DE3885308D1 - Mehrstrahlantenne. - Google Patents

Mehrstrahlantenne.

Info

Publication number
DE3885308D1
DE3885308D1 DE88100249T DE3885308T DE3885308D1 DE 3885308 D1 DE3885308 D1 DE 3885308D1 DE 88100249 T DE88100249 T DE 88100249T DE 3885308 T DE3885308 T DE 3885308T DE 3885308 D1 DE3885308 D1 DE 3885308D1
Authority
DE
Germany
Prior art keywords
beam antenna
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.)
Expired - Lifetime
Application number
DE88100249T
Other languages
English (en)
Inventor
Ryuichi C O Nec Corporat 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/ja
Priority claimed from JP975387A external-priority patent/JPH0612853B2/ja
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3885308D1 publication Critical patent/DE3885308D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
DE88100249T 1987-01-12 1988-01-11 Mehrstrahlantenne. Expired - Lifetime DE3885308D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP453587A JPS63173404A (ja) 1987-01-12 1987-01-12 マルチビ−ムアンテナ
JP975387A JPH0612853B2 (ja) 1987-01-19 1987-01-19 マルチビ−ムアンテナ

Publications (1)

Publication Number Publication Date
DE3885308D1 true DE3885308D1 (de) 1993-12-09

Family

ID=26338338

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88100249T Expired - Lifetime DE3885308D1 (de) 1987-01-12 1988-01-11 Mehrstrahlantenne.

Country Status (4)

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

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 (es) * 1989-01-31 1989-12-16 Televes S.A. Soporte para alimentadores de antenas parabolicas de recepcion multisatelite.
US5258767A (en) * 1989-03-14 1993-11-02 Kokusai Denshin Denwa Co., Ltd. Antenna system for shaped beam
FR2674377B1 (fr) * 1991-03-22 1993-06-04 Alcatel Espace Antenne radioelectrique a reflecteur multifocales.
FR2677815B1 (fr) * 1991-06-14 1994-03-18 Claude Chapu Reception de 3 satellites sur une parabole fixe.
FR2684809B1 (fr) * 1991-12-09 1994-01-21 Alcatel Espace Antenne passive multifaisceaux a reflecteur(s) conforme (s).
US6258895B1 (en) * 1992-06-26 2001-07-10 The Procter & Gamble Company Polymers having spiro orthoester groups, process of manufacturing and using
IT1271871B (it) * 1994-03-03 1997-06-09 Space Eng Srl Antenna multifascio in grado di ricevere/trasmettere segnali alla stessa frequenza, da/verso piu' direzioni coplanari, simultaneamente.
US5945960A (en) * 1996-12-02 1999-08-31 Space Systems/Loral, Inc. Method and apparatus for reconfiguring antenna radiation patterns
RU2694813C1 (ru) * 2018-10-10 2019-07-17 Федеральное государственное бюджетное учреждение наук Институт проблем машиноведения Российской академии наук (ИПМаш РАН) Способ формирования отражающих зеркальных поверхностей антенны космического радиотелескопа
WO2024044956A1 (zh) * 2022-08-30 2024-03-07 华为技术有限公司 一种天线和通信设备

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 (ja) * 1983-10-28 1985-05-27 Nec Corp 成形ビ−ムアンテナ

Also Published As

Publication number Publication date
EP0275062B1 (de) 1993-11-03
EP0275062A2 (de) 1988-07-20
AU605227B2 (en) 1991-01-10
CA1296422C (en) 1992-02-25
EP0275062A3 (en) 1989-10-11
AU1016988A (en) 1988-07-14

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Legal Events

Date Code Title Description
8332 No legal effect for de