JP2005539417A - 1つ又はそれ以上の孔を有するアンテナ - Google Patents
1つ又はそれ以上の孔を有するアンテナ Download PDFInfo
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- JP2005539417A JP2005539417A JP2004522142A JP2004522142A JP2005539417A JP 2005539417 A JP2005539417 A JP 2005539417A JP 2004522142 A JP2004522142 A JP 2004522142A JP 2004522142 A JP2004522142 A JP 2004522142A JP 2005539417 A JP2005539417 A JP 2005539417A
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- antenna
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- 239000004020 conductor Substances 0.000 claims description 21
- 230000005404 monopole Effects 0.000 claims description 15
- 239000002887 superconductor Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 5
- 238000010295 mobile communication Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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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
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- 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
- H01Q21/061—Two dimensional planar arrays
- H01Q21/062—Two dimensional planar arrays using dipole aerials
-
- 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
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
-
- 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
-
- 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
-
- 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
- H01Q9/40—Element having extended radiating surface
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Details Of Aerials (AREA)
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
・本アンテナは、多周波動作を特徴とする。
・本アンテナは、従来技術に係るアンテナの大部分よりも低い周波数で動作可能である。
Claims (15)
- マルチホールアンテナの放射素子は少なくとも1つの孔を含み、
上記孔は、上記アンテナの放射素子の外周の内側に含まれた面積の少なくとも20%の面積を有することを特徴とするマルチホールアンテナ。 - 上記放射素子は導体又は超伝導体であり、
上記導体又は超伝導体は、誘電体で充填され又は放射素子に使用された導体とは異なる導体又は超伝導体の材料で部分的に充填されることが可能な少なくとも1つの孔を含むことを特徴とする請求項1記載のアンテナ。 - 上記放射素子は1つの孔を含むことを特徴とする請求項1又は2記載のアンテナ。
- 上記放射素子は少なくとも2つの孔を含むことを特徴とする請求項1又は2記載のアンテナ。
- 上記放射素子の外周、又は上記孔のうちの少なくとも1つの孔の外周、もしくは上記放射素子の外周と上記放射素子の孔のうちの少なくとも1つの孔の外周との両方は、三角形、正方形、長方形、台形、五角形、六角形、七角形、八角形、円形及び楕円形のセットから選択された幾何学的形状で成形される請求項1、2、3又は4記載のアンテナ。
- 上記マルチホール構造の少なくとも一部は、マルチレベル構造又は装荷構造である請求項1、2、3、4又は5記載のアンテナ。
- 少なくとも1つの孔の少なくとも外周は、最小で2つのセグメントによって構成され、最大で9つのセグメントによって構成される曲線であり、上記複数のセグメントは、各セグメントがそれらの近傍セグメントに対して所定の角度を形成するように、すなわち隣接したどの一対のセグメントもより大きな直線セグメントを画成することのないように接続される請求項1、2、3、4、5又は6記載のアンテナ。
- 少なくとも1つの孔の外周の少なくとも一部は空間充填曲線によって成形される請求項1、2、3、4、5、6又は7記載のアンテナ。
- 上記孔のうちの少なくとも1つの孔は、上記放射素子の外周の4分の1より短い距離、又はその4分の3を超える距離だけ上記放射素子の給電点から離れた位置において、上記放射素子の外周と交差する請求項1、2、3、4、5、6、7又は8記載のアンテナ。
- 上記孔のうちの少なくとも1つの孔は曲線として成形され、上記曲線は少なくとも1点でそれ自体と交差する請求項1、2、3、4、5、6、7、8又は9記載のアンテナ。
- 上記アンテナは、その開口の形状が、先行する請求項に記載されたアンテナの放射素子の形状の任意のものと同一である開口アンテナであることを特徴とする先行する請求項のいずれかに記載のアンテナ。
- アンテナはモノポールアンテナ又はダイポールアンテナであることを特徴とする先行する請求項のいずれか記載のアンテナ。
- アンテナはアンテナアレーの1素子であり、上記アレーは少なくとも1つのマルチホールアンテナを含むアンテナ。
- 上記アンテナは、マルチバンド動作、ブロードバンド動作又は両者の組み合わせによって特徴付けられることを特徴とする先行する請求項のいずれか記載のアンテナ。
- 放射素子は最長の動作波長の4分の1より短いことを特徴とするマルチホールアンテナ。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2002/007836 WO2004010532A1 (en) | 2002-07-15 | 2002-07-15 | Antenna with one or more holes |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007287485A Division JP2008099310A (ja) | 2007-11-05 | 2007-11-05 | 1つ又はそれ以上の孔を有するアンテナ |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005539417A true JP2005539417A (ja) | 2005-12-22 |
Family
ID=30470211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004522142A Pending JP2005539417A (ja) | 2002-07-15 | 2002-07-15 | 1つ又はそれ以上の孔を有するアンテナ |
Country Status (7)
Country | Link |
---|---|
US (3) | US7471246B2 (ja) |
EP (2) | EP2056398A1 (ja) |
JP (1) | JP2005539417A (ja) |
CN (1) | CN1639908A (ja) |
AU (1) | AU2002327874A1 (ja) |
BR (1) | BR0215817A (ja) |
