SE7811802L - Antennreflektor - Google Patents
AntennreflektorInfo
- Publication number
- SE7811802L SE7811802L SE7811802A SE7811802A SE7811802L SE 7811802 L SE7811802 L SE 7811802L SE 7811802 A SE7811802 A SE 7811802A SE 7811802 A SE7811802 A SE 7811802A SE 7811802 L SE7811802 L SE 7811802L
- Authority
- SE
- Sweden
- Prior art keywords
- antenna reflector
- reflector
- antenna
- Prior art date
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
- H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT69656/77A IT1091499B (it) | 1977-11-25 | 1977-11-25 | Riflettore parabolico ellittico per antenna con lobo principale del diagramma di irradiazione a sezione |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7811802L true SE7811802L (sv) | 1979-05-26 |
SE439710B SE439710B (sv) | 1985-06-24 |
Family
ID=11312571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7811802A SE439710B (sv) | 1977-11-25 | 1978-11-15 | Reflektorantenn som alstrar huvudstralningslob med elliptiskt tversnitt |
Country Status (7)
Country | Link |
---|---|
US (1) | US4232322A (sv) |
JP (1) | JPS5479542A (sv) |
DE (1) | DE2850492C2 (sv) |
FR (1) | FR2410375A1 (sv) |
GB (1) | GB2009514B (sv) |
IT (1) | IT1091499B (sv) |
SE (1) | SE439710B (sv) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3007128A1 (de) * | 1980-02-26 | 1981-09-03 | Siemens AG, 1000 Berlin und 8000 München | Mikrowellen-richtantenne zur erzeugung einer sektorgeformten strahlungskeule |
DE3011187C2 (de) * | 1980-03-22 | 1984-08-02 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Satellitenantenne für die Kommunikation zwischen zwei Bodenstationen über einen Synchronsatelliten |
EP0055591A1 (en) * | 1980-12-22 | 1982-07-07 | Cyril Victor Bunny | Jemcy conical receiving antenna |
US4688325A (en) * | 1984-11-30 | 1987-08-25 | Harris Corporation | Technique for fabricating offset, shaped antenna reflectors |
GB8430306D0 (en) * | 1984-11-30 | 1985-01-09 | British Telecomm | Transportable antenna |
EP0219321A1 (en) * | 1985-10-10 | 1987-04-22 | British Aerospace Public Limited Company | Antenna systems |
GB8813655D0 (en) * | 1988-06-09 | 1988-07-13 | British Aerospace | Spacecraft antenna system |
WO1990006004A1 (en) * | 1988-11-14 | 1990-05-31 | Crooks Michell Peacock Stewart (Qld) Pty. Limited | Offset parabolic reflector antenna |
US5175562A (en) * | 1989-06-23 | 1992-12-29 | Northeastern University | High aperture-efficient, wide-angle scanning offset reflector antenna |
EP0562355A3 (en) * | 1992-03-26 | 1995-06-14 | Siemens Ag | Antenna for radar surveillance |
US5859619A (en) * | 1996-10-22 | 1999-01-12 | Trw Inc. | Small volume dual offset reflector antenna |
US5977926A (en) * | 1998-09-10 | 1999-11-02 | Trw Inc. | Multi-focus reflector antenna |
US20110102233A1 (en) * | 2008-09-15 | 2011-05-05 | Trex Enterprises Corp. | Active millimeter-wave imaging system |
RU2580461C2 (ru) * | 2011-08-26 | 2016-04-10 | Нек Корпорейшн | Антенное устройство |
CN104145207B (zh) * | 2012-07-20 | 2016-03-23 | Jvc建伍株式会社 | 图像显示装置 |
US20140055314A1 (en) * | 2012-08-21 | 2014-02-27 | Northeastern University | Doubly shaped reflector transmitting antenna for millimeter-wave security scanning system |
EP2752941A1 (de) * | 2013-01-03 | 2014-07-09 | VEGA Grieshaber KG | Parabolantenne mit einem im Radom integrierten Subreflektor |
US10082530B1 (en) * | 2013-12-10 | 2018-09-25 | The Directv Group, Inc. | Method and apparatus for rapid and scalable testing of antennas |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1293255B (de) * | 1962-11-20 | 1969-04-24 | Rohde & Schwarz | Spiegelantenne mit einem Primaerstrahler kreisfoermiger Apertur und einem paraboloidfoermigen Spiegel |
NL143081C (nl) * | 1967-03-21 | 1974-08-15 | Siemens Ag | Gerichte antenne voor zeer korte elektromagnetische golven, in het bijzonder voor radardoeleinden. |
DE2263248A1 (de) * | 1972-12-23 | 1974-06-27 | Messerschmitt Boelkow Blohm | Satellitenantenne mit gekruemmtem reflektor |
US3995275A (en) * | 1973-07-12 | 1976-11-30 | Mitsubishi Denki Kabushiki Kaisha | Reflector antenna having main and subreflector of diverse curvature |
JPS6013322B2 (ja) * | 1976-11-18 | 1985-04-06 | 日本電気株式会社 | マルチビ−ム空中線 |
-
1977
- 1977-11-25 IT IT69656/77A patent/IT1091499B/it active
-
1978
- 1978-11-14 FR FR7832122A patent/FR2410375A1/fr active Granted
- 1978-11-14 JP JP13945078A patent/JPS5479542A/ja active Granted
- 1978-11-15 SE SE7811802A patent/SE439710B/sv not_active IP Right Cessation
- 1978-11-20 US US05/961,943 patent/US4232322A/en not_active Expired - Lifetime
- 1978-11-21 DE DE2850492A patent/DE2850492C2/de not_active Expired
- 1978-11-24 GB GB7845914A patent/GB2009514B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE439710B (sv) | 1985-06-24 |
IT1091499B (it) | 1985-07-06 |
FR2410375B1 (sv) | 1983-11-04 |
JPS6135721B2 (sv) | 1986-08-14 |
DE2850492C2 (de) | 1982-09-30 |
US4232322A (en) | 1980-11-04 |
JPS5479542A (en) | 1979-06-25 |
FR2410375A1 (fr) | 1979-06-22 |
GB2009514B (en) | 1982-09-15 |
DE2850492A1 (de) | 1979-05-31 |
GB2009514A (en) | 1979-06-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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