EP0921590A3 - Antenna for communicating with low earth orbit satellite - Google Patents

Antenna for communicating with low earth orbit satellite Download PDF

Info

Publication number
EP0921590A3
EP0921590A3 EP98309924A EP98309924A EP0921590A3 EP 0921590 A3 EP0921590 A3 EP 0921590A3 EP 98309924 A EP98309924 A EP 98309924A EP 98309924 A EP98309924 A EP 98309924A EP 0921590 A3 EP0921590 A3 EP 0921590A3
Authority
EP
European Patent Office
Prior art keywords
antenna
reflector
communicating
earth orbit
satellite
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Withdrawn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
EP98309924A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0921590A2 (en
Inventor
Osamu Yamamoto
Ryuichi Iwata
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of EP0921590A2 publication Critical patent/EP0921590A2/en
Publication of EP0921590A3 publication Critical patent/EP0921590A3/en
Withdrawn legal-status Critical Current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
    • H01Q19/12Combinations 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 wherein the surfaces are concave
    • H01Q19/13Combinations 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 wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
    • H01Q19/132Horn reflector antennas; Off-set feeding
    • 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
    • H01Q3/20Arrangements 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

  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
EP98309924A 1997-12-04 1998-12-03 Antenna for communicating with low earth orbit satellite Withdrawn EP0921590A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP09334060A JP3109584B2 (ja) 1997-12-04 1997-12-04 低軌道衛星通信用アンテナ装置
JP33406097 1997-12-04

Publications (2)

Publication Number Publication Date
EP0921590A2 EP0921590A2 (en) 1999-06-09
EP0921590A3 true EP0921590A3 (en) 1999-09-15

Family

ID=18273065

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98309924A Withdrawn EP0921590A3 (en) 1997-12-04 1998-12-03 Antenna for communicating with low earth orbit satellite

Country Status (5)

Country Link
EP (1) EP0921590A3 (ja)
JP (1) JP3109584B2 (ja)
CN (1) CN1219004A (ja)
AU (1) AU9520798A (ja)
TW (1) TW405279B (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002071538A1 (fr) * 2001-03-02 2002-09-12 Mitsubishi Denki Kabushiki Kaisha Antenne a reflecteur
WO2003050916A1 (fr) * 2001-12-10 2003-06-19 Digital Wave Co., Ltd. Antenne dipole de type antenne d'insecte, antenne directionnelle et antenne de controle de zone
US6747604B2 (en) * 2002-10-08 2004-06-08 Ems Technologies Canada, Inc. Steerable offset antenna with fixed feed source
JP2006261994A (ja) * 2005-03-16 2006-09-28 Toshiba Corp アンテナ装置
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
JP5004846B2 (ja) * 2008-03-26 2012-08-22 三菱電機株式会社 ビーム走査反射鏡アンテナ
EP2584650B1 (en) * 2011-10-17 2017-05-24 MacDonald, Dettwiler and Associates Corporation Wide scan steerable antenna with no key-hole
EP3109937A4 (en) 2014-02-17 2017-10-18 Nec Corporation Antenna device and antenna device control method
CN111900551A (zh) * 2020-06-17 2020-11-06 深圳捷豹电波科技有限公司 毫米波抛物面天线及其控制方法、计算机可读存储介质
CN116404419A (zh) * 2023-06-07 2023-07-07 武汉能钠智能装备技术股份有限公司四川省成都市分公司 一种卫星信号宽带户外采集方法及装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4312002A (en) * 1977-09-13 1982-01-19 Marconi Company Limited Combined radar and infrared scanning antenna
US4862185A (en) * 1988-04-05 1989-08-29 The Boeing Company Variable wide angle conical scanning antenna
WO1990006004A1 (en) * 1988-11-14 1990-05-31 Crooks Michell Peacock Stewart (Qld) Pty. Limited Offset parabolic reflector antenna
GB2226186A (en) * 1988-11-15 1990-06-20 Kokusai Denshin Denwa Co Ltd An offset reflector antenna

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4312002A (en) * 1977-09-13 1982-01-19 Marconi Company Limited Combined radar and infrared scanning antenna
US4862185A (en) * 1988-04-05 1989-08-29 The Boeing Company Variable wide angle conical scanning antenna
WO1990006004A1 (en) * 1988-11-14 1990-05-31 Crooks Michell Peacock Stewart (Qld) Pty. Limited Offset parabolic reflector antenna
GB2226186A (en) * 1988-11-15 1990-06-20 Kokusai Denshin Denwa Co Ltd An offset reflector antenna

Also Published As

Publication number Publication date
TW405279B (en) 2000-09-11
JPH11168322A (ja) 1999-06-22
CN1219004A (zh) 1999-06-09
EP0921590A2 (en) 1999-06-09
JP3109584B2 (ja) 2000-11-20
AU9520798A (en) 1999-06-24

Similar Documents

Publication Publication Date Title
EP0930669A3 (en) Antenna for communicating with low earth orbit satellite
US4792812A (en) Microwave earth station with embedded receiver/transmitter and reflector
WO1999060656A3 (en) Multibeam satellite communication antenna
EP0859428A3 (en) Composite rooftop antenna for terrestrial and satellite reception
AU7536198A (en) An antenna system, in particular for pointing at non-geostationary satellites
EP0845833A3 (en) On-orbit reconfigurability of a shaped reflector with feed/reflector defocusing and reflector gimballing
JP2004500749A (ja) ハイブリッド拡張式アンテナ
EP0921590A3 (en) Antenna for communicating with low earth orbit satellite
AU4306000A (en) Antenna with continuous reflector for multiple reception of satellite beams
EP0597318B1 (en) Multibeam antenna for receiving satellite
US6342865B1 (en) Side-fed offset cassegrain antenna with main reflector gimbal
JPS6143842A (ja) 衛星通信システム用地上端局
EP0986133A3 (en) Multi-focus reflector antenna
US6243047B1 (en) Single mirror dual axis beam waveguide antenna system
HU0002079D0 (en) Aerial arrangement for the reception of signal emitted by a geostationary satellite
US6621461B1 (en) Gridded reflector antenna
JPH09135110A (ja) アンテナ装置
US4761655A (en) Transportable antenna for an earth station
Densmore et al. K/K/sub a/-band antenna system for mobile satellite service
CA2225225C (en) Satellite antenna system
JP2000324035A (ja) 衛星通信システム
EP0152221A2 (en) An earth terminal for satellite communication systems
CA1242024A (en) Earth terminal for satellite communication systems
EP0838877A3 (en) Deployable reflectors
US6634601B2 (en) Attitude sensor for spacecraft

Legal Events

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

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): GB SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 19990820

AKX Designation fees paid

Free format text: GB SE

REG Reference to a national code

Ref country code: DE

Ref legal event code: 8566

17Q First examination report despatched

Effective date: 20030731

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20031211