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FR2938095B1 - Procede d'augmentation du gain d'une antenne planaire, notamment pour carte a microcircuit. - Google Patents

Procede d'augmentation du gain d'une antenne planaire, notamment pour carte a microcircuit.

Info

Publication number
FR2938095B1
FR2938095B1 FR0857459A FR0857459A FR2938095B1 FR 2938095 B1 FR2938095 B1 FR 2938095B1 FR 0857459 A FR0857459 A FR 0857459A FR 0857459 A FR0857459 A FR 0857459A FR 2938095 B1 FR2938095 B1 FR 2938095B1
Authority
FR
France
Prior art keywords
gain
increasing
planar antenna
microcircuit board
microcircuit
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
FR0857459A
Other languages
English (en)
Other versions
FR2938095A1 (fr
Inventor
Christophe Capitaine
Garrec Loic Le
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.)
Idemia France SAS
Original Assignee
Oberthur Technologies 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 Oberthur Technologies SA filed Critical Oberthur Technologies SA
Priority to FR0857459A priority Critical patent/FR2938095B1/fr
Publication of FR2938095A1 publication Critical patent/FR2938095A1/fr
Application granted granted Critical
Publication of FR2938095B1 publication Critical patent/FR2938095B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/526—Electromagnetic shields
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/22—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of a single substantially straight conductive element
    • 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

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Details Of Aerials (AREA)
FR0857459A 2008-11-03 2008-11-03 Procede d'augmentation du gain d'une antenne planaire, notamment pour carte a microcircuit. Expired - Fee Related FR2938095B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0857459A FR2938095B1 (fr) 2008-11-03 2008-11-03 Procede d'augmentation du gain d'une antenne planaire, notamment pour carte a microcircuit.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0857459A FR2938095B1 (fr) 2008-11-03 2008-11-03 Procede d'augmentation du gain d'une antenne planaire, notamment pour carte a microcircuit.

Publications (2)

Publication Number Publication Date
FR2938095A1 FR2938095A1 (fr) 2010-05-07
FR2938095B1 true FR2938095B1 (fr) 2012-12-21

Family

ID=40626653

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0857459A Expired - Fee Related FR2938095B1 (fr) 2008-11-03 2008-11-03 Procede d'augmentation du gain d'une antenne planaire, notamment pour carte a microcircuit.

Country Status (1)

Country Link
FR (1) FR2938095B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10198778A (ja) * 1997-01-14 1998-07-31 Rohm Co Ltd Ｉｃカード
CH691098A5 (fr) * 1997-03-24 2001-04-12 Em Microelectronic Marin Sa Structure monolithique de circuits intégrés et de bobine d'antenne, munie d'un anneau de protection périphérique.
ATE480843T1 (de) * 2001-04-30 2010-09-15 Neology Inc Identifikationsgegenstand mit einem transponder und einem unstetig metallisiertem, retroreflektivem oder holographischem bildfeld und verfahren zur herstellung eines solchen gegenstands
JP4114446B2 (ja) * 2002-09-13 2008-07-09 ソニー株式会社 アンテナ装置及びこれを用いた読み出し書き込み装置、情報処理装置、通信方法並びにアンテナ装置の製造方法
US7306163B2 (en) * 2004-12-14 2007-12-11 International Business Machines Corporation Smart card and method for its production

Also Published As

Publication number Publication date
FR2938095A1 (fr) 2010-05-07

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