JP2011519251A - アンテナ及びアンテナを作成する方法 - Google Patents
アンテナ及びアンテナを作成する方法 Download PDFInfo
- Publication number
- JP2011519251A JP2011519251A JP2011507580A JP2011507580A JP2011519251A JP 2011519251 A JP2011519251 A JP 2011519251A JP 2011507580 A JP2011507580 A JP 2011507580A JP 2011507580 A JP2011507580 A JP 2011507580A JP 2011519251 A JP2011519251 A JP 2011519251A
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- JP
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- Prior art keywords
- antenna
- loop
- array
- conductors
- reflector
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
-
- 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
- H01Q19/10—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 reflecting surfaces
- H01Q19/12—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 reflecting surfaces wherein the surfaces are concave
- H01Q19/13—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 reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
-
- 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
- H01Q21/061—Two dimensional planar arrays
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49016—Antenna or wave energy "plumbing" making
Landscapes
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
寄生ドライバブルアンテナ素子のアレイを規定する複数のループ状導電体を含む平坦なリフレクタと、
前記平坦なリフレクタから隔てられ、前記寄生ドライバブルアンテナ素子の前記アレイを寄生駆動し、該アレイにおいて進行波の電流分布を与える円偏波アンテナ給電部と
を有するアンテナである。
Efficiency Microwave Reflector Antennas”,P.Clarricoats and G.Poulton,Proc.Of the IEEE,Vol65,No.10,Oct.1975)。ワイヤ要素の場合における本発明によるゲインは、G=3.6+10Log10(N)に近づき、Nは全波ループ素子の総数であり、Gの単位はdBiである。
John Kraus, 2nd Edition, Chap.13に記載されている。)。RF電流は、回折に起因して、大きな固体導電体構造の縁(エッジ)に沿って流れる傾向がある。
Claims (10)
- 寄生ドライバブルアンテナ素子のアレイを規定する複数のループ状導電体を含む平坦なリフレクタと、
前記平坦なリフレクタから隔てられ、前記寄生ドライバブルアンテナ素子の前記アレイを寄生駆動し、該アレイにおいて進行波の電流分布を与える円偏波アンテナ給電部と
を有するアンテナ。 - 前記ループ状導電体の各々が、円形の導電体により形成されている、請求項1記載のアンテナ。
- 前記ループ状導電体の各々が、ワイヤにより形成されている、請求項1記載のアンテナ。
- 前記ループ状導電体の各々が、少なくとも1つの印刷された導体トレース及び金属リングにより形成されている、請求項1記載のアンテナ。
- 前記ループ状導電体の各々が、固体の導電体ディスクにより形成されている、請求項1記載のアンテナ。
- 前記平坦なリフレクタが、複数の円形の穴を含む導電性のシートを含み、前記ループ状導電体の各々は、1つの前記円形の穴の外周により規定される、請求項1記載のアンテナ。
- 寄生ドライバブルアンテナ素子のアレイを規定する複数のループ状導電体を含む平坦なリフレクタを形成し、
前記平坦なリフレクタに隣接して円偏波アンテナ給電部を設け、寄生ドライバブルアンテナ素子の前記アレイを寄生駆動し、該アレイにおいて進行波の電流分布を与えるステップと
を有する、アンテナを作成する方法。 - 前記平坦なリフレクタを形成する際、前記ループ状導電体の各々を、円形の導電体として形成する、請求項7記載の方法。
- 前記平坦なリフレクタを形成する際、前記ループ状導電体の各々を、ワイヤ、印刷された導電性トレース、金属リング及び固体の導電性ディスクの内の少なくとも1つとして形成する、請求項7記載の方法。
- 前記平坦なリフレクタを形成する際、電気的に導電性のシートに複数の円形の穴を形成し、前記ループ状導電体の各々は、1つの前記円形の穴の外周により規定される、請求項7記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/110,617 | 2008-04-28 | ||
US12/110,617 US8368608B2 (en) | 2008-04-28 | 2008-04-28 | Circularly polarized loop reflector antenna and associated methods |
PCT/US2009/041958 WO2009134787A1 (en) | 2008-04-28 | 2009-04-28 | Circularly polarized loop reflector antenna and associated methods |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2011519251A true JP2011519251A (ja) | 2011-06-30 |
Family
ID=40668266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011507580A Ceased JP2011519251A (ja) | 2008-04-28 | 2009-04-28 | アンテナ及びアンテナを作成する方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8368608B2 (ja) |
EP (1) | EP2272129A1 (ja) |
JP (1) | JP2011519251A (ja) |
KR (1) | KR101307113B1 (ja) |
CA (1) | CA2721438C (ja) |
TW (1) | TWI412175B (ja) |
WO (1) | WO2009134787A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017005454A (ja) * | 2015-06-09 | 2017-01-05 | 日本電信電話株式会社 | アンテナ装置およびアンテナ設計方法 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5050084B2 (ja) * | 2010-08-26 | 2012-10-17 | 日本電業工作株式会社 | アンテナ |
KR101306787B1 (ko) * | 2012-02-09 | 2013-09-10 | 연세대학교 산학협력단 | 다종의 반사부를 포함하는 리플렉트어레이 안테나 및 이의 설계 방법 |
