EP1365473A4 - Antenne a reflecteur - Google Patents

Antenne a reflecteur

Info

Publication number
EP1365473A4
EP1365473A4 EP02701640A EP02701640A EP1365473A4 EP 1365473 A4 EP1365473 A4 EP 1365473A4 EP 02701640 A EP02701640 A EP 02701640A EP 02701640 A EP02701640 A EP 02701640A EP 1365473 A4 EP1365473 A4 EP 1365473A4
Authority
EP
European Patent Office
Prior art keywords
reflector antenna
reflector
antenna
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.)
Granted
Application number
EP02701640A
Other languages
German (de)
English (en)
Other versions
EP1365473B1 (fr
EP1365473A1 (fr
Inventor
Yoshio Inasawa
Izuru Naito
Shigeru Makino
Naofumi Yoneda
Moriyasu Miyazaki
Yoshihiko Konishi
Shuji Urasaki
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority claimed from PCT/JP2002/001863 external-priority patent/WO2002071540A1/fr
Publication of EP1365473A1 publication Critical patent/EP1365473A1/fr
Publication of EP1365473A4 publication Critical patent/EP1365473A4/fr
Application granted granted Critical
Publication of EP1365473B1 publication Critical patent/EP1365473B1/fr
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
    • 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
    • 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
    • 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
    • H01Q19/193—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 feed supported subreflector
    • 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
    • H01Q3/02—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 movement of antenna or antenna system as a whole
    • H01Q3/08—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 movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
EP02701640A 2001-03-02 2002-02-28 Antenne a reflecteur Expired - Lifetime EP1365473B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2001058811 2001-03-02
JP2001058811 2001-03-02
WOPCT/JP01/06236 2001-07-18
PCT/JP2001/006236 WO2002071538A1 (fr) 2001-03-02 2001-07-18 Antenne a reflecteur
PCT/JP2002/001863 WO2002071540A1 (fr) 2001-03-02 2002-02-28 Antenne a reflecteur

Publications (3)

Publication Number Publication Date
EP1365473A1 EP1365473A1 (fr) 2003-11-26
EP1365473A4 true EP1365473A4 (fr) 2004-12-15
EP1365473B1 EP1365473B1 (fr) 2005-07-06

Family

ID=18918477

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02701640A Expired - Lifetime EP1365473B1 (fr) 2001-03-02 2002-02-28 Antenne a reflecteur

Country Status (2)

Country Link
EP (1) EP1365473B1 (fr)
WO (1) WO2002071538A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2694147A (en) * 1946-08-21 1954-11-09 Bell Telephone Labor Inc Scanning antenna system
US5952980A (en) * 1997-09-17 1999-09-14 Bei Sensors & Motion Systems Company Low profile antenna positioning system
JPH11251824A (ja) * 1998-03-04 1999-09-17 Sumitomo Electric Ind Ltd 走査アンテナおよびそれを用いた無線通信システム
US6285338B1 (en) * 2000-01-28 2001-09-04 Motorola, Inc. Method and apparatus for eliminating keyhole problem of an azimuth-elevation gimbal antenna

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5032799B1 (fr) * 1970-01-09 1975-10-24
JPS56165405A (en) * 1980-05-23 1981-12-19 Nec Corp Antenna having radiation beam of asymmetrical rotation
JP3018347B2 (ja) * 1989-06-30 2000-03-13 日本電気株式会社 複反射鏡ビームアンテナ
JP3109584B2 (ja) * 1997-12-04 2000-11-20 日本電気株式会社 低軌道衛星通信用アンテナ装置
JP3313636B2 (ja) * 1997-12-22 2002-08-12 日本電気株式会社 低軌道衛星通信用アンテナ装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2694147A (en) * 1946-08-21 1954-11-09 Bell Telephone Labor Inc Scanning antenna system
US5952980A (en) * 1997-09-17 1999-09-14 Bei Sensors & Motion Systems Company Low profile antenna positioning system
JPH11251824A (ja) * 1998-03-04 1999-09-17 Sumitomo Electric Ind Ltd 走査アンテナおよびそれを用いた無線通信システム
US6285338B1 (en) * 2000-01-28 2001-09-04 Motorola, Inc. Method and apparatus for eliminating keyhole problem of an azimuth-elevation gimbal antenna

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 14 22 December 1999 (1999-12-22) *
See also references of WO02071540A1 *

Also Published As

Publication number Publication date
EP1365473B1 (fr) 2005-07-06
EP1365473A1 (fr) 2003-11-26
WO2002071538A1 (fr) 2002-09-12

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