DK206790A - Antennekonstruktion til et elektronisk vareovervaagningsanlaeg - Google Patents

Antennekonstruktion til et elektronisk vareovervaagningsanlaeg Download PDF

Info

Publication number
DK206790A
DK206790A DK206790A DK206790A DK206790A DK 206790 A DK206790 A DK 206790A DK 206790 A DK206790 A DK 206790A DK 206790 A DK206790 A DK 206790A DK 206790 A DK206790 A DK 206790A
Authority
DK
Denmark
Prior art keywords
loop
lead
electronic product
product monitoring
antenna construction
Prior art date
Application number
DK206790A
Other languages
English (en)
Other versions
DK206790D0 (da
Inventor
Thomas G Clemens
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 DK206790A publication Critical patent/DK206790A/da
Publication of DK206790D0 publication Critical patent/DK206790D0/da

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00Loop 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
    • H01Q7/04Screened antennas

Landscapes

  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Forklifts And Lifting Vehicles (AREA)
DK206790A 1988-12-30 1990-08-29 Antennekonstruktion til et elektronisk vareovervaagningsanlaeg DK206790D0 (da)

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
DK206790A true DK206790A (da) 1990-08-29
DK206790D0 DK206790D0 (da) 1990-08-29

Family

ID=23124336

Family Applications (1)

Application Number Title Priority Date Filing Date
DK206790A DK206790D0 (da) 1988-12-30 1990-08-29 Antennekonstruktion til et elektronisk vareovervaagningsanlaeg

Country Status (12)

Country Link
US (1) US5103235A (da)
EP (1) EP0407532B1 (da)
JP (1) JPH03503110A (da)
AT (1) ATE120042T1 (da)
AU (1) AU620679B2 (da)
CA (1) CA2006749A1 (da)
DE (1) DE68921745T2 (da)
DK (1) DK206790D0 (da)
ES (1) ES2020690A6 (da)
FI (1) FI97092C (da)
MX (1) MX170375B (da)
WO (1) WO1990007803A1 (da)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5602556A (en) * 1995-06-07 1997-02-11 Check Point Systems, Inc. Transmit and receive loop antenna
US5798693A (en) * 1995-06-07 1998-08-25 Engellenner; Thomas J. Electronic locating systems
US5653192A (en) * 1996-03-06 1997-08-05 Alfa Laval Agri Inc. Livestock identification apparatus
EP0892969A4 (en) * 1996-04-10 2000-12-06 Sentry Technology Corp ELECTRONIC GOODS MONITORING 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
JP4035446B2 (ja) * 2001-05-04 2008-01-23 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 固定式データキャリアとの通信用のコイル構造を有する通信装置
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
US6783072B2 (en) * 2002-02-01 2004-08-31 Psc Scanning, Inc. Combined data reader and electronic article surveillance (EAS) system
DE60336771D1 (de) * 2002-02-01 2011-05-26 Datalogic Scanning Inc System und Verfahren zum Datenlesen und EAS-Etikett-Erfassen und -Deaktivieren an der Kasse
US6854647B2 (en) * 2002-02-01 2005-02-15 Ncr Corporation Checkout device including integrated barcode reader, scale, and EAS system
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
EP1629443A4 (en) * 2003-05-23 2009-04-01 Symbol Technologies Inc RFID RELAY DEVICE AND METHOD FOR TRANSMITTING AN RFID SIGNAL
DE602005005983T2 (de) * 2004-04-28 2009-06-10 Checkpoint Systems, Inc. Elektronisches artikelverfolgungssystem für ein kaufhausregal mit einer schleifenantenne
EP1807787A4 (en) * 2004-11-04 2008-05-21 Prec Dynamics Corp BARCODE READER COMBINED WITH A RADIO FREQUENCY LABEL READER WITH FIELD INTERPRETATION MATRIX
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
EP2327230B1 (en) 2008-09-04 2013-03-27 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
US8493185B2 (en) * 2009-10-09 2013-07-23 Aleis Pty Ltd Radio frequency identification reader antenna having a dynamically adjustable Q-factor
EP2497152B1 (en) * 2009-11-04 2020-01-01 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
USD715274S1 (en) * 2011-02-16 2014-10-14 Callas Enterprises, LLC Combined mat and EAS antenna
USD749063S1 (en) 2011-02-16 2016-02-09 Callas Enterprises Llc Combined mat and eas antenna
DE202012008852U1 (de) 2012-09-17 2013-12-18 Checkpoint Systems, Inc. Antennenvorrichtung
USD749062S1 (en) 2013-01-02 2016-02-09 Callas Enterprises Llc Combined floor mat and EAS antenna
JP6613360B2 (ja) * 2015-04-02 2019-11-27 エンネティエッレ エッセ.エッレ.エッレ. Rfid方式および/またはrfid/em方式の盗難防止無線周波数検出装置
WO2023156822A1 (en) * 2022-02-18 2023-08-24 Sato Holdings Corporation Radio-frequency identification reader