US9614292B2 (en) | 2013-03-01 | 2017-04-04 | Honeywell International Inc. | Circularly polarized antenna |
KR102126494B1 (ko) | 2014-06-09 | 2020-06-24 | 한국전자통신연구원 | 원형 배열 안테나 |
CN104900997A (zh) * | 2015-05-04 | 2015-09-09 | 南京信息工程大学 | 一种微带阵列圆极化聚焦天线 |
US10042095B2 (en) * | 2015-07-30 | 2018-08-07 | Raytheon Company | Dual mode optical and RF reflector |
CN106058479B (zh) * | 2016-05-20 | 2019-05-03 | 上海师范大学 | 空间压缩的薄平面反射器天线的设计方法 |
US10530054B2 (en) * | 2017-11-01 | 2020-01-07 | Searete Llc | Aperture efficiency enhancements using holographic and quasi-optical beam shaping lenses |
CN109509984B (zh) * | 2018-12-29 | 2023-11-28 | 西安恒达微波技术开发有限公司 | 一种应用于目标跟踪的单脉冲变极化系统 |
EP3989362A4 (en) * | 2019-06-20 | 2022-08-10 | NEC Corporation | ANTENNA DEVICE AND DESIGN METHOD THEREOF |
CN112467399B (zh) * | 2020-11-18 | 2021-12-28 | 厦门大学 | 正馈激励多频点新型圆极化毫米波宽带平面反射阵列天线 |
CN115064866A (zh) * | 2022-05-24 | 2022-09-16 | 中国人民解放军海军工程大学 | 一种产生高纯度涡旋波的圆极化天线阵列 |
CN116435761B (zh) * | 2023-06-14 | 2024-02-06 | 南京邮电大学 | 双圆极化反射阵天线及其辐射波束独立控制方法 |
Citations (7)
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JPH05191136A (ja) * | 1992-01-14 | 1993-07-30 | Arimura Giken Kk | 平面型位相補償レンズアンテナ |
JPH05315826A (ja) * | 1990-07-10 | 1993-11-26 | Agence Spatiale Europ | 周波数変動により走査されるアンテナ |
JP2002223116A (ja) * | 2001-01-25 | 2002-08-09 | Asahi Glass Co Ltd | 電波収束・偏向体およびアンテナ装置 |
JP2005504474A (ja) * | 2001-09-27 | 2005-02-10 | レイセオン・カンパニー | 平坦な反射装置 |
JP2005184012A (ja) * | 2003-05-28 | 2005-07-07 | Nitta Ind Corp | 電磁波吸収体 |
WO2007052112A1 (en) * | 2005-11-03 | 2007-05-10 | Centre National De La Recherche Scientifique (C.N.R.S.) | A reflectarray and a millimetre wave radar |
JP2008035461A (ja) * | 2006-07-28 | 2008-02-14 | Tatung Co | マイクロストリップ反射アレイアンテナ |
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2008
- 2008-04-28 US US12/110,617 patent/US8368608B2/en active Active
-
2009
- 2009-04-27 TW TW098113893A patent/TWI412175B/zh not_active IP Right Cessation
- 2009-04-28 WO PCT/US2009/041958 patent/WO2009134787A1/en active Application Filing
- 2009-04-28 JP JP2011507580A patent/JP2011519251A/ja not_active Ceased
- 2009-04-28 CA CA2721438A patent/CA2721438C/en active Active
- 2009-04-28 KR KR1020107025355A patent/KR101307113B1/ko not_active IP Right Cessation
- 2009-04-28 EP EP09739589A patent/EP2272129A1/en not_active Withdrawn
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JPH05315826A (ja) * | 1990-07-10 | 1993-11-26 | Agence Spatiale Europ | 周波数変動により走査されるアンテナ |
JPH05191136A (ja) * | 1992-01-14 | 1993-07-30 | Arimura Giken Kk | 平面型位相補償レンズアンテナ |
JP2002223116A (ja) * | 2001-01-25 | 2002-08-09 | Asahi Glass Co Ltd | 電波収束・偏向体およびアンテナ装置 |
JP2005504474A (ja) * | 2001-09-27 | 2005-02-10 | レイセオン・カンパニー | 平坦な反射装置 |
JP2005184012A (ja) * | 2003-05-28 | 2005-07-07 | Nitta Ind Corp | 電磁波吸収体 |
WO2007052112A1 (en) * | 2005-11-03 | 2007-05-10 | Centre National De La Recherche Scientifique (C.N.R.S.) | A reflectarray and a millimetre wave radar |
JP2008035461A (ja) * | 2006-07-28 | 2008-02-14 | Tatung Co | マイクロストリップ反射アレイアンテナ |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2017005454A (ja) * | 2015-06-09 | 2017-01-05 | 日本電信電話株式会社 | アンテナ装置およびアンテナ設計方法 |
Also Published As
Publication number | Publication date |
---|---|
CA2721438A1 (en) | 2009-11-05 |
TWI412175B (zh) | 2013-10-11 |
KR101307113B1 (ko) | 2013-09-10 |
US8368608B2 (en) | 2013-02-05 |
KR20110005258A (ko) | 2011-01-17 |
TW201010180A (en) | 2010-03-01 |
WO2009134787A1 (en) | 2009-11-05 |
US20090267850A1 (en) | 2009-10-29 |
EP2272129A1 (en) | 2011-01-12 |
CA2721438C (en) | 2014-01-07 |
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