JP2009010909A - アンテナ - Google Patents
アンテナ Download PDFInfo
- Publication number
- JP2009010909A JP2009010909A JP2007306655A JP2007306655A JP2009010909A JP 2009010909 A JP2009010909 A JP 2009010909A JP 2007306655 A JP2007306655 A JP 2007306655A JP 2007306655 A JP2007306655 A JP 2007306655A JP 2009010909 A JP2009010909 A JP 2009010909A
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- polarization
- tag
- simulation
- 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.)
- Granted
Links
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Classifications
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- 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
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
- H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
Abstract
【解決手段】上述の課題を解決するため、この発明のアンテナ1は、十字の形状を形成するように周回する導線2を有するものであり、中心部より外部へ突き出している2本の線分が直角をなしている箇所が周回経路中に含まれており、この部分によってアンテナ1は、全方向における電波の送受信が行え、さらに、円偏波特性を有する。
【選択図】図1
Description
2,3 導線
4.給電点
Claims (3)
- 十字の形状を形成するように周回する導線を有するアンテナ。
- 十字の形状を形成する周回をうずまき状に複数回有する請求項1に記載のアンテナ。
- 中心部に給電部を有する請求項2に記載のアンテナ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007306655A JP5320635B2 (ja) | 2007-05-31 | 2007-11-27 | アンテナ |
US12/602,126 US8570230B2 (en) | 2007-05-31 | 2008-02-29 | Antenna |
PCT/JP2008/000401 WO2008146430A1 (ja) | 2007-05-31 | 2008-02-29 | アンテナ |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007144379 | 2007-05-31 | ||
JP2007144379 | 2007-05-31 | ||
JP2007306655A JP5320635B2 (ja) | 2007-05-31 | 2007-11-27 | アンテナ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009010909A true JP2009010909A (ja) | 2009-01-15 |
JP5320635B2 JP5320635B2 (ja) | 2013-10-23 |
Family
ID=40325483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007306655A Expired - Fee Related JP5320635B2 (ja) | 2007-05-31 | 2007-11-27 | アンテナ |
Country Status (2)
Country | Link |
---|---|
US (1) | US8570230B2 (ja) |
JP (1) | JP5320635B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012029639A1 (ja) * | 2010-09-01 | 2012-03-08 | 国立大学法人愛媛大学 | アンテナ |
JP2013042364A (ja) * | 2011-08-16 | 2013-02-28 | National Institute Of Advanced Industrial & Technology | 通信機器、鳥インフルエンザ監視システム |
WO2014126040A2 (ja) * | 2013-02-12 | 2014-08-21 | 国立大学法人 愛媛大学 | ループアンテナ |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10171133B1 (en) | 2018-02-20 | 2019-01-01 | Automated Assembly Corporation | Transponder arrangement |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001175960A (ja) * | 1999-12-17 | 2001-06-29 | Miyake:Kk | 小型平面アンテナ及びicタグ |
JP2002109497A (ja) * | 2000-10-04 | 2002-04-12 | Dainippon Printing Co Ltd | 非接触式データキャリアおよびその組合体 |
JP2004312431A (ja) * | 2003-04-08 | 2004-11-04 | Yoshikawa Rf System Kk | アンテナ装置 |
JP2006522517A (ja) * | 2003-04-02 | 2006-09-28 | アエスカ エス.ア. | 対象物上に配置されるチップカード用の非接触読取システム |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2584872B1 (fr) * | 1985-07-09 | 1987-11-20 | Europ Agence Spatiale | Antenne plate a large bande a polarisation circulaire, utilisations d'une telle antenne, applications, et procede de fabrication |
US5289198A (en) * | 1992-08-21 | 1994-02-22 | The United States Of America As Represented By The Secretary Of The Air Force | Double-folded monopole |
US5909050A (en) * | 1997-09-15 | 1999-06-01 | Microchip Technology Incorporated | Combination inductive coil and integrated circuit semiconductor chip in a single lead frame package and method therefor |
US7334734B2 (en) * | 2000-01-27 | 2008-02-26 | Hitachi Maxwell, Ltd. | Non-contact IC module |
DE50307071D1 (de) * | 2002-12-23 | 2007-05-31 | Huber+Suhner Ag | Breitband-Antenne mit einem 3-dimensionalen Gussteil |
-
2007
- 2007-11-27 JP JP2007306655A patent/JP5320635B2/ja not_active Expired - Fee Related
-
2008
- 2008-02-29 US US12/602,126 patent/US8570230B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001175960A (ja) * | 1999-12-17 | 2001-06-29 | Miyake:Kk | 小型平面アンテナ及びicタグ |
JP2002109497A (ja) * | 2000-10-04 | 2002-04-12 | Dainippon Printing Co Ltd | 非接触式データキャリアおよびその組合体 |
JP2006522517A (ja) * | 2003-04-02 | 2006-09-28 | アエスカ エス.ア. | 対象物上に配置されるチップカード用の非接触読取システム |
JP2004312431A (ja) * | 2003-04-08 | 2004-11-04 | Yoshikawa Rf System Kk | アンテナ装置 |
Non-Patent Citations (1)
Title |
---|
JPN6012066063; M.R.Chaharmir, J.Shaker, M.Cuhaci and A.Ittipiboon: 'Broadband reflectarray antenna with double cross loops' Electronics Letters Vol.42, No.2, 2006, pp.65 - 66, The Institution of Engineering and Technology * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012029639A1 (ja) * | 2010-09-01 | 2012-03-08 | 国立大学法人愛媛大学 | アンテナ |
US9281563B2 (en) | 2010-09-01 | 2016-03-08 | National University Corporation Ehime University | Antenna |
JP2013042364A (ja) * | 2011-08-16 | 2013-02-28 | National Institute Of Advanced Industrial & Technology | 通信機器、鳥インフルエンザ監視システム |
WO2014126040A2 (ja) * | 2013-02-12 | 2014-08-21 | 国立大学法人 愛媛大学 | ループアンテナ |
WO2014126040A3 (ja) * | 2013-02-12 | 2014-11-13 | 国立大学法人 愛媛大学 | ループアンテナ |
JPWO2014126040A1 (ja) * | 2013-02-12 | 2017-02-02 | 国立大学法人愛媛大学 | ループアンテナ |
Also Published As
Publication number | Publication date |
---|---|
US8570230B2 (en) | 2013-10-29 |
US20100164820A1 (en) | 2010-07-01 |
JP5320635B2 (ja) | 2013-10-23 |
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