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (da) * 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

Also Published As

Publication number Publication date
FI97092C (fi) 1996-10-10
FI904232A0 (fi) 1990-08-27
DE68921745T2 (de) 1995-08-10
EP0407532A1 (en) 1991-01-16
JPH03503110A (ja) 1991-07-11
US5103235A (en) 1992-04-07
CA2006749A1 (en) 1990-06-30
DE68921745D1 (de) 1995-04-20
ES2020690A6 (es) 1991-09-01
EP0407532B1 (en) 1995-03-15
ATE120042T1 (de) 1995-04-15
EP0407532A4 (en) 1991-08-21
WO1990007803A1 (en) 1990-07-12
FI97092B (fi) 1996-06-28
MX170375B (es) 1993-08-18
AU4827590A (en) 1990-08-01
DK206790D0 (da) 1990-08-29
AU620679B2 (en) 1992-02-20

Similar Documents

Publication Publication Date Title
DK206790A (da) Antennekonstruktion til et elektronisk vareovervaagningsanlaeg
ATE163789T1 (de) Periodisches pulsdiskriminierungssystem
DE3175860D1 (en) Coded information arrangement
MY109809A (en) Detection of multiple articles
NO882971L (no) Elektronisk identifikasjonssystem.
EP0323041A3 (en) Infant security system
EP0382544A3 (en) Alarm system utilizing wireless communication path
EP0905656A3 (en) Electronic monitoring device and monitoring system including same
NO801465L (no) Fremgangsmaate og anordning for paavisning av en elektromagnetisk transponder i en overvaakningssone
DE68924161D1 (de) Fernsteuerung.
DE69905183T2 (de) Räumliche trenn- oder annäherungswarnvorrictung über oder unter einem vorbestim-mten limit
CA2041616A1 (en) Electronic article surveillance system with antenna array for enhanced field falloff
SE8301729D0 (sv) Larmsystem
CA2020951A1 (en) Interfering signal rejection circuitry and electronic article surveillance system and method employing same
FR2351461A1 (fr) Dispositif d'avertissement
KR880700978A (ko) 원격 감시용 장치
GB723815A (en) Improvements in piezo-electric systems including a passive responder unit
AR042570A1 (es) Aparato y sistema para monitorear articulos
GB1520196A (en) Alarm and theft prevention apparatus
CA2075991A1 (en) Security system for surveilling the passage of commodities through defined zones
DE3783964D1 (de) Einrichtung zur freund-feind-identifikation.
ATE87385T1 (de) Sicherheitssystem mit funkelektrischer uebertragung.
EP0376574A3 (en) Franking system
GB1186673A (en) Improvements in or relating to Systems for Detecting the Presence of Objects in a Monitored Area
JPS6453298A (en) Plant abnormality alarming display device

Legal Events

Date Code Title Description
AHB Application shelved due to non-payment