JP6162118B2 - 片側多帯域アンテナ - Google Patents
片側多帯域アンテナ Download PDFInfo
- Publication number
- JP6162118B2 JP6162118B2 JP2014528616A JP2014528616A JP6162118B2 JP 6162118 B2 JP6162118 B2 JP 6162118B2 JP 2014528616 A JP2014528616 A JP 2014528616A JP 2014528616 A JP2014528616 A JP 2014528616A JP 6162118 B2 JP6162118 B2 JP 6162118B2
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- Prior art keywords
- antenna
- magnetic loop
- field
- radiator
- loop
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- 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.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/001—Crossed polarisation dual antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/378—Combination of fed elements with parasitic elements
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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
- H01Q7/005—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 with variable reactance for tuning the antenna
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
- H01Q9/285—Planar dipole
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
Description
本出願は、2011年9月2日出願の米国仮特許出願第61/530,902号;及び2012年2月22日出願の米国特許出願第13/402,777号;2012年2月22日出願の米国特許出願第13/402,806号;及び2012年2月22日出願の米国特許出願第13/402,817号の利益を請求するものであって、これらはその全体において引用により本明細書に組み込まれる。
実施形態は、多帯域複合ループアンテナ(多帯域アンテナ)を提供する。多帯域アンテナの実施形態は、2以上の周波数帯域で信号を発生させ、2以上の周波数帯域は、互いに調整及び合わせることができる。多帯域アンテナの実施形態は、磁気ループから形成された、少なくとも1つの電界放射器及び少なくとも1つのモノポール/ダイポールで構成される。特定の周波数で、磁気ループの様々な部分と組み合わせた少なくとも1つの電界放射器は、第1周波数帯域で電界を共振及び放射する。また別の周波数で、磁気ループの様々な部分と組み合わせた少なくとも1つのモノポールは、第2周波数帯域で電界を共振及び放射する。磁気ループの形状は、特定の周波数帯域で放射効率を増加させるため、且つアンテナの実施形態の多帯域動作を可能にするために合わせることができる。
アンテナ(200)において、第1電界放射器(204)は、供給点(216)へと磁気ループ(202)に沿って近接するため、第2電界放射器(206)より第2ディップ(222)に対応して、わずかに高い共振を作り出す。他方、第2電界放射器(206)は、供給点(216)と第2電界放射器(206)の間のより長い長さのため、第1ディップ(220)に対応して、低い共振を作り出す。上述のように、スタブ(214)は、第2電界放射器(206)を電気的に延長する。これは結果的に、第1ディップ(220)を動かし、第1ディップ(220)を第2ディップ(222)に一致させる。
Claims (12)
- 片側多帯域アンテナであって、該アンテナは、
平面上に位置し且つ磁界を作るよう構成される磁気ループを含み、該磁気ループは、少なくとも1つの第1セクション及び第2セクションを含み;
前記アンテナは、磁気ループ内にあるほぼ階段状の湾曲部から形成されるモノポールを含み、該モノポールは、第1周波数帯域の共振モードを作るよう構成され;及び
前記アンテナは、平面上且つ磁気ループ内に位置する電界放射器を含み、該電界放射器は、磁気ループに繋がれ、且つ磁界に直交するように第2周波数帯域で電界を放射するよう構成され、
前記電界放射器は、前記モノポールによって発生された第1の周波数帯域とは異なる第2の周波数帯域を発生するように構成される、ことを特徴とする、アンテナ。 - モノポールにほぼ対向するよう位置する第2モノポールを更に含み、該第2モノポールは、磁気ループの第2のほぼ階段状の湾曲部によって形成され、ここで、モノポールと第2モノポールはダイポールを形成し、第2モノポールはモノポールに対するカウンタポイズであることを特徴とする、請求項1に記載のアンテナ。
- 平面上及び磁気ループ内に位置する第2電界放射器であって、該第2電界放射器は、磁気ループに繋がれ、磁界に直交するように第3周波数帯域で第3の電界を放射するよう構成される、第2電界放射器を更に含むことを特徴とする、請求項1に記載のアンテナ。
- 電界放射器は、ほぼ長方形であり、ここで、電界放射器の角は、電界放射器と磁気ループの間の容量結合を減らす角度で切られることを特徴とする、請求項1に記載のアンテナ。
- 第1周波数帯域及び第2周波数帯域は、互いに調波の関係ではないことを特徴とする、請求項1に記載のアンテナ。
- モノポールに隣接する磁気ループの一部は、モノポールに共振をもたらすように容量性負荷に接続されることを特徴とする、請求項1に記載のアンテナ。
- 電界放射器を磁気ループに繋ぐ電気トレースを更に含むことを特徴とする、請求項1に記載のアンテナ。
- 電気トレースは、磁気ループの駆動点からおよそ90度又はおよそ270度の電気角度位置で、電界放射器を磁気ループに繋ぐことを特徴とする、請求項7に記載のアンテナ。
- 電気トレースは、磁気ループを通って流れる電流が反射し当該電流が最小となる反射最小点で、電界放射器を磁気ループに繋ぐことを特徴とする、請求項7に記載のアンテナ。
- 電気トレースは、電界放射器を電気的に長くするよう構成されることを特徴とする、請求項7に記載のアンテナ。
- 電界放射器は、磁気ループの駆動点からおよそ90度又はおよそ270度の電気角度位置で、磁気ループに直接繋がれることを特徴とする、請求項1に記載のアンテナ。
