SE7500631L - - Google Patents
Info
- Publication number
- SE7500631L SE7500631L SE7500631A SE7500631A SE7500631L SE 7500631 L SE7500631 L SE 7500631L SE 7500631 A SE7500631 A SE 7500631A SE 7500631 A SE7500631 A SE 7500631A SE 7500631 L SE7500631 L SE 7500631L
- Authority
- SE
- Sweden
- Prior art keywords
- subreflector
- antenna
- well
- beams
- aperture
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
-
- 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
- H01Q19/192—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 with dual offset reflectors
Landscapes
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US438201*A US3914768A (en) | 1974-01-31 | 1974-01-31 | Multiple-beam Cassegrainian antenna |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7500631L true SE7500631L (fr) | 1975-08-01 |
SE405528B SE405528B (sv) | 1978-12-11 |
Family
ID=23739668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7500631A SE405528B (sv) | 1974-01-31 | 1975-01-21 | Flerlobig cassegrain-antenn |
Country Status (9)
Country | Link |
---|---|
US (1) | US3914768A (fr) |
JP (1) | JPS5821850B2 (fr) |
BE (1) | BE824830A (fr) |
CA (1) | CA994470A (fr) |
DE (1) | DE2503594A1 (fr) |
FR (1) | FR2260196B1 (fr) |
GB (1) | GB1496032A (fr) |
NL (1) | NL183556C (fr) |
SE (1) | SE405528B (fr) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4236161A (en) * | 1978-09-18 | 1980-11-25 | Bell Telephone Laboratories, Incorporated | Array feed for offset satellite antenna |
US4298877A (en) * | 1979-01-26 | 1981-11-03 | Solar Energy Technology, Inc. | Offset-fed multi-beam tracking antenna system utilizing especially shaped reflector surfaces |
US4282527A (en) * | 1979-06-11 | 1981-08-04 | General Dynamics, Pomona Division | Multi-spectral detection system with common collecting means |
FR2472853A1 (fr) * | 1979-12-27 | 1981-07-03 | Thomson Csf | Antenne a faisceau orientable et satellite comportant une telle antenne |
JPS5698905A (en) * | 1980-01-11 | 1981-08-08 | Kokusai Denshin Denwa Co Ltd <Kdd> | Dual reflecting mirror antenna |
US4355314A (en) * | 1980-11-28 | 1982-10-19 | Bell Telephone Laboratories, Incorporated | Wide-field-of-view antenna arrangement |
US4343000A (en) * | 1981-04-06 | 1982-08-03 | The United States Of America As Represented By The Secretary Of The Navy | Aircraft self-protection radar |
US4479129A (en) * | 1981-09-10 | 1984-10-23 | George Skahill | Directive antenna system employing a paraboloidal main dish and ellipsoidal subdish |
US4415901A (en) * | 1981-09-21 | 1983-11-15 | Bell Telephone Laboratories, Incorporated | Low power beam switchable antenna arrangement |
US4407001A (en) * | 1981-10-02 | 1983-09-27 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Focal axis resolver for offset reflector antennas |
DE3204029A1 (de) * | 1982-02-05 | 1983-08-11 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Mehrreflektorantenne |
US4482897A (en) * | 1982-06-28 | 1984-11-13 | At&T Bell Laboratories | Multibeam segmented reflector antennas |
JPS5991708A (ja) * | 1982-11-17 | 1984-05-26 | Mitsubishi Electric Corp | アンテナ装置 |
US4535476A (en) * | 1982-12-01 | 1985-08-13 | At&T Bell Laboratories | Offset geometry, interference canceling receiver |
DE3516811C2 (de) * | 1985-05-10 | 1987-03-12 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Geostationärer Nachrichtensatellit |
FR2608846B1 (fr) * | 1986-12-18 | 1989-03-24 | Alcatel Thomson Faisceaux | Antenne de telecommunications a reflecteur |
US4866454A (en) * | 1987-03-04 | 1989-09-12 | Droessler Justin G | Multi-spectral imaging system |
JPS63147013U (fr) * | 1987-03-19 | 1988-09-28 | ||
DE3820920A1 (de) * | 1988-03-31 | 1989-11-16 | Franz Eisenhofer | Antennenanordnung |
US5202700A (en) * | 1988-11-03 | 1993-04-13 | Westinghouse Electric Corp. | Array fed reflector antenna for transmitting & receiving multiple beams |
