DE69416632D1 - Antennenkonfiguration eines elektromagnetischen Detektierungssystems und ein derartiges System mit einer solchen Antennenkonfiguration - Google Patents

Antennenkonfiguration eines elektromagnetischen Detektierungssystems und ein derartiges System mit einer solchen Antennenkonfiguration

Info

Publication number
DE69416632D1
DE69416632D1 DE69416632T DE69416632T DE69416632D1 DE 69416632 D1 DE69416632 D1 DE 69416632D1 DE 69416632 T DE69416632 T DE 69416632T DE 69416632 T DE69416632 T DE 69416632T DE 69416632 D1 DE69416632 D1 DE 69416632D1
Authority
DE
Germany
Prior art keywords
antenna configuration
electromagnetic detection
detection system
antenna
configuration
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
DE69416632T
Other languages
English (en)
Other versions
DE69416632T2 (de
Inventor
Paulus Rebers
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.)
Nederlandsche Apparatenfabriek NEDAP NV
Original Assignee
Nederlandsche Apparatenfabriek NEDAP NV
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 Nederlandsche Apparatenfabriek NEDAP NV filed Critical Nederlandsche Apparatenfabriek NEDAP NV
Publication of DE69416632D1 publication Critical patent/DE69416632D1/de
Application granted granted Critical
Publication of DE69416632T2 publication Critical patent/DE69416632T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • G06K7/10346—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the far field type, e.g. HF types or dipoles
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Burglar Alarm Systems (AREA)
DE1994616632 1993-09-24 1994-09-23 Antennenkonfiguration eines elektromagnetischen Detektierungssystems und ein derartiges System mit einer solchen Antennenkonfiguration Expired - Lifetime DE69416632T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9301650A NL9301650A (nl) 1993-09-24 1993-09-24 Onafhankelijk antennestelsel voor detectiesystemen.

Publications (2)

Publication Number Publication Date
DE69416632D1 true DE69416632D1 (de) 1999-04-01
DE69416632T2 DE69416632T2 (de) 1999-10-14

Family

ID=19862918

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1994616632 Expired - Lifetime DE69416632T2 (de) 1993-09-24 1994-09-23 Antennenkonfiguration eines elektromagnetischen Detektierungssystems und ein derartiges System mit einer solchen Antennenkonfiguration

Country Status (3)

