JPS5729882B2 - - Google Patents

Info

Publication number
JPS5729882B2
JPS5729882B2 JP1614775A JP1614775A JPS5729882B2 JP S5729882 B2 JPS5729882 B2 JP S5729882B2 JP 1614775 A JP1614775 A JP 1614775A JP 1614775 A JP1614775 A JP 1614775A JP S5729882 B2 JPS5729882 B2 JP S5729882B2
Authority
JP
Japan
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
JP1614775A
Other languages
Japanese (ja)
Other versions
JPS50110751A (enrdf_load_stackoverflow
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 JPS50110751A publication Critical patent/JPS50110751A/ja
Publication of JPS5729882B2 publication Critical patent/JPS5729882B2/ja
Expired legal-status Critical Current

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

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
JP1614775A 1974-02-06 1975-02-06 Expired JPS5729882B2 (enrdf_load_stackoverflow)

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 (2)

Publication Number Publication Date
JPS50110751A JPS50110751A (enrdf_load_stackoverflow) 1975-09-01
JPS5729882B2 true JPS5729882B2 (enrdf_load_stackoverflow) 1982-06-25

Family

ID=23746476

Family Applications (2)

Application Number Title Priority Date Filing Date
JP1614775A Expired JPS5729882B2 (enrdf_load_stackoverflow) 1974-02-06 1975-02-06
JP55157555A Expired JPS5816801B2 (ja) 1974-02-06 1980-11-07 マイクロ波アンテナ装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP55157555A Expired JPS5816801B2 (ja) 1974-02-06 1980-11-07 マイクロ波アンテナ装置

Country Status (9)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6168527A (ja) * 1984-09-12 1986-04-08 Omron Tateisi Electronics Co 発振形測温回路
JPS6168526A (ja) * 1984-09-12 1986-04-08 Omron Tateisi Electronics Co 発振形測温回路
JPS6256887A (ja) * 1985-09-05 1987-03-12 Zenkichi Kishimoto 温度計を具えた時計

Families Citing this family (34)

* 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
JPS58205307A (ja) * 1982-05-25 1983-11-30 Nippon Telegr & Teleph Corp <Ntt> マルチビ−ムアンテナ装置
JPS58205308A (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
USD279008S (en) 1983-09-12 1985-05-28 Arcieri Robert G Housing for a waveguide feed for a parabolic dish antenna
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
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 (en) * 1984-12-26 1989-08-22 Tomozo Ohta Antenna system
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
CA1263180A (en) * 1985-11-12 1989-11-21 Rca Corporation Linearly polarized grid reflector antenna systems with improved cross-polarization performance
US4792813A (en) * 1986-08-14 1988-12-20 Hughes Aircraft Company Antenna system for hybrid communications satellite
USRE34410E (en) * 1986-08-14 1993-10-19 Hughes Aircraft Company Antenna system for hybrid communication 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 (en) * 1992-09-21 1997-12-16 Parthasarathy Ramanujam Identical surface shaped reflectors in semi-tandem arrangement
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 (en) * 2005-03-28 2006-10-19 Radiolink Networks, Inc. Aligned duplex antennae with high 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 (enrdf_load_stackoverflow) * 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
NL246679A (enrdf_load_stackoverflow) * 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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6168527A (ja) * 1984-09-12 1986-04-08 Omron Tateisi Electronics Co 発振形測温回路
JPS6168526A (ja) * 1984-09-12 1986-04-08 Omron Tateisi Electronics Co 発振形測温回路
JPS6256887A (ja) * 1985-09-05 1987-03-12 Zenkichi Kishimoto 温度計を具えた時計

Also Published As

Publication number Publication date
CA1039842A (en) 1978-10-03
DE2502531C3 (de) 1981-10-15
DE2502531A1 (de) 1975-08-28
BE825218A (fr) 1975-05-29
FR2260197A1 (enrdf_load_stackoverflow) 1975-08-29
JPS50110751A (enrdf_load_stackoverflow) 1975-09-01
JPS5816801B2 (ja) 1983-04-02
US3898667A (en) 1975-08-05
NL7501367A (nl) 1975-08-08
IT1028386B (it) 1979-01-30
FR2260197B1 (enrdf_load_stackoverflow) 1980-09-12
GB1484102A (en) 1977-08-24
DE2502531B2 (de) 1981-01-22
JPS5678204A (en) 1981-06-27

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