GB1496032A - Antennae - Google Patents

Antennae

Info

Publication number
GB1496032A
GB1496032A GB3561/75A GB356175A GB1496032A GB 1496032 A GB1496032 A GB 1496032A GB 3561/75 A GB3561/75 A GB 3561/75A GB 356175 A GB356175 A GB 356175A GB 1496032 A GB1496032 A GB 1496032A
Authority
GB
United Kingdom
Prior art keywords
focus
antenna
subreflector
feeds
displaced
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
Application number
GB3561/75A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB1496032A publication Critical patent/GB1496032A/en
Expired legal-status Critical Current

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)
GB3561/75A 1974-01-31 1975-01-28 Antennae Expired GB1496032A (en)

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 (1)

Publication Number Publication Date
GB1496032A true GB1496032A (en) 1977-12-21

Family

ID=23739668

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3561/75A Expired GB1496032A (en) 1974-01-31 1975-01-28 Antennae

Country Status (9)

Country Link
US (1) US3914768A (enrdf_load_stackoverflow)
JP (1) JPS5821850B2 (enrdf_load_stackoverflow)
BE (1) BE824830A (enrdf_load_stackoverflow)
CA (1) CA994470A (enrdf_load_stackoverflow)
DE (1) DE2503594A1 (enrdf_load_stackoverflow)
FR (1) FR2260196B1 (enrdf_load_stackoverflow)
GB (1) GB1496032A (enrdf_load_stackoverflow)
NL (1) NL183556C (enrdf_load_stackoverflow)
SE (1) SE405528B (enrdf_load_stackoverflow)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
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 (enrdf_load_stackoverflow) * 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
WO1999060656A2 (en) * 1998-05-20 1999-11-25 L-3 Communications Essco, Inc. Multibeam satellite communication antenna
US7286096B2 (en) * 2005-03-28 2007-10-23 Radiolink Networks, Inc. Aligned duplex antennae with high isolation
ES2561661T3 (es) * 2009-10-22 2016-02-29 Lockheed Martin Corporation Alimentación de lente de metamaterial para antenas de múltiples haces
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
US9806428B2 (en) 2013-06-16 2017-10-31 Siklu Communication ltd. Systems and methods for forming, directing, and narrowing communication beams
US9413078B2 (en) 2013-06-16 2016-08-09 Siklu Communication ltd. Millimeter-wave system with beam direction by switching sources
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
CN112635965B (zh) * 2020-12-31 2025-06-13 西安恒达微波技术开发有限公司 一种应用于leo低轨卫星通信的双圆极化卡塞格伦天线

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1368820A (fr) * 1963-06-14 1964-08-07 Csf Aérien de hautes performances
NL6818798A (enrdf_load_stackoverflow) * 1968-01-02 1973-08-27
FR2153164B1 (enrdf_load_stackoverflow) * 1971-09-22 1976-10-29 Thomson Csf

Also Published As

Publication number Publication date
DE2503594C2 (enrdf_load_stackoverflow) 1988-04-14
AU7768575A (en) 1976-07-29
CA994470A (en) 1976-08-03
JPS50110253A (enrdf_load_stackoverflow) 1975-08-30
BE824830A (fr) 1975-05-15
SE405528B (sv) 1978-12-11
FR2260196A1 (enrdf_load_stackoverflow) 1975-08-29
JPS5821850B2 (ja) 1983-05-04
FR2260196B1 (enrdf_load_stackoverflow) 1980-01-04
NL7501099A (nl) 1975-08-04
US3914768A (en) 1975-10-21
SE7500631L (enrdf_load_stackoverflow) 1975-08-01
DE2503594A1 (de) 1975-08-07
NL183556C (nl) 1988-11-16
NL183556B (nl) 1988-06-16

Similar Documents

Publication Publication Date Title
GB1496032A (en) Antennae
US3845483A (en) Antenna system
GB1370669A (en) Antennae
GB1513452A (en) Subreflectors for toroidal reflector antennas
NZ508886A (en) Multibeam satellite communication antenna
GB1006218A (en) Improvements in or relating to antenna systems
US3797020A (en) Microwave antenna structure with aperture blocking elimination
US4559540A (en) Antenna system with plural horn feeds
US3276022A (en) Dual frequency gregorian-newtonian antenna system with newtonian feed located at common focus of parabolic main dish and ellipsoidal sub-dish
US3332083A (en) Cassegrain antenna with offset feed
GB1302399A (enrdf_load_stackoverflow)
US3710341A (en) Gregorian antenna with ring focus
US4186402A (en) Cassegrainian antenna with beam waveguide feed to reduce spillover
US4201992A (en) Multibeam communications satellite
JP2002204124A (ja) 主反射鏡ジンバルを備えた側方給電形式のオフセット・カセグレン・アンテナ
US5402137A (en) Equalized shaped reflector antenna system and technique for equalizing same
US3696436A (en) Cassegrain antenna with absorber to reduce back radiation
FR2281660B1 (enrdf_load_stackoverflow)
US6882323B2 (en) Multi-beam antenna system with shaped reflector for generating flat beams
GB1017240A (en) Improvements in or relating to radio frequency antenna systems
GB1136174A (en) Improvements in antennae
US2656464A (en) Feed locus for semiparabolic reflector
US3530476A (en) Multiple reflector antenna with offset feed
GB1488590A (en) Antenna with a beam of variable aperture for operation in the millimetre waveband
US3255455A (en) Cassegrain antenna

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19950127