EP1365473A4 - Reflector antenna - Google Patents

Reflector antenna

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)
French (fr)
Other versions
EP1365473A1 (en
EP1365473B1 (en
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/en
Publication of EP1365473A1 publication Critical patent/EP1365473A1/en
Publication of EP1365473A4 publication Critical patent/EP1365473A4/en
Application granted granted Critical
Publication of EP1365473B1 publication Critical patent/EP1365473B1/en
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 Reflector antenna Expired - Lifetime EP1365473B1 (en)

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 (en) 2001-03-02 2001-07-18 Reflector antenna
PCT/JP2002/001863 WO2002071540A1 (en) 2001-03-02 2002-02-28 Reflector antenna

Publications (3)

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

Family

ID=18918477

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02701640A Expired - Lifetime EP1365473B1 (en) 2001-03-02 2002-02-28 Reflector antenna

Country Status (2)

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

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 (en) * 1998-03-04 1999-09-17 Sumitomo Electric Ind Ltd Scanning antenna and radio communication system using the same
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 (en) * 1970-01-09 1975-10-24
JPS56165405A (en) * 1980-05-23 1981-12-19 Nec Corp Antenna having radiation beam of asymmetrical rotation
JP3018347B2 (en) * 1989-06-30 2000-03-13 日本電気株式会社 Double reflector beam antenna
JP3109584B2 (en) * 1997-12-04 2000-11-20 日本電気株式会社 Antenna device for low orbit satellite communication
JP3313636B2 (en) * 1997-12-22 2002-08-12 日本電気株式会社 Antenna device for low-orbit satellite communication

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 (en) * 1998-03-04 1999-09-17 Sumitomo Electric Ind Ltd Scanning antenna and radio communication system using the same
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
WO2002071538A1 (en) 2002-09-12
EP1365473A1 (en) 2003-11-26
EP1365473B1 (en) 2005-07-06

Similar Documents

Publication Publication Date Title
GB0117882D0 (en) Antenna arrangement
TW553504U (en) Antenna structures
GB0128418D0 (en) Dual-band antenna arrangement
GB0130688D0 (en) Reflectors
GB0101667D0 (en) Antenna arrangement
GB0105441D0 (en) Antenna arrangement
EP1391006A4 (en) Low profile antenna
GB2380327B (en) Antenna
EP1291965A4 (en) Antenna
DE60235930D1 (en) reflector antenna
TW507945U (en) Antenna assembly
DE60204946D1 (en) REFLECTOR ANTENNA
GB0112265D0 (en) Antenna arrangement
EP1365477A4 (en) Antenna
GB2379556B (en) Antenna assembly
GB0105251D0 (en) Antenna
GB0101745D0 (en) Reflector dish
GB2373100B (en) Patch antenna
GB0105413D0 (en) Antenna
EP1365473A4 (en) Reflector antenna
AU2001280322A1 (en) Reflector antenna
GB0109329D0 (en) Antenna
GB2435745B (en) Dual-feed antenna
GB2373040B (en) Reflector
GB2382928B (en) Antenna assembly

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

17P Request for examination filed

Effective date: 20021115

AK Designated contracting states

Kind code of ref document: A1

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

A4 Supplementary search report drawn up and despatched

Effective date: 20041104

RIC1 Information provided on ipc code assigned before grant

Ipc: 7H 01Q 3/20 A

Ipc: 7H 01Q 3/08 B

Ipc: 7H 01Q 19/19 B

Ipc: 7H 01Q 1/28 B

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RBV Designated contracting states (corrected)

Designated state(s): DE FR GB IT

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 60204946

Country of ref document: DE

Date of ref document: 20050811

Kind code of ref document: P

ET Fr: translation filed
RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: MITSUBISHI DENKI KABUSHIKI KAISHA

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

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

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20060407

REG Reference to a national code

Ref country code: GB

Ref legal event code: 746

Effective date: 20090305

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150228

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 15

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 16

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 17

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150228

PGRI Patent reinstated in contracting state [announced from national office to epo]

Ref country code: IT

Effective date: 20180516

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20210113

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20210216

Year of fee payment: 20

Ref country code: GB

Payment date: 20210217

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20210112

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 60204946

Country of ref document: DE

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20220227

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20220227