FR2481525A1 - Systeme rayonnant vertical forme d'antennes superposees et equipement radioelectrique comportant un tel systeme - Google Patents

Systeme rayonnant vertical forme d'antennes superposees et equipement radioelectrique comportant un tel systeme Download PDF

Info

Publication number
FR2481525A1
FR2481525A1 FR8009384A FR8009384A FR2481525A1 FR 2481525 A1 FR2481525 A1 FR 2481525A1 FR 8009384 A FR8009384 A FR 8009384A FR 8009384 A FR8009384 A FR 8009384A FR 2481525 A1 FR2481525 A1 FR 2481525A1
Authority
FR
France
Prior art keywords
antenna
series
power cable
aerials
superimposed
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
FR8009384A
Other languages
English (en)
French (fr)
Other versions
FR2481525B1 (enExample
Inventor
Joel Jeannolle
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.)
Thales SA
Original Assignee
Thomson CSF 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 CSF SA filed Critical Thomson CSF SA
Priority to FR8009384A priority Critical patent/FR2481525A1/fr
Publication of FR2481525A1 publication Critical patent/FR2481525A1/fr
Application granted granted Critical
Publication of FR2481525B1 publication Critical patent/FR2481525B1/fr
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/30Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H01Q5/48Combinations of two or more dipole type antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/30Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/32Vertical arrangement of element

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Waveguide Aerials (AREA)
FR8009384A 1980-04-25 1980-04-25 Systeme rayonnant vertical forme d'antennes superposees et equipement radioelectrique comportant un tel systeme Granted FR2481525A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8009384A FR2481525A1 (fr) 1980-04-25 1980-04-25 Systeme rayonnant vertical forme d'antennes superposees et equipement radioelectrique comportant un tel systeme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8009384A FR2481525A1 (fr) 1980-04-25 1980-04-25 Systeme rayonnant vertical forme d'antennes superposees et equipement radioelectrique comportant un tel systeme

Publications (2)

Publication Number Publication Date
FR2481525A1 true FR2481525A1 (fr) 1981-10-30
FR2481525B1 FR2481525B1 (enExample) 1983-12-23

Family

ID=9241369

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8009384A Granted FR2481525A1 (fr) 1980-04-25 1980-04-25 Systeme rayonnant vertical forme d'antennes superposees et equipement radioelectrique comportant un tel systeme

Country Status (1)

Country Link
FR (1) FR2481525A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2689688A1 (fr) * 1992-04-03 1993-10-08 Renault Aérien pour l'utilisation de plusieurs appareils émetteurs et/ou récepteurs notamment pour véhicules automobiles.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2689688A1 (fr) * 1992-04-03 1993-10-08 Renault Aérien pour l'utilisation de plusieurs appareils émetteurs et/ou récepteurs notamment pour véhicules automobiles.

Also Published As

Publication number Publication date
FR2481525B1 (enExample) 1983-12-23

Similar Documents

Publication Publication Date Title
FR2797352A1 (fr) Antenne a empilement de structures resonantes et dispositif de radiocommunication multifrequence incluant cette antenne
EP0851532B1 (fr) Antenne double, en particulier pour véhicule
EP0825673A1 (fr) Antenne imprimée plane à éléments superposés court-circuités
WO2012045847A1 (fr) Antenne de grande dimension à ondes de surface et à large bande
FR2778272A1 (fr) Dispositif de radiocommunication et antenne bifrequence realisee selon la technique des microrubans
FR2524209A1 (fr) Dispositif guide d'ondes, capable de separer des signaux de radiofrequence a double bande et double polarisation
FR2597266A1 (fr) Antenne a large bande
FR2560442A1 (fr) Dispositif de commutation et de limitation a ligne a fente, fonctionnant en hyperfrequences
FR2488055A1 (fr) Transducteur d'antenne pour antenne d'emission-reception et source primaire d'antenne equipee d'un tel transducteur
EP0129464B1 (fr) Transformateur d'impédance, à large bande, de rapport de transformation voisin de trois, pour radiofréquences
FR3095303A1 (fr) Ecran polariseur a cellule(s) polarisante(s) radiofrequence(s) large bande
US6023201A (en) Electrical signal transmission device protected against electromagnetic interference
US20080186244A1 (en) Frequency control of electrical length for bicone antennas
FR2643749A1 (fr) Dispositif de couplage d'une ligne coaxiale a haute frequence
FR2481525A1 (fr) Systeme rayonnant vertical forme d'antennes superposees et equipement radioelectrique comportant un tel systeme
FR2644937A1 (fr) Antenne omnidirective en polarisation circulaire transversale a maximum de gain sous l'horizon
US2704811A (en) Cylindrical antenna
US2512704A (en) Arrangement for coupling wide frequency band antennae to transmission lines
EP0082053B1 (fr) Ensemble rayonnant à deux antennes superposées travaillant dans une même gamme de fréquences
FR2556508A1 (fr) Symetriseur pour coupler une ligne dissymetrique a un element symetrique
EP0073165A1 (fr) Commutateur d'ondes électromagnétiques
FR2801730A1 (fr) Antenne ciseaux a large bande
EP2449629B1 (fr) Systeme antennaire compacte omnidirectionnel et large bande comportant deux acces emission et reception separes fortement decouples
CA2031076A1 (fr) Filtre eliminateur de bande pour guide d'ondes hyperfrequences
FR2571550A1 (fr) Dispositif de protection pour ligne coaxiale

Legal Events

Date Code Title Description
CL Concession to grant licences
ST Notification of lapse