ES2111903T3 - Sistema de antena helicoidal. - Google Patents

Sistema de antena helicoidal.

Info

Publication number
ES2111903T3
ES2111903T3 ES94904615T ES94904615T ES2111903T3 ES 2111903 T3 ES2111903 T3 ES 2111903T3 ES 94904615 T ES94904615 T ES 94904615T ES 94904615 T ES94904615 T ES 94904615T ES 2111903 T3 ES2111903 T3 ES 2111903T3
Authority
ES
Spain
Prior art keywords
antenna system
helical antenna
helical
helical feeders
feeders
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
ES94904615T
Other languages
English (en)
Spanish (es)
Inventor
Ali Louzir
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.)
Technicolor SA
Original Assignee
Thomson Multimedia SA
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 Thomson Multimedia SA filed Critical Thomson Multimedia SA
Application granted granted Critical
Publication of ES2111903T3 publication Critical patent/ES2111903T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08—Helical antennas
    • 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
    • H01Q19/12—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 wherein the surfaces are concave
    • H01Q19/17—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 wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/067—Two dimensional planar arrays using endfire radiating aerial units transverse to the plane of the array
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)
  • Radar Systems Or Details Thereof (AREA)
ES94904615T 1992-12-30 1993-12-30 Sistema de antena helicoidal. Expired - Lifetime ES2111903T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92403593 1992-12-30

Publications (1)

Publication Number Publication Date
ES2111903T3 true ES2111903T3 (es) 1998-03-16

Family

ID=8211740

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94904615T Expired - Lifetime ES2111903T3 (es) 1992-12-30 1993-12-30 Sistema de antena helicoidal.

Country Status (6)

Country Link
EP (1) EP0677212B1 (de)
JP (1) JP3334134B2 (de)
KR (1) KR100300937B1 (de)
DE (1) DE69315707T2 (de)
ES (1) ES2111903T3 (de)
WO (1) WO1994016472A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2157139A1 (en) * 1994-09-01 1996-03-02 Thomas C. Weakley Multiple beam antenna system for simultaneously receiving multiple satellite signals
US6121939A (en) 1996-11-15 2000-09-19 Yagi Antenna Co., Ltd. Multibeam antenna
US6107897A (en) * 1998-01-08 2000-08-22 E*Star, Inc. Orthogonal mode junction (OMJ) for use in antenna system
US6160520A (en) * 1998-01-08 2000-12-12 E★Star, Inc. Distributed bifocal abbe-sine for wide-angle multi-beam and scanning antenna system
KR20110006953A (ko) * 2009-07-15 2011-01-21 위월드 주식회사 역중앙 급전방식의 헬릭스 급전 광대역 안테나

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1570700A (de) * 1968-04-24 1969-06-13
JPS5945283B2 (ja) * 1977-09-01 1984-11-05 三菱電機株式会社 パラボラアンテナ
JPS6437107A (en) * 1987-07-31 1989-02-07 Sharp Kk Antenna system
FR2653941B1 (fr) * 1989-10-31 1992-02-28 Thomson Lgt Antenne de reception multifocale a direction de pointage unique pour plusieurs satellites.
JPH1037107A (ja) * 1996-07-22 1998-02-10 Kensetsu Kiso Eng Co Ltd 吊り道路

Also Published As

Publication number Publication date
WO1994016472A1 (en) 1994-07-21
JP3334134B2 (ja) 2002-10-15
DE69315707D1 (de) 1998-01-22
KR960700537A (ko) 1996-01-20
EP0677212B1 (de) 1997-12-10
DE69315707T2 (de) 1998-04-02
KR100300937B1 (ko) 2001-10-22
JPH08506701A (ja) 1996-07-16
EP0677212A1 (de) 1995-10-18

Similar Documents

Publication Publication Date Title
DE3788427D1 (de) System zur automatischen abstimmung einer antenne für tragbare kommunikationsanlagen.
EP0186455A3 (de) Mehrdipolenantenne
DE3574639D1 (de) Planparallele antenne fuer nahbereichsueberwachungssysteme.
IT8367761A0 (it) Indicatore di allineamento per antenne paraboliche
DE59207110D1 (de) Sende/Empfangs-Modul für eine elektronisch phasengesteuerte Antenne
DE68911100T2 (de) System zum Ausrichten der Antenne auf Satelliten.
ATE80249T1 (de) Rundstrahlantenne.
ES523251A0 (es) Sistema de antena de exploracion para radiar se
ES2111903T3 (es) Sistema de antena helicoidal.
IT1240809B (it) Sistema integrato sensore-attuatore per il controllo del puntamento di antenne a bordo di satelliti artificiali.
DE69010310T2 (de) Zirkular polarisierte Antenne, insbesondere für Gruppenantenne.
IT8821290A0 (it) Quadro di connessione per antenne trasmittenti.
ES468592A1 (es) Un sistema de radio navegacion.
DE69030240D1 (de) Antenne mit gekrümmten Dipolelementen
IT8448646A0 (it) Sistema per il controllo fine del puntamento di antenne con sensore a radio frequenza,ad ampio campo di acquisizione angolare
FR2569906B1 (fr) Reflecteur pour antenne a micro-ondes, muni d'une structure de grille a polarisation selective
NO802636L (no) Antenne for primaerradar og sekundaerradar.
GB1525514A (en) Primary feeds for offset parabolic reflector antennas
EP0434268A3 (en) Microstrip antenna
JPS6466581A (en) Guarding method performed through transmission and reception of emergency signal
GB952897A (en) Improvements in or relating to aerial systems
ES2113089T3 (es) Sistema de antena.
GB1000855A (en) Improvements in or relating to electromagnetic wave transmitting aerials
ITRE910028U1 (it) Elemento di contatto e di fissaggio rapido per cavi coassiali per antenne di autoradio.
GB2207005A (en) Antenna

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 677212

Country of ref document: ES