AU2001275993A1 - Method and apparatus for zooming and reconfiguring circular beams for satellite communications - Google Patents
Method and apparatus for zooming and reconfiguring circular beams for satellite communicationsInfo
- Publication number
- AU2001275993A1 AU2001275993A1 AU2001275993A AU7599301A AU2001275993A1 AU 2001275993 A1 AU2001275993 A1 AU 2001275993A1 AU 2001275993 A AU2001275993 A AU 2001275993A AU 7599301 A AU7599301 A AU 7599301A AU 2001275993 A1 AU2001275993 A1 AU 2001275993A1
- Authority
- AU
- Australia
- Prior art keywords
- reconfiguring
- zooming
- satellite communications
- circular beams
- beams
- 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.)
- Abandoned
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/288—Satellite antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/16—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
- H01Q3/18—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is movable and the reflecting device is fixed
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/619,042 US6577282B1 (en) | 2000-07-19 | 2000-07-19 | Method and apparatus for zooming and reconfiguring circular beams for satellite communications |
US09619042 | 2000-07-19 | ||
PCT/US2001/022779 WO2002007256A2 (en) | 2000-07-19 | 2001-07-19 | Method and apparatus for zooming and reconfiguring circular beams for satellite communications |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001275993A1 true AU2001275993A1 (en) | 2002-01-30 |
Family
ID=24480217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001275993A Abandoned AU2001275993A1 (en) | 2000-07-19 | 2001-07-19 | Method and apparatus for zooming and reconfiguring circular beams for satellite communications |
Country Status (4)
Country | Link |
---|---|
US (1) | US6577282B1 (en) |
EP (1) | EP1303888B1 (en) |
AU (1) | AU2001275993A1 (en) |
WO (1) | WO2002007256A2 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7315279B1 (en) | 2004-09-07 | 2008-01-01 | Lockheed Martin Corporation | Antenna system for producing variable-size beams |
US7403172B2 (en) * | 2006-04-18 | 2008-07-22 | Intel Corporation | Reconfigurable patch antenna apparatus, systems, and methods |
EP2137789B1 (en) | 2007-03-16 | 2013-05-08 | Mobile SAT Ltd. | A vehicle mounted antenna and methods for transmitting and/or receiving signals |
FR2925769B1 (en) * | 2007-12-21 | 2010-05-21 | Thales Sa | SIGNAL DELIVERY DEVICE FOR MOBILE ANTENNA POSITIONER. |
US8253641B1 (en) * | 2009-07-08 | 2012-08-28 | Northrop Grumman Systems Corporation | Wideband wide scan antenna matching structure using electrically floating plates |
US9929474B2 (en) | 2015-07-02 | 2018-03-27 | Sea Tel, Inc. | Multiple-feed antenna system having multi-position subreflector assembly |
PE20200277A1 (en) * | 2017-04-10 | 2020-02-04 | Viasat Inc | ADJUSTING THE COVERAGE AREA TO ADAPT SATELLITE COMMUNICATIONS |
GB201811459D0 (en) * | 2018-07-12 | 2018-08-29 | Airbus Defence & Space Ltd | Reconfigurable active array-fed reflector antenna |
CN113270727B (en) * | 2020-02-14 | 2023-06-02 | 上海华为技术有限公司 | Antenna device |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4042933A (en) * | 1976-03-19 | 1977-08-16 | The United States Of America As Represented By The Secretary Of The Navy | Antenna line scan system for helicopter wire detection |
JPS5744302A (en) * | 1980-08-28 | 1982-03-12 | Mitsubishi Electric Corp | Antenna device |
FR2517626A1 (en) * | 1981-12-04 | 1983-06-10 | Europ Agence Spatiale | ORBITAL SPACE ENGINE, IN PARTICULAR SATELLITE, WITH MULTIPLE MISSIONS |
US4504835A (en) * | 1982-06-15 | 1985-03-12 | The United States Of America As Represented By The Secretary Of The Navy | Low sidelobe, high efficiency mirror antenna with twist reflector |
US4604624A (en) * | 1982-11-16 | 1986-08-05 | At&T Bell Laboratories | Phased array antenna employing linear scan for wide-angle arc coverage with polarization matching |
US4668955A (en) * | 1983-11-14 | 1987-05-26 | Ford Aerospace & Communications Corporation | Plural reflector antenna with relatively moveable reflectors |
FR2652452B1 (en) | 1989-09-26 | 1992-03-20 | Europ Agence Spatiale | DEVICE FOR SUPPLYING A MULTI-BEAM ANTENNA. |
CA2105745C (en) * | 1992-09-21 | 1997-12-16 | Parthasarathy Ramanujam | Identical surface shaped reflectors in semi-tandem arrangement |
US5546097A (en) * | 1992-12-22 | 1996-08-13 | Hughes Aircraft Company | Shaped dual reflector antenna system for generating a plurality of beam coverages |
US5459475A (en) * | 1993-12-22 | 1995-10-17 | Center For Innovative Technology | Wide scanning spherical antenna |
US5485168A (en) * | 1994-12-21 | 1996-01-16 | Electrospace Systems, Inc. | Multiband satellite communication antenna system with retractable subreflector |
US5859619A (en) * | 1996-10-22 | 1999-01-12 | Trw Inc. | Small volume dual offset reflector antenna |
US6031502A (en) * | 1996-11-27 | 2000-02-29 | Hughes Electronics Corporation | On-orbit reconfigurability of a shaped reflector with feed/reflector defocusing and reflector gimballing |
US6102339A (en) * | 1998-04-17 | 2000-08-15 | Turbosat Technology, Inc. | Sun-synchronous sun ray blocking device for use in a spacecraft having a directionally controlled main body |
US6043788A (en) * | 1998-07-31 | 2000-03-28 | Seavey; John M. | Low earth orbit earth station antenna |
DE19838246C2 (en) * | 1998-08-22 | 2001-01-04 | Daimler Chrysler Ag | Bispectral window for a reflector and reflector antenna with this bispectral window |
US6266024B1 (en) | 1998-12-23 | 2001-07-24 | Hughes Electronics Corporation | Rotatable and scannable reconfigurable shaped reflector with a movable feed system |
US6225964B1 (en) * | 1999-06-09 | 2001-05-01 | Hughes Electronics Corporation | Dual gridded reflector antenna system |
US6243047B1 (en) * | 1999-08-27 | 2001-06-05 | Raytheon Company | Single mirror dual axis beam waveguide antenna system |
US6198455B1 (en) * | 2000-03-21 | 2001-03-06 | Space Systems/Loral, Inc. | Variable beamwidth antenna systems |
-
2000
- 2000-07-19 US US09/619,042 patent/US6577282B1/en not_active Expired - Fee Related
-
2001
- 2001-07-19 WO PCT/US2001/022779 patent/WO2002007256A2/en active Application Filing
- 2001-07-19 AU AU2001275993A patent/AU2001275993A1/en not_active Abandoned
- 2001-07-19 EP EP01953557A patent/EP1303888B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1303888A2 (en) | 2003-04-23 |
EP1303888B1 (en) | 2011-06-22 |
WO2002007256A3 (en) | 2002-05-23 |
US6577282B1 (en) | 2003-06-10 |
WO2002007256A2 (en) | 2002-01-24 |
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