ATE190431T1 - Antennenanordnung - Google Patents

Antennenanordnung

Info

Publication number
ATE190431T1
ATE190431T1 AT95915078T AT95915078T ATE190431T1 AT E190431 T1 ATE190431 T1 AT E190431T1 AT 95915078 T AT95915078 T AT 95915078T AT 95915078 T AT95915078 T AT 95915078T AT E190431 T1 ATE190431 T1 AT E190431T1
Authority
AT
Austria
Prior art keywords
pct
antenna
antenna arrangement
date oct
passageway
Prior art date
Application number
AT95915078T
Other languages
English (en)
Inventor
John Douglas Frank Finlayson
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
Application granted granted Critical
Publication of ATE190431T1 publication Critical patent/ATE190431T1/de

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric 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
    • G01V3/10—Electric 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
    • 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

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)
  • Waveguide Aerials (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
  • Building Environments (AREA)
AT95915078T 1994-04-18 1995-04-18 Antennenanordnung ATE190431T1 (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 (1)

Publication Number Publication Date
ATE190431T1 true ATE190431T1 (de) 2000-03-15

Family

ID=25644662

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95915078T ATE190431T1 (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
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
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
WO2004074873A1 (en) * 2003-02-18 2004-09-02 Tagsys Sa System for minimizing coupling nulls within an electromagnetic field
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
DE69515472D1 (de) 2000-04-13
EP0756763A1 (de) 1997-02-05
ES2145909T3 (es) 2000-07-16
US6043792A (en) 2000-03-28
EP0756763A4 (de) 1997-06-25
EP0756763B1 (de) 2000-03-08
DK0756763T3 (da) 2000-06-13
DE69515472T2 (de) 2000-09-07
CA2188136C (en) 2002-12-31
WO1995028748A1 (en) 1995-10-26
NZ283706A (en) 1997-02-24
CA2188136A1 (en) 1995-10-26

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee