AU1016988A - Multibeam antenna - Google Patents

Multibeam antenna

Info

Publication number
AU1016988A
AU1016988A AU10169/88A AU1016988A AU1016988A AU 1016988 A AU1016988 A AU 1016988A AU 10169/88 A AU10169/88 A AU 10169/88A AU 1016988 A AU1016988 A AU 1016988A AU 1016988 A AU1016988 A AU 1016988A
Authority
AU
Australia
Prior art keywords
multibeam antenna
multibeam
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
AU10169/88A
Other versions
AU605227B2 (en
Inventor
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
Priority claimed from JP453587A external-priority patent/JPS63173404A/en
Priority claimed from JP975387A external-priority patent/JPH0612853B2/en
Application filed by NEC Corp filed Critical NEC Corp
Publication of AU1016988A publication Critical patent/AU1016988A/en
Application granted granted Critical
Publication of AU605227B2 publication Critical patent/AU605227B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device
AU10169/88A 1987-01-12 1988-01-11 Multibeam antenna Ceased AU605227B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP453587A JPS63173404A (en) 1987-01-12 1987-01-12 Multi-beam antenna
JP62-4535 1987-01-12
JP975387A JPH0612853B2 (en) 1987-01-19 1987-01-19 Multi-beam antenna
JP62-9753 1987-01-19

Publications (2)

Publication Number Publication Date
AU1016988A true AU1016988A (en) 1988-07-14
AU605227B2 AU605227B2 (en) 1991-01-10

Family

ID=26338338

Family Applications (1)

Application Number Title Priority Date Filing Date
AU10169/88A Ceased AU605227B2 (en) 1987-01-12 1988-01-11 Multibeam antenna

Country Status (4)

Country Link
EP (1) EP0275062B1 (en)
AU (1) AU605227B2 (en)
CA (1) CA1296422C (en)
DE (1) DE3885308D1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2227609A (en) * 1989-01-30 1990-08-01 David James George Martin Double aerial [daerial]
ES1008936Y (en) * 1989-01-31 1989-12-16 Televes S.A. SUPPORT FOR MULTISATELLITE PARABOLIC ANTENNA FEEDERS.
US5258767A (en) * 1989-03-14 1993-11-02 Kokusai Denshin Denwa Co., Ltd. Antenna system for shaped beam
FR2674377B1 (en) * 1991-03-22 1993-06-04 Alcatel Espace RADIOELECTRIC ANTENNA WITH MULTIFOCAL REFLECTOR.
FR2677815B1 (en) * 1991-06-14 1994-03-18 Claude Chapu RECEPTION OF 3 SATELLITES ON A FIXED PARABLE.
FR2684809B1 (en) * 1991-12-09 1994-01-21 Alcatel Espace MULTI-BEAM PASSIVE ANTENNA WITH CONFORMITY REFLECTOR (S).
US6258895B1 (en) * 1992-06-26 2001-07-10 The Procter & Gamble Company Polymers having spiro orthoester groups, process of manufacturing and using
IT1271871B (en) * 1994-03-03 1997-06-09 Space Eng Srl MULTI-BAND ANTENNA ABLE TO RECEIVE / TRANSMIT SIGNALS AT THE SAME FREQUENCY, FROM / TOWARDS MULTIPLE DIRECTIONS, SIMULTANEOUSLY.
US5945960A (en) * 1996-12-02 1999-08-31 Space Systems/Loral, Inc. Method and apparatus for reconfiguring antenna radiation patterns
RU2694813C1 (en) * 2018-10-10 2019-07-17 Федеральное государственное бюджетное учреждение наук Институт проблем машиноведения Российской академии наук (ИПМаш РАН) Method of reflecting mirror surfaces formation of space radio telescope antenna
WO2024044956A1 (en) * 2022-08-30 2024-03-07 华为技术有限公司 Antenna and communication device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852763A (en) * 1970-06-08 1974-12-03 Communications Satellite Corp Torus-type antenna having a conical scan capability
JPS5357727A (en) * 1976-11-04 1978-05-25 Nec Corp Multiple shaped beam antenna
US4259674A (en) * 1979-10-24 1981-03-31 Bell Laboratories Phased array antenna arrangement with filtering to reduce grating lobes
US4482897A (en) * 1982-06-28 1984-11-13 At&T Bell Laboratories Multibeam segmented reflector antennas
JPS6094508A (en) * 1983-10-28 1985-05-27 Nec Corp Shaped beam antenna

Also Published As

Publication number Publication date
DE3885308D1 (en) 1993-12-09
AU605227B2 (en) 1991-01-10
EP0275062B1 (en) 1993-11-03
EP0275062A3 (en) 1989-10-11
EP0275062A2 (en) 1988-07-20
CA1296422C (en) 1992-02-25

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired