DK178479A - Parabolsk reflektorantenne med optimale udstraalingskarakteristikker - Google Patents

Parabolsk reflektorantenne med optimale udstraalingskarakteristikker

Info

Publication number
DK178479A
DK178479A DK178479A DK178479A DK178479A DK 178479 A DK178479 A DK 178479A DK 178479 A DK178479 A DK 178479A DK 178479 A DK178479 A DK 178479A DK 178479 A DK178479 A DK 178479A
Authority
DK
Denmark
Prior art keywords
parabolic reflector
radiation characteristics
reflector antenna
optimal radiation
optimal
Prior art date
Application number
DK178479A
Other languages
English (en)
Inventor
P Bielli
S D Padova
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Publication of DK178479A publication Critical patent/DK178479A/da

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
    • H01Q19/12—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 wherein the surfaces are concave
    • H01Q19/13—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 wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02—Waveguide horns
    • H01Q13/025—Multimode horn antennas; Horns using higher mode of propagation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/001—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems for modifying the directional characteristic of an aerial
DK178479A 1978-05-11 1979-05-01 Parabolsk reflektorantenne med optimale udstraalingskarakteristikker DK178479A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68069/78A IT1108290B (it) 1978-05-11 1978-05-11 Antenna a riflettore parabolico con caratteristiche irradiative ottimali

Publications (1)

Publication Number Publication Date
DK178479A true DK178479A (da) 1979-11-12

Family

ID=11307618

Family Applications (1)

Application Number Title Priority Date Filing Date
DK178479A DK178479A (da) 1978-05-11 1979-05-01 Parabolsk reflektorantenne med optimale udstraalingskarakteristikker

Country Status (6)

Country Link
US (1) US4263599A (da)
EP (1) EP0005487A1 (da)
JP (1) JPS54147757A (da)
CA (1) CA1119292A (da)
DK (1) DK178479A (da)
IT (1) IT1108290B (da)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0136817A1 (en) * 1983-09-06 1985-04-10 Andrew Corporation Low side lobe gregorian antenna
US4626863A (en) * 1983-09-12 1986-12-02 Andrew Corporation Low side lobe Gregorian antenna
US4833484A (en) * 1984-02-09 1989-05-23 The General Electric Company, P.L.C. Earth terminal for satellite communication
DE3533211A1 (de) * 1985-09-18 1987-03-19 Standard Elektrik Lorenz Ag Parabolantenne fuer richtfunkanlagen
US5182569A (en) * 1988-09-23 1993-01-26 Alcatel N.V. Antenna having a circularly symmetrical reflector
US5486838A (en) * 1993-08-23 1996-01-23 Andrew Corporation Broadband omnidirectional microwave antenna for minimizing radiation toward the upper hemisphere
US5745084A (en) * 1994-06-17 1998-04-28 Lusignan; Bruce B. Very small aperture terminal & antenna for use therein
US6094174A (en) * 1996-03-04 2000-07-25 Andrew Corporation Broadband omnidirectional microwave parabolic dish--shaped cone antenna
CA2198969A1 (en) * 1996-03-04 1997-09-04 Andrew Corporation Broadband omnidirectional microwave antenna with decreased sky radiation and with a simple means of elevation-plane pattern control
US5870062A (en) * 1996-06-27 1999-02-09 Andrew Corporation Microwave antenna feed structure
US5877730A (en) * 1997-02-18 1999-03-02 Foster; Elmer D. Satellite dish with shield
US6778810B1 (en) * 1999-12-03 2004-08-17 The Directtv Group, Inc. Method and apparatus for mitigating interference from terrestrial broadcasts sharing the same channel with satellite broadcasts using an antenna with posterior sidelobes
US7369809B1 (en) 2000-10-30 2008-05-06 The Directv Group, Inc. System and method for continuous broadcast service from non-geostationary orbits
US6611238B1 (en) 2001-11-06 2003-08-26 Hughes Electronics Corporation Method and apparatus for reducing earth station interference from non-GSO and terrestrial sources
US6975837B1 (en) 2003-01-21 2005-12-13 The Directv Group, Inc. Method and apparatus for reducing interference between terrestrially-based and space-based broadcast systems
DE102004035083A1 (de) * 2004-07-20 2006-02-16 Vega Grieshaber Kg Füllstandsmessgerät-Parabolantenne und Füllstandsmessgerät mit einer Parabolantenne
US7286096B2 (en) * 2005-03-28 2007-10-23 Radiolink Networks, Inc. Aligned duplex antennae with high isolation
KR100653190B1 (ko) 2005-09-29 2006-12-04 한국전자통신연구원 반사판 안테나의 크기 결정 장치 및 그 방법
WO2011099183A1 (ja) * 2010-02-15 2011-08-18 日本電気株式会社 電波吸収体、及びパラボラアンテナ
KR101113822B1 (ko) * 2010-06-15 2012-02-29 (주)인텔리안테크놀로지스 위성안테나용 반사경조립체 및 그 제조방법
US11881625B1 (en) * 2020-10-06 2024-01-23 Lockheed Martin Corporation Phased array feed reflector collar and paraconic ground plane

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950652C (de) * 1941-03-22 1956-10-11 Telefunken Gmbh Richtstrahler
DE1293255B (de) * 1962-11-20 1969-04-24 Rohde & Schwarz Spiegelantenne mit einem Primaerstrahler kreisfoermiger Apertur und einem paraboloidfoermigen Spiegel
CH493110A (de) * 1968-12-07 1970-06-30 Telefunken Patent Richtantenne
US3599219A (en) * 1969-01-29 1971-08-10 Andrew Corp Backlobe reduction in reflector-type antennas
US3696435A (en) * 1970-11-24 1972-10-03 Bell Telephone Labor Inc Offset parabolic reflector antenna
US3740755A (en) * 1972-01-12 1973-06-19 Sys Resources Corp Microwave antenna with radome
US3864688A (en) * 1972-03-24 1975-02-04 Andrew Corp Cross-polarized parabolic antenna
US4005433A (en) * 1975-12-05 1977-01-25 Hughes Aircraft Company Small wavelength high efficiency antenna

Also Published As

Publication number Publication date
CA1119292A (en) 1982-03-02
JPS54147757A (en) 1979-11-19
EP0005487A1 (en) 1979-11-28
US4263599A (en) 1981-04-21
IT7868069A0 (it) 1978-05-11
IT1108290B (it) 1985-12-02

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment