja) 1991-07-11
AU620679B2 (en) 1992-02-20
DK206790A (da) 1990-08-29
EP0407532A4 (en) 1991-08-21
US5103235A (en) 1992-04-07
FI904232A0 (fi) 1990-08-27
EP0407532B1 (de) 1995-03-15
FI97092C (fi) 1996-10-10
AU4827590A (en) 1990-08-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee