EP0139482A3 - Doppelreflektorabtastantenne - Google Patents

Doppelreflektorabtastantenne Download PDF

Info

Publication number
EP0139482A3
EP0139482A3 EP84306454A EP84306454A EP0139482A3 EP 0139482 A3 EP0139482 A3 EP 0139482A3 EP 84306454 A EP84306454 A EP 84306454A EP 84306454 A EP84306454 A EP 84306454A EP 0139482 A3 EP0139482 A3 EP 0139482A3
Authority
EP
European Patent Office
Prior art keywords
dish
feed
movable
reflector antenna
dual reflector
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.)
Withdrawn
Application number
EP84306454A
Other languages
English (en)
French (fr)
Other versions
EP0139482A2 (de
Inventor
William John British Aerospace P.L.C. Hall
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.)
BAE Systems PLC
Original Assignee
British Aerospace PLC
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 British Aerospace PLC filed Critical British Aerospace PLC
Publication of EP0139482A2 publication Critical patent/EP0139482A2/de
Publication of EP0139482A3 publication Critical patent/EP0139482A3/de
Withdrawn legal-status Critical Current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
    • 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

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)
EP84306454A 1983-09-22 1984-09-21 Doppelreflektorabtastantenne Withdrawn EP0139482A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8325386 1983-09-22
GB8325386 1983-09-22

Publications (2)

Publication Number Publication Date
EP0139482A2 EP0139482A2 (de) 1985-05-02
EP0139482A3 true EP0139482A3 (de) 1986-07-16

Family

ID=10549149

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84306454A Withdrawn EP0139482A3 (de) 1983-09-22 1984-09-21 Doppelreflektorabtastantenne

Country Status (2)

Country Link
EP (1) EP0139482A3 (de)
JP (1) JPS6089104A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2713404B1 (fr) * 1993-12-02 1996-01-05 Alcatel Espace Antenne orientale avec conservation des axes de polarisation.
JP5450106B2 (ja) 2007-03-16 2014-03-26 モバイル サット リミテッド 車載アンテナおよび信号を送受信するための方法
FR2952238B1 (fr) 2009-11-03 2012-05-04 Thales Sa Montage d'antenne a faisceau mobile
US10230164B2 (en) 2016-09-14 2019-03-12 Raytheon Company Antenna positioning mechanism
CN109301452B (zh) * 2018-09-19 2024-02-02 中国科学院遥感与数字地球研究所 S/X/Ka三轴天线

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2074724A1 (de) * 1970-01-21 1971-10-08 Comp Generale Electricite
US3708795A (en) * 1970-02-10 1973-01-02 Hawker Siddeley Aviation Ltd Cassegrain antenna mounted in aircraft nose cone
US3845483A (en) * 1972-03-08 1974-10-29 Nippon Electric Co Antenna system
GB2031655A (en) * 1978-09-08 1980-04-23 Marconi Co Ltd Dual beam antenna system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2074724A1 (de) * 1970-01-21 1971-10-08 Comp Generale Electricite
US3708795A (en) * 1970-02-10 1973-01-02 Hawker Siddeley Aviation Ltd Cassegrain antenna mounted in aircraft nose cone
US3845483A (en) * 1972-03-08 1974-10-29 Nippon Electric Co Antenna system
GB2031655A (en) * 1978-09-08 1980-04-23 Marconi Co Ltd Dual beam antenna system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
AP-S INTERNATIONAL SYMPOSIUM, 11th-15th October 1976, Amherst, US, pages 20-23, IEEE, New York, US; L.J. COOPER et al.: "Off-axis patterns of high-efficiency and conventional cassegrain antennas with multimode feed horns" *

Also Published As

Publication number Publication date
EP0139482A2 (de) 1985-05-02
JPS6089104A (ja) 1985-05-20

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): DE FR GB

17P Request for examination filed

Effective date: 19850927

PUAL Search report despatched

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Designated state(s): DE FR GB

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 19870401

RIN1 Information on inventor provided before grant (corrected)

Inventor name: HALL, WILLIAM JOHNBRITISH AEROSPACE P.L.C.