FI962951L - Elliptisen keilan antenni, joka on uudelleen konfiguroitavissa, zoomattavissa ja käännettävissä - Google Patents
Elliptisen keilan antenni, joka on uudelleen konfiguroitavissa, zoomattavissa ja käännettävissä Download PDFInfo
- Publication number
- FI962951L FI962951L FI962951A FI962951A FI962951L FI 962951 L FI962951 L FI 962951L FI 962951 A FI962951 A FI 962951A FI 962951 A FI962951 A FI 962951A FI 962951 L FI962951 L FI 962951L
- Authority
- FI
- Finland
- Prior art keywords
- zoomable
- reconfigurable
- rotatable
- beam antenna
- elliptical beam
- Prior art date
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
- H01Q19/18—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 having two or more spaced reflecting surfaces
- H01Q19/19—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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
- H01Q19/192—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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface with dual offset reflectors
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITRM940777A IT1275349B (it) | 1994-11-25 | 1994-11-25 | Antenna con fascio ellittico ruotabile con possibilita' di riconfigurazione e zoom del fascio |
| PCT/EP1995/001771 WO1996017403A1 (en) | 1994-11-25 | 1995-05-10 | Reconfigurable, zoomable, turnable, elliptical-beam antenna |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI962951A0 FI962951A0 (fi) | 1996-07-24 |
| FI962951A7 FI962951A7 (fi) | 1996-09-19 |
| FI962951L true FI962951L (fi) | 1996-09-19 |
Family
ID=11402840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI962951A FI962951L (fi) | 1994-11-25 | 1995-05-10 | Elliptisen keilan antenni, joka on uudelleen konfiguroitavissa, zoomattavissa ja käännettävissä |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5977923A (it) |
| EP (1) | EP0741917B1 (it) |
| JP (1) | JP3188474B2 (it) |
| AU (1) | AU2526695A (it) |
| DE (1) | DE69531604T2 (it) |
| DK (1) | DK0741917T3 (it) |
| ES (1) | ES2204951T3 (it) |
| FI (1) | FI962951L (it) |
| IT (1) | IT1275349B (it) |
| WO (1) | WO1996017403A1 (it) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6243048B1 (en) * | 2000-02-04 | 2001-06-05 | Space Systems/Loral, Inc. | Gregorian reflector antenna system having a subreflector optimized for an elliptical antenna aperture |
| US6603437B2 (en) * | 2001-02-13 | 2003-08-05 | Raytheon Company | High efficiency low sidelobe dual reflector antenna |
| US6441794B1 (en) * | 2001-08-13 | 2002-08-27 | Space Systems/Loral, Inc. | Dual function subreflector for communication satellite antenna |
| US6628238B2 (en) * | 2001-11-19 | 2003-09-30 | Parthasarathy Ramanujam | Sub-reflector for dual-reflector antenna system |
| WO2007064092A1 (en) * | 2005-11-29 | 2007-06-07 | Jiho Ahn | Antenna-feeder device and antenna |
| DE102008013066B3 (de) * | 2008-03-06 | 2009-10-01 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Vorrichtung zur zweidimensionalen Abbildung von Szenen durch Mikrowellen-Abtastung und Verwendung der Vorrichtung |
| US9379438B1 (en) * | 2009-12-01 | 2016-06-28 | Viasat, Inc. | Fragmented aperture for the Ka/K/Ku frequency bands |
| RU2580461C2 (ru) * | 2011-08-26 | 2016-04-10 | Нек Корпорейшн | Антенное устройство |
| US10122085B2 (en) * | 2014-12-15 | 2018-11-06 | The Boeing Company | Feed re-pointing technique for multiple shaped beams reflector antennas |
| US11146328B2 (en) | 2015-04-03 | 2021-10-12 | Qualcomm Incorporated | Method and apparatus for avoiding exceeding interference limits for a non-geostationary satellite system |
| US9590299B2 (en) | 2015-06-15 | 2017-03-07 | Northrop Grumman Systems Corporation | Integrated antenna and RF payload for low-cost inter-satellite links using super-elliptical antenna aperture with single axis gimbal |
| US9583840B1 (en) | 2015-07-02 | 2017-02-28 | The United States Of America As Represented By The Secretary Of The Air Force | Microwave zoom antenna using metal plate lenses |
| CN112147588B (zh) * | 2020-10-14 | 2022-03-01 | 中国电波传播研究所(中国电子科技集团公司第二十二研究所) | 一种不对称的雷达照射面积快速计算方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4425566A (en) * | 1981-08-31 | 1984-01-10 | Bell Telephone Laboratories, Incorporated | Antenna arrangement for providing a frequency independent field distribution with a small feedhorn |
| US4755826A (en) | 1983-01-10 | 1988-07-05 | The United States Of America As Represented By The Secretary Of The Navy | Bicollimated offset Gregorian dual reflector antenna system |
| JPS60178709A (ja) * | 1984-02-24 | 1985-09-12 | Nippon Telegr & Teleph Corp <Ntt> | オフセツト複反射鏡アンテナ |
| ES2028922T3 (es) * | 1987-03-18 | 1992-07-16 | Siemens Aktiengesellschaft | Dispositivo de antena direccional de microondas de dos espejos. |
-
1994
- 1994-11-25 IT ITRM940777A patent/IT1275349B/it active IP Right Grant
-
1995
- 1995-05-10 JP JP51809896A patent/JP3188474B2/ja not_active Expired - Lifetime
- 1995-05-10 DK DK95919437T patent/DK0741917T3/da active
- 1995-05-10 AU AU25266/95A patent/AU2526695A/en not_active Abandoned
- 1995-05-10 DE DE69531604T patent/DE69531604T2/de not_active Expired - Lifetime
- 1995-05-10 EP EP95919437A patent/EP0741917B1/en not_active Expired - Lifetime
- 1995-05-10 WO PCT/EP1995/001771 patent/WO1996017403A1/en not_active Ceased
- 1995-05-10 ES ES95919437T patent/ES2204951T3/es not_active Expired - Lifetime
- 1995-05-10 FI FI962951A patent/FI962951L/fi not_active Application Discontinuation
-
1997
- 1997-08-04 US US08/905,379 patent/US5977923A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP3188474B2 (ja) | 2001-07-16 |
| AU2526695A (en) | 1996-06-19 |
| FI962951A7 (fi) | 1996-09-19 |
| ITRM940777A1 (it) | 1996-05-25 |
| DK0741917T3 (da) | 2003-12-01 |
| WO1996017403A1 (en) | 1996-06-06 |
| DE69531604D1 (de) | 2003-10-02 |
| FI962951A0 (fi) | 1996-07-24 |
| JPH09504158A (ja) | 1997-04-22 |
| IT1275349B (it) | 1997-08-05 |
| ITRM940777A0 (it) | 1994-11-25 |
| DE69531604T2 (de) | 2004-06-24 |
| EP0741917A1 (en) | 1996-11-13 |
| EP0741917B1 (en) | 2003-08-27 |
| ES2204951T3 (es) | 2004-05-01 |
| US5977923A (en) | 1999-11-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GB | Transfer or assigment of application |
Owner name: FINMECCANICA S.P.A |
|
| PC | Transfer of assignment of patent |
Owner name: ALENIA SPAZIO S.P.A. Free format text: ALENIA SPAZIO S.P.A. |
|
| PC | Transfer of assignment of patent |
Owner name: FINMECCANICA-SOCIETE PR AZIONI Free format text: FINMECCANICA-SOCIETE PR AZIONI |
|
| FD | Application lapsed |