GB2227609A (en) * | 1989-01-30 | 1990-08-01 | David James George Martin | Double aerial [daerial] |
ES1008936Y (es) * | 1989-01-31 | 1989-12-16 | Televes S.A. | Soporte para alimentadores de antenas parabolicas de recepcion multisatelite. |
US5175562A (en) * | 1989-06-23 | 1992-12-29 | Northeastern University | High aperture-efficient, wide-angle scanning offset reflector antenna |
DE4112837A1 (de) * | 1991-04-19 | 1992-10-22 | Teldix Gmbh | Zweiachsige schwenkvorrichtung fuer einen reflektor |
JP2882183B2 (ja) * | 1992-04-24 | 1999-04-12 | ケイディディ株式会社 | アンテナ装置 |
DE4311111A1 (de) * | 1993-04-05 | 1994-12-01 | Media Tech Vertriebs Gmbh | Antennenanlage mit Hauptreflektor und Subreflektor |
FR2713404B1 (fr) * | 1993-12-02 | 1996-01-05 | Alcatel Espace | Antenne orientale avec conservation des axes de polarisation. |
US5563609A (en) * | 1994-05-16 | 1996-10-08 | Hughes Electronics | Antenna system with plural beam sequential offset |
FR2765404B1 (fr) * | 1997-06-26 | 1999-09-24 | Alsthom Cge Alcatel | Antenne a forte capacite de balayage |
JP2002516502A (ja) * | 1998-05-20 | 2002-06-04 | エル−スリー・コミュニケーションズ・エスコ・インコーポレーテッド | マルチビーム衛星通信アンテナ |
US7286096B2 (en) * | 2005-03-28 | 2007-10-23 | Radiolink Networks, Inc. | Aligned duplex antennae with high isolation |
EP2491615B1 (fr) * | 2009-10-22 | 2015-12-23 | Lockheed Martin Corporation | Alimentation par lentille en métamatériau destinée à des antennes multifaisceaux |
US9774095B1 (en) | 2011-09-22 | 2017-09-26 | Space Systems/Loral, Llc | Antenna system with multiple independently steerable shaped beams |
RU2012111441A (ru) | 2012-03-26 | 2013-10-10 | Джи-хо Ан | Компактная неосесимметричная двухзеркальная антенна |
CN102749007B (zh) * | 2012-07-16 | 2014-12-24 | 中国核动力研究设计院 | 一种用于小直径深孔变径处尺寸的检验规及检验方法 |
US9413078B2 (en) | 2013-06-16 | 2016-08-09 | Siklu Communication ltd. | Millimeter-wave system with beam direction by switching sources |
US9806428B2 (en) | 2013-06-16 | 2017-10-31 | Siklu Communication ltd. | Systems and methods for forming, directing, and narrowing communication beams |
US9929474B2 (en) * | 2015-07-02 | 2018-03-27 | Sea Tel, Inc. | Multiple-feed antenna system having multi-position subreflector assembly |
KR101757681B1 (ko) * | 2016-04-12 | 2017-07-26 | (주)인텔리안테크놀로지스 | 다중 대역 신호 수신이 가능한 위성 통신용 안테나 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1368820A (fr) * | 1963-06-14 | 1964-08-07 | Csf | Aérien de hautes performances |
NL6818798A (fr) * | 1968-01-02 | 1973-08-27 | ||
FR2153164B1 (fr) * | 1971-09-22 | 1976-10-29 | Thomson Csf |
-
1974
- 1974-01-31 US US438201*A patent/US3914768A/en not_active Expired - Lifetime
- 1974-09-20 CA CA209,656A patent/CA994470A/en not_active Expired
-
1975
- 1975-01-21 SE SE7500631A patent/SE405528B/xx not_active IP Right Cessation
- 1975-01-27 BE BE152750A patent/BE824830A/fr not_active IP Right Cessation
- 1975-01-28 GB GB3561/75A patent/GB1496032A/en not_active Expired
- 1975-01-29 DE DE19752503594 patent/DE2503594A1/de active Granted
- 1975-01-30 NL NLAANVRAGE7501099,A patent/NL183556C/xx not_active IP Right Cessation
- 1975-01-30 FR FR7502929A patent/FR2260196B1/fr not_active Expired
- 1975-01-31 JP JP50012657A patent/JPS5821850B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5821850B2 (ja) | 1983-05-04 |
AU7768575A (en) | 1976-07-29 |
JPS50110253A (fr) | 1975-08-30 |
US3914768A (en) | 1975-10-21 |
NL183556B (nl) | 1988-06-16 |
BE824830A (fr) | 1975-05-15 |
CA994470A (en) | 1976-08-03 |
SE405528B (sv) | 1978-12-11 |
NL183556C (nl) | 1988-11-16 |
FR2260196B1 (fr) | 1980-01-04 |
NL7501099A (nl) | 1975-08-04 |
DE2503594C2 (fr) | 1988-04-14 |
FR2260196A1 (fr) | 1975-08-29 |
DE2503594A1 (de) | 1975-08-07 |
GB1496032A (en) | 1977-12-21 |
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Legal Events
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