BE825218A - Combinaison d'antennes a reutilisation de frequence - Google Patents

Combinaison d'antennes a reutilisation de frequence

Info

Publication number
BE825218A
BE825218A BE153092A BE153092A BE825218A BE 825218 A BE825218 A BE 825218A BE 153092 A BE153092 A BE 153092A BE 153092 A BE153092 A BE 153092A BE 825218 A BE825218 A BE 825218A
Authority
BE
Belgium
Prior art keywords
combination
frequency reuse
antennas
reuse antennas
frequency
Prior art date
Application number
BE153092A
Other languages
English (en)
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 filed Critical
Publication of BE825218A publication Critical patent/BE825218A/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • 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
    • H01Q19/17—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 comprising two or more radiating elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/001—Crossed polarisation dual antennas
BE153092A 1974-02-06 1975-02-05 Combinaison d'antennes a reutilisation de frequence BE825218A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US439871A US3898667A (en) 1974-02-06 1974-02-06 Compact frequency reuse antenna

Publications (1)

Publication Number Publication Date
BE825218A true BE825218A (fr) 1975-05-29

Family

ID=23746476

Family Applications (1)

Application Number Title Priority Date Filing Date
BE153092A BE825218A (fr) 1974-02-06 1975-02-05 Combinaison d'antennes a reutilisation de frequence

Country Status (9)

