DE69515472T2 - Antennenanordnung - Google Patents

Antennenanordnung

Info

Publication number
DE69515472T2
DE69515472T2 DE69515472T DE69515472T DE69515472T2 DE 69515472 T2 DE69515472 T2 DE 69515472T2 DE 69515472 T DE69515472 T DE 69515472T DE 69515472 T DE69515472 T DE 69515472T DE 69515472 T2 DE69515472 T2 DE 69515472T2
Authority
DE
Germany
Prior art keywords
pct
antenna
antenna arrangement
date oct
passageway
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
DE69515472T
Other languages
English (en)
Other versions
DE69515472D1 (de
Inventor
Douglas Finlayson
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.)
DeLaval Holding AB
Original Assignee
Alfa Laval Agri AB
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
Priority claimed from AUPM5125A external-priority patent/AUPM512594A0/en
Priority claimed from AUPM7087A external-priority patent/AUPM708794A0/en
Application filed by Alfa Laval Agri AB filed Critical Alfa Laval Agri AB
Publication of DE69515472D1 publication Critical patent/DE69515472D1/de
Application granted granted Critical
Publication of DE69515472T2 publication Critical patent/DE69515472T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/24Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402Electronic 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
    • G08B13/2465Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468Antenna in system and the related signal processing
    • G08B13/2474Antenna or antenna activator geometry, arrangement or layout
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Geology (AREA)
  • Computer Security & Cryptography (AREA)
  • Automation & Control Theory (AREA)
  • Environmental & Geological Engineering (AREA)
  • Signal Processing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Near-Field Transmission Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
  • Waveguide Aerials (AREA)
  • Building Environments (AREA)
  • Support Of Aerials (AREA)
DE69515472T 1994-04-18 1995-04-18 Antennenanordnung Expired - Fee Related DE69515472T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPM5125A AUPM512594A0 (en) 1994-04-18 1994-04-18 Antenna
AUPM7087A AUPM708794A0 (en) 1994-07-27 1994-07-27 Antenna
PCT/AU1995/000218 WO1995028748A1 (en) 1994-04-18 1995-04-18 Antenna arrangement

Publications (2)

Publication Number Publication Date
DE69515472D1 DE69515472D1 (de) 2000-04-13
DE69515472T2 true DE69515472T2 (de) 2000-09-07

Family

ID=25644662

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69515472T Expired - Fee Related DE69515472T2 (de) 1994-04-18 1995-04-18 Antennenanordnung

Country Status (9)

Country Link
US (1) US6043792A (de)
EP (1) EP0756763B1 (de)
AT (1) ATE190431T1 (de)
CA (1) CA2188136C (de)
DE (1) DE69515472T2 (de)
DK (1) DK0756763T3 (de)
ES (1) ES2145909T3 (de)
NZ (1) NZ283706A (de)
WO (1) WO1995028748A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2797123A1 (fr) * 1999-07-28 2001-02-02 Gemplus Card Int Systeme d'identification d'objets sur un convoyeur en mouvement
US6300914B1 (en) * 1999-08-12 2001-10-09 Apti, Inc. Fractal loop antenna
US6356243B1 (en) * 2000-07-19 2002-03-12 Logitech Europe S.A. Three-dimensional geometric space loop antenna
US8321302B2 (en) * 2002-01-23 2012-11-27 Sensormatic Electronics, LLC Inventory management system
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
GB0223835D0 (en) 2002-10-12 2002-11-20 Eastman Kodak Co Method of making a material
US6861993B2 (en) * 2002-11-25 2005-03-01 3M Innovative Properties Company Multi-loop antenna for radio-frequency identification
EP1601994A1 (de) * 2003-02-18 2005-12-07 Tagsys SA System zur minimierung von kopplungsnullstellen in einem elektromagnetischen feld
US7339120B2 (en) * 2003-06-26 2008-03-04 Matsushita Electric Industrial Co., Ltd. Electromagnetic wave shield
JP2005102101A (ja) * 2003-09-01 2005-04-14 Matsushita Electric Ind Co Ltd ゲートアンテナ装置
US20050140564A1 (en) * 2003-10-29 2005-06-30 Matsushita Electric Industrial Co., Ltd. Loop antenna
US7421245B2 (en) * 2004-02-20 2008-09-02 3M Innovative Properties Company Field-shaping shielding for radio frequency identification (RFID) system
US7417599B2 (en) * 2004-02-20 2008-08-26 3M Innovative Properties Company Multi-loop antenna for radio frequency identification (RFID) communication
US7268687B2 (en) * 2004-03-23 2007-09-11 3M Innovative Properties Company Radio frequency identification tags with compensating elements
US7132946B2 (en) * 2004-04-08 2006-11-07 3M Innovative Properties Company Variable frequency radio frequency identification (RFID) tags
US7352338B2 (en) * 2004-07-21 2008-04-01 Motorola, Inc. Wideband antenna with reduced dielectric loss
NO20140060A1 (no) * 2014-01-17 2015-07-20 Trac Id Systems As Antenne for deteksjon av RFID-brikker

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1958886A (en) * 1928-07-11 1934-05-15 Westinghouse Electric & Mfg Co Radio transmission system
US4135183A (en) * 1977-05-24 1979-01-16 Minnesota Mining And Manufacturing Company Antipilferage system utilizing "figure-8" shaped field producing and detector coils
CA1138955A (en) * 1979-09-14 1983-01-04 Edward R. Fearon Anti-shoplifting system
SE8404876L (sv) * 1984-09-28 1986-05-21 Bengt Larsson Identifieringssystem
US4972198A (en) * 1987-08-31 1990-11-20 Monarch Marking Systems, Inc. Multiple loop antenna
NL9100109A (nl) * 1991-01-23 1992-08-17 Texas Instruments Holland Ondervraagstation voor te identificeren objecten.
US5440296A (en) * 1993-04-29 1995-08-08 Minnesota Mining And Manufacturing Company Coil assembly for electronic article surveillance system

Also Published As

Publication number Publication date
ATE190431T1 (de) 2000-03-15
EP0756763A4 (de) 1997-06-25
DK0756763T3 (da) 2000-06-13
DE69515472D1 (de) 2000-04-13
CA2188136A1 (en) 1995-10-26
EP0756763A1 (de) 1997-02-05
CA2188136C (en) 2002-12-31
NZ283706A (en) 1997-02-24
US6043792A (en) 2000-03-28
WO1995028748A1 (en) 1995-10-26
ES2145909T3 (es) 2000-07-16
EP0756763B1 (de) 2000-03-08

Similar Documents

Publication Publication Date Title
DK0756763T3 (da) Antennearrangement
EP0623653A3 (de) Wässrige Polyoxyalkylene Oberflachenbehandlungslösungen.
EP0677295A4 (de) Liposom mit oligosaccharid auf der oberfläche.
ITBO930422A0 (it) Unita' per la lavorazione di pezzi in legno.
IT1292576B1 (it) Impianto per la definizione e la realizzazione di pannelli in legno per l'arredamento.
DE59506783D1 (de) Elektromagnetisch betätigbares ventil
TR28822A (tr) Odun hamuru tabakasi ufalanmasinda iyilestirme.
DE59406220D1 (de) Elektromagnetisch betätigbares ventil
ITTO920516A0 (it) Procedimento ed apparecchiatura per la rpoduzione, in particolare domestica, di bevande.
ITTO950071A0 (it) Procedimento e macchina per la produzione di pannelli di lamiera.
McGrath-Champ Employee relations in the construction industry
RU97102875A (ru) Способ лечения хронического гастрита с пониженной секрецией
ITTO930277A0 (it) Macchina per la formazione di mazzette di segnature e simili articoli.
IT9002941A0 (it) Macchina contornatrice e profilatrice per prodotti in lastra e simili.
FI98451B (fi) Sovitelma arkkileikkurin luovutuspään yhteydessä
IT1295377B1 (it) Dispositivo di profilatura per la lavorazione dei bordi di pannelli e macchina provvista di detto dispositivo
AU113293S (en) Corner jamb
ITMI931126A1 (it) Metodo per umidificare tessuto, carta ed altro in forma di rotoli, laminati e simili ed apparecchiatura che realizza tale metodo
ITBO970282A0 (it) Macchina per la lavorazione di finitura di spigoli, bordi o simili.
IT1296977B1 (it) Procedimento e macchina per sagomare i bordi di pezzi calandrati
DE69717996D1 (de) Methode und vorrichtung für das umhüllen von matratzen
IT9084939A0 (it) Procedimento e macchina per l'applicazione di laminati di rinforzo su filagne in marmo o similari.
IT1279695B1 (it) Pressore per pannelli truciolari e simili avente la pressione uniformemente distribuita lungo tutta la linea di taglio
ES1029465Y (es) Tablero subdivisible aplicable en juegos de mesa.
AU122997S (en) Resuscitator case liner

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DELAVAL HOLDING AB, TUMBA, SE

8339 Ceased/non-payment of the annual fee