FR2784524B1 - Antenne perfectionnee, notamment pour un lecteur de badge sans contact - Google Patents

Antenne perfectionnee, notamment pour un lecteur de badge sans contact

Info

Publication number
FR2784524B1
FR2784524B1 FR9812748A FR9812748A FR2784524B1 FR 2784524 B1 FR2784524 B1 FR 2784524B1 FR 9812748 A FR9812748 A FR 9812748A FR 9812748 A FR9812748 A FR 9812748A FR 2784524 B1 FR2784524 B1 FR 2784524B1
Authority
FR
France
Prior art keywords
contact
improved antenna
badge reader
badge
reader
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
FR9812748A
Other languages
English (en)
Other versions
FR2784524A1 (fr
Inventor
Jean Pierre Dubost
Vincent Petit
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.)
Thales SA
Original Assignee
Dassault Electronique SA
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 Dassault Electronique SA filed Critical Dassault Electronique SA
Priority to FR9812748A priority Critical patent/FR2784524B1/fr
Publication of FR2784524A1 publication Critical patent/FR2784524A1/fr
Application granted granted Critical
Publication of FR2784524B1 publication Critical patent/FR2784524B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06K7/10336—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 near field type, inductive coil
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/22—Capacitive coupling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
FR9812748A 1998-10-12 1998-10-12 Antenne perfectionnee, notamment pour un lecteur de badge sans contact Expired - Fee Related FR2784524B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9812748A FR2784524B1 (fr) 1998-10-12 1998-10-12 Antenne perfectionnee, notamment pour un lecteur de badge sans contact

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9812748A FR2784524B1 (fr) 1998-10-12 1998-10-12 Antenne perfectionnee, notamment pour un lecteur de badge sans contact

Publications (2)

Publication Number Publication Date
FR2784524A1 FR2784524A1 (fr) 2000-04-14
FR2784524B1 true FR2784524B1 (fr) 2006-07-07

Family

ID=9531442

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9812748A Expired - Fee Related FR2784524B1 (fr) 1998-10-12 1998-10-12 Antenne perfectionnee, notamment pour un lecteur de badge sans contact

Country Status (1)

Country Link
FR (1) FR2784524B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1286477A1 (fr) * 2001-08-06 2003-02-26 EM Microelectronic-Marin SA Récepteur portable à deux antennes
DE60123091T2 (de) * 2001-12-28 2007-04-05 Em Microelectronic-Marin S.A. Tragbarer Empfänger mit zwei Antennen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373163A (en) * 1980-07-14 1983-02-08 I.D. Engineering, Inc. Loop antenna for security systems
US4652888A (en) * 1982-05-10 1987-03-24 Rockwell International Corporation Miniature tactical HF antenna
ES2122209T3 (es) * 1993-07-13 1998-12-16 Actron Entwicklungs Ag Dispositivo de antena.
US5574470A (en) * 1994-09-30 1996-11-12 Palomar Technologies Corporation Radio frequency identification transponder apparatus and method
EP0704928A3 (fr) * 1994-09-30 1998-08-05 HID Corporation Système transpondeur radiofréquence avec interrogation à résonance parallèle et réponse à résonance en série
JP3528367B2 (ja) * 1995-09-30 2004-05-17 ソニーケミカル株式会社 リーダ・ライタ用アンテナ

Also Published As

Publication number Publication date
FR2784524A1 (fr) 2000-04-14

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20140630