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 communications

Info

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
Application number
AU2001275993A
Inventor
Chih-Chien Hsu
Sudhakar K. Rao
Stephen A. Robinson
George Voulelikas
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.)
Boeing Co
Original Assignee
Boeing 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 Boeing Co filed Critical Boeing Co
Publication of AU2001275993A1 publication Critical patent/AU2001275993A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10Combinations 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
    • H01Q19/18Combinations 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
    • H01Q19/19Combinations 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/27Adaptation for use in or on movable bodies
    • H01Q1/28Adaptation for use in or on aircraft, missiles, satellites, or balloons
    • H01Q1/288Satellite antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/12Arrangements 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
    • H01Q3/16Arrangements 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
    • H01Q3/18Arrangements 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)
AU2001275993A 2000-07-19 2001-07-19 Method and apparatus for zooming and reconfiguring circular beams for satellite communications Abandoned AU2001275993A1 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

Similar Documents

Publication Publication Date Title
AU2001232936A1 (en) Network portal apparatus and method
AU3126400A (en) Apparatus and method for wireless communications
AU2001247753A1 (en) Method and apparatus for integrated-battery devices
AU2002235130A1 (en) Method and system for providing communications services
AU2002316411A1 (en) Methods and apparatus for supporting group communications
AU3932100A (en) Method and apparatus for providing expanded telecommunications service
AU3954201A (en) Radio communication apparatus and radio communication method
AU8756798A (en) Fabrication system, method and apparatus for microelectromechanical devices
AU3116600A (en) Method and apparatus for configuring mobile telephones
AU5263700A (en) Method and apparatus for secure communication
AU6332100A (en) Method of and apparatus for beam reduction and combining in a radio communications system
AU2001265416A1 (en) Method and apparatus for beam forming
AU4904901A (en) Method and apparatus for optical reception
AU4106201A (en) Radio communication apparatus and radio communication method
AU2001287866A1 (en) Methods and apparatus for interactive communications
AU1157999A (en) Method and apparatus for directional radio communication
EP1206048A3 (en) Mobile communication system and method for controlling receiving quality
AU7593298A (en) Method and apparatus for adapting omnidirectional synchronous wireless communication
AU4880101A (en) Radio communication apparatus and radio communication method
AU5056401A (en) Communications method and system
AU2001261267A1 (en) Method and apparatus for a distributed home-automation-control (hac) window
AU2001275993A1 (en) Method and apparatus for zooming and reconfiguring circular beams for satellite communications
AU5976300A (en) Method and apparatus for establishing communication
AU2002212442A1 (en) Communications apparatus and method
AU2003287353A1 (en) Method and apparatus for cell reselection within a communications system