WO (1) | WO2004010532A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005244926A (ja) * | 2004-01-27 | 2005-09-08 | Yagi Antenna Co Ltd | Uhf帯用広帯域アンテナ |
WO2010044262A1 (ja) * | 2008-10-17 | 2010-04-22 | 三菱電線工業株式会社 | 広帯域アンテナ |
JP2010178003A (ja) * | 2009-01-29 | 2010-08-12 | Fujikura Ltd | モノポールアンテナ |
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US20140292597A1 (en) | 2007-12-05 | 2014-10-02 | Antennas Direct, Inc. | Antenna assemblies with tapered loop antenna elements |
USD666178S1 (en) | 2008-02-29 | 2012-08-28 | Antennas Direct, Inc. | Antenna |
USD868045S1 (en) | 2008-02-29 | 2019-11-26 | Antennas Direct, Inc. | Antenna |
USD867347S1 (en) | 2008-02-29 | 2019-11-19 | Antennas Direct, Inc. | Antenna |
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USD881172S1 (en) | 1975-11-03 | 2020-04-14 | Antennas Direct, Inc. | Antenna and base stand |
US7609222B2 (en) * | 2007-12-05 | 2009-10-27 | Antennas Direct, Inc. | Antenna assemblies with antenna elements and reflectors |
US8368607B2 (en) * | 2007-12-05 | 2013-02-05 | Antennas Direct, Inc. | Antenna assemblies with antenna elements and reflectors |
US7839347B2 (en) * | 2007-12-05 | 2010-11-23 | Antennas Direct, Inc. | Antenna assemblies with tapered loop antenna elements and reflectors |
US10957979B2 (en) | 2018-12-06 | 2021-03-23 | Antennas Direct, Inc. | Antenna assemblies |
AU2002368101A1 (en) | 2002-07-15 | 2004-02-09 | Fractus, S.A. | Undersampled microstrip array using multilevel and space-filling shaped elements |
JP2005539417A (ja) * | 2002-07-15 | 2005-12-22 | フラクトゥス・ソシエダッド・アノニマ | 1つ又はそれ以上の孔を有するアンテナ |
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EP1444751B1 (en) * | 2001-10-16 | 2007-06-13 | Fractus, S.A. | Loaded antenna |
US6856286B2 (en) | 2001-11-02 | 2005-02-15 | Skycross, Inc. | Dual band spiral-shaped antenna |
KR100483043B1 (ko) | 2002-04-11 | 2005-04-18 | 삼성전기주식회사 | 멀티밴드 내장 안테나 |
US6650301B1 (en) * | 2002-06-19 | 2003-11-18 | Andrew Corp. | Single piece twin folded dipole antenna |
JP2005539417A (ja) * | 2002-07-15 | 2005-12-22 | フラクトゥス・ソシエダッド・アノニマ | 1つ又はそれ以上の孔を有するアンテナ |
-
2002
- 2002-07-15 JP JP2004522142A patent/JP2005539417A/ja active Pending
- 2002-07-15 EP EP08105740A patent/EP2056398A1/en not_active Withdrawn
- 2002-07-15 WO PCT/EP2002/007836 patent/WO2004010532A1/en active Application Filing
- 2002-07-15 CN CNA028292812A patent/CN1639908A/zh active Pending
- 2002-07-15 EP EP02762359A patent/EP1522123A1/en not_active Ceased
- 2002-07-15 BR BR0215817-5A patent/BR0215817A/pt not_active Application Discontinuation
- 2002-07-15 AU AU2002327874A patent/AU2002327874A1/en not_active Abandoned
-
2005
- 2005-01-12 US US11/036,509 patent/US7471246B2/en active Active
-
2008
- 2008-10-07 US US12/246,964 patent/US7907092B2/en not_active Expired - Fee Related
-
2011
- 2011-01-28 US US13/015,901 patent/US20120026045A1/en not_active Abandoned
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005244926A (ja) * | 2004-01-27 | 2005-09-08 | Yagi Antenna Co Ltd | Uhf帯用広帯域アンテナ |
JP4555019B2 (ja) * | 2004-01-27 | 2010-09-29 | 八木アンテナ株式会社 | Uhf帯用広帯域アンテナ |
WO2010044262A1 (ja) * | 2008-10-17 | 2010-04-22 | 三菱電線工業株式会社 | 広帯域アンテナ |
US8599079B2 (en) | 2008-10-17 | 2013-12-03 | Mitsubishi Cable Industries, Ltd. | Wideband antenna |
JP2010178003A (ja) * | 2009-01-29 | 2010-08-12 | Fujikura Ltd | モノポールアンテナ |
Also Published As
Publication number | Publication date |
---|---|
EP1522123A1 (en) | 2005-04-13 |
US20090073067A1 (en) | 2009-03-19 |
US20050156803A1 (en) | 2005-07-21 |
AU2002327874A8 (en) | 2004-02-09 |
US7907092B2 (en) | 2011-03-15 |
BR0215817A (pt) | 2005-06-07 |
US20120026045A1 (en) | 2012-02-02 |
WO2004010532A1 (en) | 2004-01-29 |
US7471246B2 (en) | 2008-12-30 |
AU2002327874A1 (en) | 2004-02-09 |
EP2056398A1 (en) | 2009-05-06 |
CN1639908A (zh) | 2005-07-13 |
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