Country Link
EP (1) EP0645840B1 (de)
DE (1) DE69416632T2 (de)
NL (1) NL9301650A (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0829108B1 (de) * 1995-05-30 2007-03-28 Sensormatic Electronics Corporation Antennenanordnung für warenüberwachungssystem mit verbesserter abfragefeldverteilung
US5602556A (en) * 1995-06-07 1997-02-11 Check Point Systems, Inc. Transmit and receive loop antenna
US6570541B2 (en) 1998-05-18 2003-05-27 Db Tag, Inc. Systems and methods for wirelessly projecting power using multiple in-phase current loops
US6388628B1 (en) * 1998-05-18 2002-05-14 Db Tag, Inc. Systems and methods for wirelessly projecting power using in-phase current loops
FR2780220A1 (fr) 1998-06-22 1999-12-24 Sgs Thomson Microelectronics Transmission de donnees numeriques sur une ligne d'alimentation alternative
FR2780221B1 (fr) 1998-06-22 2000-09-29 Sgs Thomson Microelectronics Emission d'une consigne de fonctionnement par une ligne d'alimentation alternative
DE19831767C2 (de) * 1998-07-15 2002-03-28 Skidata Ag Durchgangskontrolleinrichtung für berührungslose Datenträger
NL1011673C2 (nl) * 1999-03-25 2000-09-27 Nedap Nv Draaiveld ontvanger voor magnetisch identificatiesysteem.
FR2792136B1 (fr) 1999-04-07 2001-11-16 St Microelectronics Sa Transmission en duplex dans un systeme de transpondeurs electromagnetiques
FR2792134B1 (fr) 1999-04-07 2001-06-22 St Microelectronics Sa Detection de distance entre un transpondeur electromagnetique et une borne
FR2792132B1 (fr) 1999-04-07 2001-11-02 St Microelectronics Sa Borne de lecture d'un transpondeur electromagnetique fonctionnant en couplage tres proche
US6650226B1 (en) 1999-04-07 2003-11-18 Stmicroelectronics S.A. Detection, by an electromagnetic transponder reader, of the distance separating it from a transponder
FR2792130B1 (fr) * 1999-04-07 2001-11-16 St Microelectronics Sa Transpondeur electromagnetique a fonctionnement en couplage tres proche
FR2792135B1 (fr) 1999-04-07 2001-11-02 St Microelectronics Sa Fonctionnement en complage tres proche d'un systeme a transpondeur electromagnetique
FR2796781A1 (fr) 1999-07-20 2001-01-26 St Microelectronics Sa Dimensionnement d'un systeme a transpondeur electromagnetique pour un fonctionnement en hyperproximite
FR2797123A1 (fr) * 1999-07-28 2001-02-02 Gemplus Card Int Systeme d'identification d'objets sur un convoyeur en mouvement
WO2001043056A1 (en) * 1999-12-08 2001-06-14 Db Tag, Inc. Systems and methods for wirelessly projecting power using multiple in-phase current loops
US6960984B1 (en) 1999-12-08 2005-11-01 University Of North Carolina Methods and systems for reactively compensating magnetic current loops
ES2302679T3 (es) * 2000-02-21 2008-08-01 N.V. Nederlandsche Apparatenfabriek Nedap Antena de un sistema de deteccion electromagnetico y sistema de deteccion electromagnetico que comprende dicha antena.
FR2808945B1 (fr) 2000-05-12 2002-08-16 St Microelectronics Sa Evaluation du nombre de transpondeurs electromagnetiques dans le champ d'un lecteur
FR2808946A1 (fr) 2000-05-12 2001-11-16 St Microelectronics Sa Validation de la presence d'un transpondeur electromagnetique dans le champ d'un lecteur
FR2808942B1 (fr) 2000-05-12 2002-08-16 St Microelectronics Sa Validation de la presence d'un transpondeur electromagnetique dans le champ d'un lecteur a demodulation de phase
FR2809235A1 (fr) 2000-05-17 2001-11-23 St Microelectronics Sa Antenne de generation d'un champ electromagnetique pour transpondeur
FR2809251B1 (fr) * 2000-05-17 2003-08-15 St Microelectronics Sa Dispositif de production d'un champ electromagnetique pour transpondeur
FR2812986B1 (fr) 2000-08-09 2002-10-31 St Microelectronics Sa Detection d'une signature electrique d'un transpondeur electromagnetique
US20030169169A1 (en) 2000-08-17 2003-09-11 Luc Wuidart Antenna generating an electromagnetic field for transponder
US6693557B2 (en) * 2001-09-27 2004-02-17 Wavetronix Llc Vehicular traffic sensor
WO2006020187A2 (en) 2004-07-16 2006-02-23 The University Of North Carolina At Chapel Hill Methods, systems and computer program products for full spectrum projection
US7432874B2 (en) 2004-07-22 2008-10-07 Feig Electronic Gmbh Antenna array
DE102004035621A1 (de) * 2004-07-22 2006-03-16 Feig Electronic Gmbh Antennenanordnung für grosse zusammenhängende Erfassungsräume
EP1717727A1 (de) * 2005-04-18 2006-11-02 IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A. RFID Signalsender und -empfänger
JP4688167B2 (ja) * 2006-08-31 2011-05-25 日本板硝子株式会社 リーダ用アンテナならびにアンテナ付き物品載置棚およびアンテナ付き物品載置台
WO2007099723A1 (ja) * 2006-03-02 2007-09-07 Nippon Sheet Glass Company, Limited リーダ用アンテナならびにアンテナ付き物品載置棚およびアンテナ付き物品載置台
EP2153491A2 (de) 2007-06-08 2010-02-17 Checkpoint Systems, Inc. Dynamisches detektionssystem und verfahren für elektronische warenüberwachung
US8933790B2 (en) 2007-06-08 2015-01-13 Checkpoint Systems, Inc. Phase coupler for rotating fields
FR3009382B1 (fr) * 2013-08-05 2015-08-21 Elettroniche Ind Automatismi S P A C E I A S P A Costruzioni Detecteur portatif de metal pour utilisation dans un controle d'acces
US10270293B2 (en) * 2014-07-29 2019-04-23 Qualcomm Technologies International, Ltd. Wireless charger with resonator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4633250A (en) * 1985-01-07 1986-12-30 Allied Corporation Coplanar antenna for proximate surveillance systems
US4999641A (en) * 1989-09-01 1991-03-12 Monarch Marking Systems, Inc. Magnetic antenna system having independently controllable electrical field shielding and magnetic field balance

Also Published As

Publication number Publication date
NL9301650A (nl) 1995-04-18
EP0645840A1 (de) 1995-03-29
DE69416632T2 (de) 1999-10-14
EP0645840B1 (de) 1999-02-24

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