JP4151593B2 - 複反射鏡アンテナ装置 - Google Patents
複反射鏡アンテナ装置 Download PDFInfo
- Publication number
- JP4151593B2 JP4151593B2 JP2004067166A JP2004067166A JP4151593B2 JP 4151593 B2 JP4151593 B2 JP 4151593B2 JP 2004067166 A JP2004067166 A JP 2004067166A JP 2004067166 A JP2004067166 A JP 2004067166A JP 4151593 B2 JP4151593 B2 JP 4151593B2
- Authority
- JP
- Japan
- Prior art keywords
- mirror
- primary radiator
- shape
- elliptical
- matching plate
- 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
Links
- 238000010586 diagram Methods 0.000 description 10
- 230000006866 deterioration Effects 0.000 description 9
- 230000005855 radiation Effects 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
-
- 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
- H01Q19/18—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 having two or more spaced reflecting surfaces
- H01Q19/19—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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
Landscapes
- Aerials With Secondary Devices (AREA)
Description
2、10、14 副鏡
3、12 一次放射器
4 頂点整合板
Claims (2)
- 楕円形状の主反射鏡と、この主反射鏡に対向して設けた円形状の副鏡と、この副鏡に対向して設けられ、上記副鏡へ電波を放射する円錐形の一次放射器と、上記副鏡の略中央部に設けられ、楕円形状の反射面を有して上記一次放射器から放射された電波を上記一次放射器へ反射する台状の頂点整合板であって、その楕円形状の短軸方向を上記主反射鏡の楕円形状の長軸方向とした頂点整合板とを備えたことを特徴とする複反射鏡アンテナ装置。
- 上記頂点整合板は、その周囲をスカート状に形成したことを特徴とする請求項1に記載の複反射鏡アンテナ装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004067166A JP4151593B2 (ja) | 2004-03-10 | 2004-03-10 | 複反射鏡アンテナ装置 |
US10/916,470 US7009574B2 (en) | 2004-03-10 | 2004-08-12 | Plural-reflector antenna system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004067166A JP4151593B2 (ja) | 2004-03-10 | 2004-03-10 | 複反射鏡アンテナ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005260437A JP2005260437A (ja) | 2005-09-22 |
JP4151593B2 true JP4151593B2 (ja) | 2008-09-17 |
Family
ID=34918383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004067166A Expired - Fee Related JP4151593B2 (ja) | 2004-03-10 | 2004-03-10 | 複反射鏡アンテナ装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7009574B2 (ja) |
JP (1) | JP4151593B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080094298A1 (en) * | 2006-10-23 | 2008-04-24 | Harris Corporation | Antenna with Shaped Asymmetric Main Reflector and Subreflector with Asymmetric Waveguide Feed |
JP5649550B2 (ja) * | 2010-11-05 | 2015-01-07 | 三菱電機株式会社 | 反射鏡アンテナ |
US9899745B2 (en) | 2013-09-13 | 2018-02-20 | Raytheon Company | Low profile high efficiency multi-band reflector antennas |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3696436A (en) * | 1969-09-16 | 1972-10-03 | Kokusai Denshin Denwa Co Ltd | Cassegrain antenna with absorber to reduce back radiation |
US3927408A (en) * | 1974-10-04 | 1975-12-16 | Nasa | Single frequency, two feed dish antenna having switchable beamwidth |
US4034378A (en) * | 1975-07-21 | 1977-07-05 | Bell Telephone Laboratories, Incorporated | Antenna with echo cancelling elements |
US4031538A (en) * | 1975-07-21 | 1977-06-21 | Bell Telephone Laboratories, Incorporated | Antenna with echo cancelling elements |
US5790077A (en) * | 1996-10-17 | 1998-08-04 | Space Systems/Loral, Inc. | Antenna geometry for shaped dual reflector antenna |
US6320553B1 (en) * | 1999-12-14 | 2001-11-20 | Harris Corporation | Multiple frequency reflector antenna with multiple feeds |
JP2002135042A (ja) | 2000-10-25 | 2002-05-10 | Nippon Antenna Co Ltd | カセグレンアンテナ |
-
2004
- 2004-03-10 JP JP2004067166A patent/JP4151593B2/ja not_active Expired - Fee Related
- 2004-08-12 US US10/916,470 patent/US7009574B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20050200547A1 (en) | 2005-09-15 |
US7009574B2 (en) | 2006-03-07 |
JP2005260437A (ja) | 2005-09-22 |
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