DE69910723D1 - Drehbarer und schwenkbarer Reflektor mit beweglichem Strahler - Google Patents

Drehbarer und schwenkbarer Reflektor mit beweglichem Strahler

Info

Publication number
DE69910723D1
DE69910723D1 DE69910723T DE69910723T DE69910723D1 DE 69910723 D1 DE69910723 D1 DE 69910723D1 DE 69910723 T DE69910723 T DE 69910723T DE 69910723 T DE69910723 T DE 69910723T DE 69910723 D1 DE69910723 D1 DE 69910723D1
Authority
DE
Germany
Prior art keywords
swiveling
reflector
spotlight
moveable
moveable spotlight
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
DE69910723T
Other languages
English (en)
Other versions
DE69910723T2 (de
Inventor
Parthasarathy Ramanujam
Brian M Park
Louis R Fermelia
Vincent E Cascia
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.)
DirecTV Group Inc
Original Assignee
Hughes Electronics Corp
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 Hughes Electronics Corp filed Critical Hughes Electronics Corp
Publication of DE69910723D1 publication Critical patent/DE69910723D1/de
Application granted granted Critical
Publication of DE69910723T2 publication Critical patent/DE69910723T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • H01Q3/20—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 fixed and the reflecting device is movable

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)
  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
DE69910723T 1998-12-23 1999-12-09 Drehbarer und schwenkbarer Reflektor mit beweglichem Strahler Expired - Lifetime DE69910723T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/222,420 US6266024B1 (en) 1998-12-23 1998-12-23 Rotatable and scannable reconfigurable shaped reflector with a movable feed system
US222420 1998-12-23

Publications (2)

Publication Number Publication Date
DE69910723D1 true DE69910723D1 (de) 2003-10-02
DE69910723T2 DE69910723T2 (de) 2004-06-17

Family

ID=22832126

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69910723T Expired - Lifetime DE69910723T2 (de) 1998-12-23 1999-12-09 Drehbarer und schwenkbarer Reflektor mit beweglichem Strahler

Country Status (4)

Country Link
US (1) US6266024B1 (de)
EP (1) EP1014483B1 (de)
JP (1) JP3361082B2 (de)
DE (1) DE69910723T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2806214B1 (fr) * 2000-03-10 2003-08-01 Agence Spatiale Europeenne Antenne reflectrice comportant une pluralite de panneaux
US6198455B1 (en) * 2000-03-21 2001-03-06 Space Systems/Loral, Inc. Variable beamwidth antenna systems
US6577282B1 (en) * 2000-07-19 2003-06-10 Hughes Electronics Corporation Method and apparatus for zooming and reconfiguring circular beams for satellite communications
US6456252B1 (en) * 2000-10-23 2002-09-24 The Boeing Company Phase-only reconfigurable multi-feed reflector antenna for shaped beams
US6888515B2 (en) * 2003-03-31 2005-05-03 The Aerospace Corporation Adaptive reflector antenna and method for implementing the same
US7944404B2 (en) * 2004-12-07 2011-05-17 Electronics And Telecommunications Research Institute Circular polarized helical radiation element and its array antenna operable in TX/RX band
KR20100015599A (ko) 2007-03-16 2010-02-12 모바일 에스에이티 리미티드 신호 송신 및/또는 수신을 위한 이동체 장착 안테나 및 방법
IT1404265B1 (it) * 2011-01-28 2013-11-15 Thales Alenia Space Italia Spa Con Unico Socio Sistema d'antenna per satelliti in orbita bassa
US11923616B2 (en) * 2022-03-23 2024-03-05 Kratos Antenna Solutions Corporation Antenna feed horn with near-constant phase center with subreflector tracking in the z-axis

Family Cites Families (7)

* Cited by examiner, † Cited by third party
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
US4535338A (en) * 1982-05-10 1985-08-13 At&T Bell Laboratories Multibeam antenna arrangement
US4618867A (en) * 1984-06-14 1986-10-21 At&T Bell Laboratories Scanning beam antenna with linear array feed
FR2593646B1 (fr) 1986-01-28 1988-07-29 Thomson Csf Antenne radar a faible encombrement.
FR2713404B1 (fr) * 1993-12-02 1996-01-05 Alcatel Espace Antenne orientale avec conservation des axes de polarisation.
EP0918367A3 (de) 1997-11-19 2004-01-21 RR ELEKTRONISCHE GERÄTE GmbH & Co. KG Nachführsystem und Verfahren zum Ausrichten einer verschwenkbaren Reflektorantenne auf eine Strahlungsquelle
US6043788A (en) * 1998-07-31 2000-03-28 Seavey; John M. Low earth orbit earth station antenna

Also Published As

Publication number Publication date
JP3361082B2 (ja) 2003-01-07
EP1014483A1 (de) 2000-06-28
US6266024B1 (en) 2001-07-24
JP2000196349A (ja) 2000-07-14
DE69910723T2 (de) 2004-06-17
EP1014483B1 (de) 2003-08-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: WITTE, WELLER & PARTNER, 70178 STUTTGART