DE3579308D1 - Cassegrainantennensystem. - Google Patents

Cassegrainantennensystem.

Info

Publication number
DE3579308D1
DE3579308D1 DE8585903323T DE3579308T DE3579308D1 DE 3579308 D1 DE3579308 D1 DE 3579308D1 DE 8585903323 T DE8585903323 T DE 8585903323T DE 3579308 T DE3579308 T DE 3579308T DE 3579308 D1 DE3579308 D1 DE 3579308D1
Authority
DE
Germany
Prior art keywords
antenna system
cassegrain antenna
cassegrain
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
Application number
DE8585903323T
Other languages
English (en)
Inventor
Paul Newham
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
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 Marconi Co Ltd filed Critical Marconi Co Ltd
Application granted granted Critical
Publication of DE3579308D1 publication Critical patent/DE3579308D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H01Q19/193—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 feed supported subreflector
DE8585903323T 1984-07-02 1985-06-28 Cassegrainantennensystem. Expired - Fee Related DE3579308D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8416823 1984-07-02
PCT/GB1985/000290 WO1986000761A1 (en) 1984-07-02 1985-06-28 Cassegrain aerial system

Publications (1)

Publication Number Publication Date
DE3579308D1 true DE3579308D1 (de) 1990-09-27

Family

ID=10563295

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585903323T Expired - Fee Related DE3579308D1 (de) 1984-07-02 1985-06-28 Cassegrainantennensystem.

Country Status (5)

Country Link
US (1) US4673947A (de)
EP (1) EP0187800B1 (de)
JP (1) JPS61502651A (de)
DE (1) DE3579308D1 (de)
WO (1) WO1986000761A1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987006066A1 (en) * 1986-03-25 1987-10-08 The Marconi Company Limited Wideband horn antenna
NO862192D0 (no) * 1986-06-03 1986-06-03 Sintef Reflektorantenne med selvbaerende mateelement.
DE3823056A1 (de) * 1988-07-07 1990-01-11 Siemens Ag Richtantenne
US4940990A (en) * 1989-01-19 1990-07-10 University Of British Columbia Intrabuilding wireless communication system
DE4002913A1 (de) * 1990-02-01 1991-08-08 Ant Nachrichtentech Doppelreflektor-antenne
US5248987A (en) * 1991-12-31 1993-09-28 Massachusetts Institute Of Technology Widebeam antenna
US5642121A (en) * 1993-03-16 1997-06-24 Innova Corporation High-gain, waveguide-fed antenna having controllable higher order mode phasing
EP0755092B1 (de) * 1995-07-17 2002-05-08 Dynex Semiconductor Limited Antennenanordnungen
US5684495A (en) * 1995-08-30 1997-11-04 Andrew Corporation Microwave transition using dielectric waveguides
DE19725047A1 (de) * 1996-07-03 1998-01-08 Alsthom Cge Alcatel Erregersystem für eine Antenne mit einem parabelförmig gebogenen Reflektor und einem dielektrischen Strahler
US5959590A (en) * 1996-08-08 1999-09-28 Endgate Corporation Low sidelobe reflector antenna system employing a corrugated subreflector
US5907309A (en) * 1996-08-14 1999-05-25 L3 Communications Corporation Dielectrically loaded wide band feed
US5973652A (en) * 1997-05-22 1999-10-26 Endgate Corporation Reflector antenna with improved return loss
US6233479B1 (en) * 1998-09-15 2001-05-15 The Regents Of The University Of California Microwave hematoma detector
US6501432B2 (en) * 2000-08-11 2002-12-31 Alps Electric Co., Ltd. Primary radiator capable of achieving both low reflection and low loss
US6661389B2 (en) * 2000-11-20 2003-12-09 Vega Grieshaber Kg Horn antenna for a radar device
FR2856525B1 (fr) * 2003-06-17 2005-09-02 Cit Alcatel Alimentation pour une antenne a reflecteur.
US7119755B2 (en) * 2003-06-20 2006-10-10 Hrl Laboratories, Llc Wave antenna lens system
US7889149B2 (en) * 2006-12-22 2011-02-15 Arizona Board Of Regents For And On Behalf Of Arizona State University Aperture matched polyrod antenna
US7786946B2 (en) * 2006-12-22 2010-08-31 Arizona Board Of Regents For And On Behalf Of Arizona State University Hollow dielectric pipe polyrod antenna
US7907097B2 (en) * 2007-07-17 2011-03-15 Andrew Llc Self-supporting unitary feed assembly
FR2926680B1 (fr) * 2008-01-18 2010-02-12 Alcatel Lucent Reflecteur-secondaire d'une antenne a double reflecteur
US20110081192A1 (en) * 2009-10-02 2011-04-07 Andrew Llc Cone to Boom Interconnection
US8581795B2 (en) 2011-09-01 2013-11-12 Andrew Llc Low sidelobe reflector antenna
US20130057444A1 (en) 2011-09-01 2013-03-07 Andrew Llc Controlled illumination dielectric cone radiator for reflector antenna
US9948010B2 (en) 2011-09-01 2018-04-17 Commscope Technologies Llc Method for dish reflector illumination via sub-reflector assembly with dielectric radiator portion
US9019164B2 (en) 2011-09-12 2015-04-28 Andrew Llc Low sidelobe reflector antenna with shield
US9105981B2 (en) 2012-04-17 2015-08-11 Commscope Technologies Llc Dielectric lens cone radiator sub-reflector assembly
US9698490B2 (en) 2012-04-17 2017-07-04 Commscope Technologies Llc Injection moldable cone radiator sub-reflector assembly
US9568675B2 (en) * 2013-07-03 2017-02-14 City University Of Hong Kong Waveguide coupler
WO2019216935A2 (en) 2017-08-22 2019-11-14 Commscope Technologies Llc Parabolic reflector antennas that support low side lobe radiation patterns
US11594822B2 (en) 2020-02-19 2023-02-28 Commscope Technologies Llc Parabolic reflector antennas with improved cylindrically-shaped shields

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2775760A (en) * 1952-07-28 1956-12-25 Davis Tool & Eng Co Micro wave antenna feed
GB901005A (en) * 1959-05-18 1962-07-11 Tesla Np Improvements in or relating to a parabolic reflector antenna for waves polarized in two directions
US3430244A (en) * 1964-11-25 1969-02-25 Radiation Inc Reflector antennas
US4188632A (en) * 1975-01-21 1980-02-12 Post Office Rear feed assemblies for aerials
US4274097A (en) * 1975-03-25 1981-06-16 The United States Of America As Represented By The Secretary Of The Navy Embedded dielectric rod antenna
DE3108758A1 (de) * 1981-03-07 1982-09-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Mikrowellen-empfangseinrichtung
DE3231097A1 (de) * 1982-08-20 1984-02-23 Siemens AG, 1000 Berlin und 8000 München Antenne nach dem cassegrain-prinzip mit einer halterung fuer den subreflektor

Also Published As

Publication number Publication date
EP0187800A1 (de) 1986-07-23
JPS61502651A (ja) 1986-11-13
WO1986000761A1 (en) 1986-01-30
EP0187800B1 (de) 1990-08-22
US4673947A (en) 1987-06-16

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: GEC-MARCONI LTD., STANMORE, GB

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee