JPH0459802B2 - - Google Patents

Info

Publication number
JPH0459802B2
JPH0459802B2 JP58148696A JP14869683A JPH0459802B2 JP H0459802 B2 JPH0459802 B2 JP H0459802B2 JP 58148696 A JP58148696 A JP 58148696A JP 14869683 A JP14869683 A JP 14869683A JP H0459802 B2 JPH0459802 B2 JP H0459802B2
Authority
JP
Japan
Prior art keywords
reflector
rib
reflectors
antenna
transparent
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 - Lifetime
Application number
JP58148696A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5952903A (ja
Inventor
Natarayan Gaunda Rai
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of JPS5952903A publication Critical patent/JPS5952903A/ja
Publication of JPH0459802B2 publication Critical patent/JPH0459802B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/141—Apparatus or processes specially adapted for manufacturing reflecting surfaces
    • H01Q15/142—Apparatus or processes specially adapted for manufacturing reflecting surfaces using insulating material for supporting the reflecting surface
    • H01Q15/144—Apparatus or processes specially adapted for manufacturing reflecting surfaces using insulating material for supporting the reflecting surface with a honeycomb, cellular or foamed sandwich structure
    • 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

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
  • Details Of Aerials (AREA)
JP58148696A 1982-08-16 1983-08-12 アンテナ構体 Granted JPS5952903A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US408503 1982-08-16
US06/408,503 US4575726A (en) 1982-08-16 1982-08-16 Antenna construction including two superimposed polarized parabolic reflectors

Publications (2)

Publication Number Publication Date
JPS5952903A JPS5952903A (ja) 1984-03-27
JPH0459802B2 true JPH0459802B2 (en]) 1992-09-24

Family

ID=23616545

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58148696A Granted JPS5952903A (ja) 1982-08-16 1983-08-12 アンテナ構体

Country Status (6)

Country Link
US (1) US4575726A (en])
JP (1) JPS5952903A (en])
CA (1) CA1206606A (en])
DE (1) DE3329558A1 (en])
FR (1) FR2531817B1 (en])
GB (1) GB2125633B (en])

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4625214A (en) * 1984-10-15 1986-11-25 Rca Corporation Dual gridded reflector structure
DE3609084A1 (de) * 1985-07-26 1987-02-05 Messerschmitt Boelkow Blohm Reflektoranordnung
DE3609078A1 (de) * 1985-07-26 1987-02-05 Messerschmitt Boelkow Blohm Reflektoranordnung
SE455745B (sv) * 1987-06-30 1988-08-01 Syd Sparbanken Reflektor for en parabolantenn
US4939526A (en) * 1988-12-22 1990-07-03 Hughes Aircraft Company Antenna system having azimuth rotating directive beam with selectable polarization
FR2649539B1 (fr) * 1989-07-06 1991-11-08 Yves Devillers Antenne demontable et aerotransportable pour telecommunications bidirectionnelles avec un satellite
GB2237685A (en) * 1989-10-05 1991-05-08 Nigel Henry New Aerial
FR2664750B1 (fr) * 1990-07-11 1993-01-29 Aerospatiale Bireflecteur a grilles.
US5333003A (en) * 1992-01-21 1994-07-26 Trw Inc. Laminated composite shell structure having improved thermoplastic properties and method for its fabrication
CA2105745C (en) * 1992-09-21 1997-12-16 Parthasarathy Ramanujam Identical surface shaped reflectors in semi-tandem arrangement
US5847681A (en) * 1996-10-30 1998-12-08 Hughes Electronics Corporation Communication and tracking antenna systems for satellites
US6028569A (en) * 1997-07-07 2000-02-22 Hughes Electronics Corporation High-torque apparatus and method using composite materials for deployment of a multi-rib umbrella-type reflector
US6891511B1 (en) * 2002-11-07 2005-05-10 Lockheed Martin Corporation Method of fabricating a radar array
US7193578B1 (en) * 2005-10-07 2007-03-20 Lockhead Martin Corporation Horn antenna array and methods for fabrication thereof
JP4986897B2 (ja) * 2008-03-14 2012-07-25 三菱電機株式会社 衛星搭載用偏波共用アンテナ装置
US9395217B1 (en) 2014-01-22 2016-07-19 Paul C. Gaor Vehicle location assisting device
CN111201447A (zh) * 2017-09-01 2020-05-26 诺基亚通信公司 远程电可倾斜扩散式聚焦无源反射器
WO2019246587A2 (en) * 2018-06-21 2019-12-26 SeeScan, Inc. Electromagnetic marker devices for buried or hidden use

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2682491A (en) * 1952-02-23 1954-06-29 Dalmo Victor Company Skin for doubly curved sandwichtype panels
US2742387A (en) * 1953-09-28 1956-04-17 Lavoie Lab Inc Reflector for electromagnetic radiations and method of making same
US3096519A (en) * 1958-04-14 1963-07-02 Sperry Rand Corp Composite reflector for two independent orthogonally polarized beams
FR1213871A (fr) * 1958-10-31 1960-04-05 Thomson Houston Comp Francaise Perfectionnements aux antennes fonctionnant en hyperfréquences
GB884313A (en) * 1959-08-10 1961-12-13 Gen Electric Co Ltd Improvements in or relating to passive aerials
US3483614A (en) * 1962-12-14 1969-12-16 Hexcel Products Inc Method for making dimpled honeycomb sandwich
US3898667A (en) * 1974-02-06 1975-08-05 Rca Corp Compact frequency reuse antenna
US4198639A (en) * 1978-12-26 1980-04-15 Cubic Corporation Parabolic and log periodic antennas combined for compact high-gain broadband antenna system
US4274099A (en) * 1979-02-26 1981-06-16 Downs James W Random conductive roving reflective surfacing for antennas and guides
JPS5757006A (en) * 1980-09-24 1982-04-06 Nippon Telegr & Teleph Corp <Ntt> Antenna structure

Also Published As

Publication number Publication date
DE3329558A1 (de) 1984-02-16
FR2531817A1 (fr) 1984-02-17
CA1206606A (en) 1986-06-24
JPS5952903A (ja) 1984-03-27
FR2531817B1 (fr) 1987-01-30
GB2125633B (en) 1985-11-27
GB8321775D0 (en) 1983-09-14
GB2125633A (en) 1984-03-07
US4575726A (en) 1986-03-11

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