- 電界放射器は、磁気ループを通って流れる電流が反射し当該電流が最小となる反射最小点で、磁気ループに繋がれることを特徴とする、請求項1に記載のアンテナ。
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161530902P | 2011-09-02 | 2011-09-02 | |
US61/530,902 | 2011-09-02 | ||
US13/402,817 US8654023B2 (en) | 2011-09-02 | 2012-02-22 | Multi-layered multi-band antenna with parasitic radiator |
US13/402,806 US8654022B2 (en) | 2011-09-02 | 2012-02-22 | Multi-layered multi-band antenna |
US13/402,777 | 2012-02-22 | ||
US13/402,777 US8654021B2 (en) | 2011-09-02 | 2012-02-22 | Single-sided multi-band antenna |
US13/402,817 | 2012-02-22 | ||
US13/402,806 | 2012-02-22 | ||
PCT/US2012/053228 WO2013033460A2 (en) | 2011-09-02 | 2012-08-30 | Single-sided multi-band antenna |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017116933A Division JP6483195B2 (ja) | 2011-09-02 | 2017-06-14 | 片側多帯域アンテナ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015504253A JP2015504253A (ja) | 2015-02-05 |
JP6162118B2 true JP6162118B2 (ja) | 2017-07-12 |
Family
ID=47752733
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014528616A Active JP6162118B2 (ja) | 2011-09-02 | 2012-08-30 | 片側多帯域アンテナ |
JP2017116933A Active JP6483195B2 (ja) | 2011-09-02 | 2017-06-14 | 片側多帯域アンテナ |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017116933A Active JP6483195B2 (ja) | 2011-09-02 | 2017-06-14 | 片側多帯域アンテナ |
Country Status (6)
Country | Link |
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US (3) | US8654023B2 (ja) |
EP (2) | EP2751870A4 (ja) |
JP (2) | JP6162118B2 (ja) |
CN (3) | CN106887707B (ja) |
HK (2) | HK1198729A1 (ja) |
WO (2) | WO2013033462A2 (ja) |
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- 2012-08-30 EP EP12827957.7A patent/EP2751870A4/en not_active Withdrawn
- 2012-08-30 EP EP12828589.7A patent/EP2751871A4/en not_active Ceased
- 2012-08-30 WO PCT/US2012/053235 patent/WO2013033462A2/en unknown
- 2012-08-30 CN CN201280048627.3A patent/CN103843196B/zh active Active
- 2012-08-30 WO PCT/US2012/053228 patent/WO2013033460A2/en active Search and Examination
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- 2012-08-30 JP JP2014528616A patent/JP6162118B2/ja active Active
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Also Published As
Publication number | Publication date |
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JP6483195B2 (ja) | 2019-03-13 |
US8654022B2 (en) | 2014-02-18 |
EP2751870A4 (en) | 2015-06-03 |
EP2751870A2 (en) | 2014-07-09 |
US8654023B2 (en) | 2014-02-18 |
JP2017158216A (ja) | 2017-09-07 |
US8654021B2 (en) | 2014-02-18 |
CN106887707A (zh) | 2017-06-23 |
CN103843196B (zh) | 2016-12-14 |
HK1198729A1 (en) | 2015-05-29 |
CN106887707B (zh) | 2020-09-29 |
JP2015504253A (ja) | 2015-02-05 |
EP2751871A4 (en) | 2015-07-15 |
WO2013033462A3 (en) | 2014-05-15 |
CN103843196A (zh) | 2014-06-04 |
HK1201640A1 (en) | 2015-09-04 |
CN104040790B (zh) | 2017-05-17 |
WO2013033460A3 (en) | 2013-10-24 |
US20130057440A1 (en) | 2013-03-07 |
WO2013033460A2 (en) | 2013-03-07 |
EP2751871A2 (en) | 2014-07-09 |
US20130057442A1 (en) | 2013-03-07 |
WO2013033462A2 (en) | 2013-03-07 |
US20130057441A1 (en) | 2013-03-07 |
CN104040790A (zh) | 2014-09-10 |
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