JP4000359B2 - パラボラアンテナ用一次放射器 - Google Patents
パラボラアンテナ用一次放射器 Download PDFInfo
- Publication number
- JP4000359B2 JP4000359B2 JP2004114523A JP2004114523A JP4000359B2 JP 4000359 B2 JP4000359 B2 JP 4000359B2 JP 2004114523 A JP2004114523 A JP 2004114523A JP 2004114523 A JP2004114523 A JP 2004114523A JP 4000359 B2 JP4000359 B2 JP 4000359B2
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- JP
- Japan
- Prior art keywords
- radiator
- waterproof cover
- waveguide
- primary radiator
- parabolic antenna
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/02—Waveguide horns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q1/421—Means for correcting aberrations introduced by a radome
Landscapes
- Waveguide Aerials (AREA)
- Details Of Aerials (AREA)
- Aerials With Secondary Devices (AREA)
Description
このように、ステップを放射器本体に一体に形成すると、放射器本体を形成する際に同時にステップを形成することができるため、ステップを備えた放射器本体の製造を容易にすることができ、一次放射器の製造コストの低減を図ることができる。
2 ホーン部
3 放射器本体
4 防水カバー
6 一次放射器
7 ステップ
Claims (6)
- 導波管と、前記導波管の一端側に設けられたホーン部とを有する放射器本体と、前記ホーン部の開口端を覆う防水カバーとを備えたパラボラアンテナ用一次放射器であって、
前記放射器本体の内面に反射損失低減用のステップが設けられ、前記防水カバーと前記ステップとの間の距離が前記放射器本体内を伝搬する電波の位相角に換算して180°の奇数倍にほぼ等しく設定されて、前記放射器本体内で発生する反射損失を許容上限値以下に抑えるように前記ステップの寸法が設定されているパラボラアンテナ用一次放射器。 - 前記ステップは前記ホーン部の内面に設けられている請求項1に記載のパラボラアンテナ用一次放射器。
- 前記ステップは、前記ホーン部と導波管との境界部に設けられている請求項1に記載のパラボラアンテナ用一次放射器。
- 前記ステップは、前記導波管の内面に設けられている請求項1に記載のパラボラアンテナ用一次放射器。
- 前記ステップは、前記放射器本体に一体に形成されている請求項1に記載のパラボラアンテナ用一次放射器。
- 前記放射器本体はその中心軸線に対して回転対称に形成され、前記ステップは、前記放射器本体の中心軸線に対して回転対称に形成されている請求項1に記載のパラボラアンテナ用一次放射器。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004114523A JP4000359B2 (ja) | 2003-05-13 | 2004-04-08 | パラボラアンテナ用一次放射器 |
US10/843,244 US7027003B2 (en) | 2003-05-13 | 2004-05-11 | Primary radiator for parabolic antenna |
CA002466972A CA2466972A1 (en) | 2003-05-13 | 2004-05-12 | Primary radiator for parabolic antenna |
EP04252773A EP1478050B1 (en) | 2003-05-13 | 2004-05-13 | Primary radiator for parabolic antenna |
DE602004007063T DE602004007063T2 (de) | 2003-05-13 | 2004-05-13 | Primärstrahler für eine Parabolantenne |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003134144 | 2003-05-13 | ||
JP2004114523A JP4000359B2 (ja) | 2003-05-13 | 2004-04-08 | パラボラアンテナ用一次放射器 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2004364264A JP2004364264A (ja) | 2004-12-24 |
JP2004364264A5 JP2004364264A5 (ja) | 2005-09-15 |
JP4000359B2 true JP4000359B2 (ja) | 2007-10-31 |
Family
ID=33032385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004114523A Expired - Fee Related JP4000359B2 (ja) | 2003-05-13 | 2004-04-08 | パラボラアンテナ用一次放射器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7027003B2 (ja) |
EP (1) | EP1478050B1 (ja) |
JP (1) | JP4000359B2 (ja) |
CA (1) | CA2466972A1 (ja) |
DE (1) | DE602004007063T2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012124814A (ja) * | 2010-12-10 | 2012-06-28 | Sharp Corp | 衛星受信用コンバータ装置およびその製造方法、ならびに性能測定治具 |
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- 2004-04-08 JP JP2004114523A patent/JP4000359B2/ja not_active Expired - Fee Related
- 2004-05-11 US US10/843,244 patent/US7027003B2/en not_active Expired - Fee Related
- 2004-05-12 CA CA002466972A patent/CA2466972A1/en not_active Abandoned
- 2004-05-13 DE DE602004007063T patent/DE602004007063T2/de not_active Expired - Fee Related
- 2004-05-13 EP EP04252773A patent/EP1478050B1/en not_active Expired - Lifetime
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JP2012124814A (ja) * | 2010-12-10 | 2012-06-28 | Sharp Corp | 衛星受信用コンバータ装置およびその製造方法、ならびに性能測定治具 |
Also Published As
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JP2004364264A (ja) | 2004-12-24 |
EP1478050A1 (en) | 2004-11-17 |
CA2466972A1 (en) | 2004-11-13 |
US7027003B2 (en) | 2006-04-11 |
DE602004007063T2 (de) | 2008-02-21 |
US20040227686A1 (en) | 2004-11-18 |
EP1478050B1 (en) | 2007-06-20 |
DE602004007063D1 (de) | 2007-08-02 |
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