Country Link
US (1) US3898667A (fr)
JP (2) JPS5729882B2 (fr)
BE (1) BE825218A (fr)
CA (1) CA1039842A (fr)
DE (1) DE2502531C3 (fr)
FR (1) FR2260197B1 (fr)
GB (1) GB1484102A (fr)
IT (1) IT1028386B (fr)
NL (1) NL7501367A (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898667A (en) * 1974-02-06 1975-08-05 Rca Corp Compact frequency reuse antenna
JPS5829205A (ja) * 1981-08-13 1983-02-21 Nippon Telegr & Teleph Corp <Ntt> マルチビ−ムアンテナ装置
GB2110003B (en) * 1981-11-19 1985-03-13 Marconi Co Ltd Antenna assemblies
JPS58205308A (ja) * 1982-05-25 1983-11-30 Nippon Telegr & Teleph Corp <Ntt> マルチビ−ムアンテナ装置
JPS58205307A (ja) * 1982-05-25 1983-11-30 Nippon Telegr & Teleph Corp <Ntt> マルチビ−ムアンテナ装置
US4575726A (en) * 1982-08-16 1986-03-11 Rca Corporation Antenna construction including two superimposed polarized parabolic reflectors
US4550319A (en) * 1982-09-22 1985-10-29 Rca Corporation Reflector antenna mounted in thermal distortion isolation
DE3337049A1 (de) * 1983-10-12 1985-05-09 Gesellschaft für Schwerionenforschung mbH, 6100 Darmstadt Feststoff mit besonderen elektrischen eigenschaften und verfahren zur herstellung eines solchen feststoffes
DE3402659A1 (de) * 1984-01-26 1985-08-01 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Reflektorantenne fuer den betrieb in mehreren frequenzbereichen
FR2568062B1 (fr) * 1984-07-17 1986-11-07 Thomson Alcatel Espace Antenne bifrequence a meme couverture de zone a polarisation croisee pour satellites de telecommunications
JPS6168526A (ja) * 1984-09-12 1986-04-08 Omron Tateisi Electronics Co 発振形測温回路
JPS6168527A (ja) * 1984-09-12 1986-04-08 Omron Tateisi Electronics Co 発振形測温回路
US4625214A (en) * 1984-10-15 1986-11-25 Rca Corporation Dual gridded reflector structure
US4647938A (en) * 1984-10-29 1987-03-03 Agence Spatiale Europeenne Double grid reflector antenna
CA1258707A (fr) * 1984-12-26 1989-08-22 Tomozo Ohta Systeme d'antenne
DE3609084A1 (de) * 1985-07-26 1987-02-05 Messerschmitt Boelkow Blohm Reflektoranordnung
DE3609078A1 (de) * 1985-07-26 1987-02-05 Messerschmitt Boelkow Blohm Reflektoranordnung
JPS6246238A (ja) * 1985-08-23 1987-02-28 Omron Tateisi Electronics Co 生化学測定装置
JPS6256887A (ja) * 1985-09-05 1987-03-12 Zenkichi Kishimoto 温度計を具えた時計
CA1263180A (fr) * 1985-11-12 1989-11-21 Rca Corporation Systeme d'antenne a reflecteur a polarisation lineaire a grille a rejection amelioree des signaux a polarisation transversale
USRE34410E (en) * 1986-08-14 1993-10-19 Hughes Aircraft Company Antenna system for hybrid communication satellite
US4792813A (en) * 1986-08-14 1988-12-20 Hughes Aircraft Company Antenna system for hybrid communications satellite
DE3629315A1 (de) * 1986-08-28 1988-03-10 Messerschmitt Boelkow Blohm Reflektoranordnung fuer einen geostationaeren satelliten
US5136294A (en) * 1987-01-12 1992-08-04 Nec Corporation Multibeam antenna
US4845510A (en) * 1987-08-10 1989-07-04 Hughes Aircraft Company Reflector surface adjustment structure
US4823143A (en) * 1988-04-22 1989-04-18 Hughes Aircraft Company Intersecting shared aperture antenna reflectors
GB2264006B (en) * 1992-02-01 1995-09-27 British Aerospace Space And Co A reflector antenna assembly for dual linear polarisation
CA2105745C (fr) * 1992-09-21 1997-12-16 Parthasarathy Ramanujam Reflecteurs a configurations de surface identiques monte en semi-tandem
US6137451A (en) * 1997-10-30 2000-10-24 Space Systems/Loral, Inc. Multiple beam by shaped reflector antenna
US5949370A (en) * 1997-11-07 1999-09-07 Space Systems/Loral, Inc. Positionable satellite antenna with reconfigurable beam
US6049312A (en) * 1998-02-11 2000-04-11 Space Systems/Loral, Inc. Antenna system with plural reflectors
US5977926A (en) * 1998-09-10 1999-11-02 Trw Inc. Multi-focus reflector antenna
US6225964B1 (en) * 1999-06-09 2001-05-01 Hughes Electronics Corporation Dual gridded reflector antenna system
US6621461B1 (en) * 2000-08-09 2003-09-16 Hughes Electronics Corporation Gridded reflector antenna
WO2006110308A2 (fr) * 2005-03-28 2006-10-19 Radiolink Networks, Inc. Antennes duplex alignees a haute isolation
FR3068522B1 (fr) * 2017-06-30 2019-08-16 Airbus Safran Launchers Sas Systeme d'interface modulaire pour un reflecteur d'antenne, en particulier d'une antenne d'un engin spatial tel qu'un satellite notamment.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE551006A (fr) * 1955-10-03
US3096519A (en) * 1958-04-14 1963-07-02 Sperry Rand Corp Composite reflector for two independent orthogonally polarized beams
FR1214296A (fr) * 1958-10-29 1960-04-07 Thomson Houston Comp Francaise Nouvelle antenne pour ondes ultra-courtes
NL247291A (fr) * 1958-12-23
US3049708A (en) * 1959-11-20 1962-08-14 Sperry Rand Corp Polarization sensitive antenna system
US3267472A (en) * 1960-07-20 1966-08-16 Litton Systems Inc Variable aperture antenna system
US3898667A (en) * 1974-02-06 1975-08-05 Rca Corp Compact frequency reuse antenna

Also Published As

Publication number Publication date
DE2502531A1 (de) 1975-08-28
US3898667A (en) 1975-08-05
CA1039842A (fr) 1978-10-03
FR2260197B1 (fr) 1980-09-12
NL7501367A (nl) 1975-08-08
DE2502531C3 (de) 1981-10-15
IT1028386B (it) 1979-01-30
JPS5678204A (en) 1981-06-27
DE2502531B2 (de) 1981-01-22
JPS5816801B2 (ja) 1983-04-02
GB1484102A (en) 1977-08-24
JPS50110751A (fr) 1975-09-01
JPS5729882B2 (fr) 1982-06-25
FR2260197A1 (fr) 1975-08-29

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: RCA CORP.

Effective date: 19840205