CA994470A - Multiple-beam cassegrainian antenna - Google Patents

Multiple-beam cassegrainian antenna

Info

Publication number
CA994470A
CA994470A CA209,656A CA209656A CA994470A CA 994470 A CA994470 A CA 994470A CA 209656 A CA209656 A CA 209656A CA 994470 A CA994470 A CA 994470A
Authority
CA
Canada
Prior art keywords
cassegrainian antenna
cassegrainian
antenna
beam cassegrainian
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
CA209,656A
Other languages
English (en)
Other versions
CA209656S (en
Inventor
Edward A. Ohm
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
Application granted granted Critical
Publication of CA994470A publication Critical patent/CA994470A/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
CA209,656A 1974-01-31 1974-09-20 Multiple-beam cassegrainian antenna Expired CA994470A (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
CA994470A true CA994470A (en) 1976-08-03

Family

ID=23739668

Family Applications (1)

Application Number Title Priority Date Filing Date
CA209,656A Expired CA994470A (en) 1974-01-31 1974-09-20 Multiple-beam cassegrainian antenna

Country Status (9)

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

Families Citing this family (39)

* 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
DE3516811A1 (de) * 1985-05-10 1986-11-13 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Geostationaerer 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 (nl) * 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
WO2011087538A2 (en) * 2009-10-22 2011-07-21 Lockheed Martin Corporation Metamaterial lens feed for multiple beam antennas
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)

* 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 (nl) * 1968-01-02 1973-08-27
FR2153164B1 (nl) * 1971-09-22 1976-10-29 Thomson Csf

Also Published As

Publication number Publication date
NL7501099A (nl) 1975-08-04
GB1496032A (en) 1977-12-21
DE2503594A1 (de) 1975-08-07
NL183556B (nl) 1988-06-16
FR2260196B1 (nl) 1980-01-04
SE7500631L (nl) 1975-08-01
NL183556C (nl) 1988-11-16
SE405528B (sv) 1978-12-11
JPS5821850B2 (ja) 1983-05-04
BE824830A (fr) 1975-05-15
AU7768575A (en) 1976-07-29
DE2503594C2 (nl) 1988-04-14
US3914768A (en) 1975-10-21
FR2260196A1 (nl) 1975-08-29
JPS50110253A (nl) 1975-08-30

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