CH345045A - Dispositif d'antennes - Google Patents

Dispositif d'antennes

Info

Publication number
CH345045A
CH345045A CH345045DA CH345045A CH 345045 A CH345045 A CH 345045A CH 345045D A CH345045D A CH 345045DA CH 345045 A CH345045 A CH 345045A
Authority
CH
Switzerland
Prior art keywords
antenna device
axis
antennas
main
frame
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
Henry Clough Newsome
Wielobob Mieczyslaw
Original Assignee
Marconi Wireless Telegraph Co
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 Marconi Wireless Telegraph Co filed Critical Marconi Wireless Telegraph Co
Publication of CH345045A publication Critical patent/CH345045A/fr

Links

Classifications

    • 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
    • H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
CH345045D 1957-01-23 1957-12-18 Dispositif d'antennes CH345045A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB345045X 1957-01-23
GB151057X 1957-10-15

Publications (1)

Publication Number Publication Date
CH345045A true CH345045A (fr) 1960-03-15

Family

ID=26251057

Family Applications (1)

Application Number Title Priority Date Filing Date
CH345045D CH345045A (fr) 1957-01-23 1957-12-18 Dispositif d'antennes

Country Status (2)

Country Link
BE (1) BE565581A (ko)
CH (1) CH345045A (ko)

Also Published As

Publication number Publication date
BE565581A (ko)

Similar Documents

Publication Publication Date Title
CA1184621A (fr) Transformateur electrique et procede pour sa fabrication
EP0889541B1 (fr) Antenne en hélice variable
EP2156511A1 (fr) Antenne volumique omnidirectionnelle
EP1979987B1 (fr) Antenne a polarisation circulaire ou lineaire
FR2903234A1 (fr) Element parasite pour antenne helicoidale.
EP0098192B1 (fr) Dispositif de multiplexage pour grouper deux bandes de fréquences
EP1418769A1 (fr) Répartiteur de télécommunication
EP1516393B1 (fr) Dispositif rayonnant bi-bande a double polarisation
WO2011107597A1 (fr) Structure antennaire à dipôles
EP0160594B1 (fr) Résonateur piézo-électrique
CH345045A (fr) Dispositif d'antennes
EP1551078A1 (fr) Antenne omnidirectionnelle configurable
FR2794290A1 (fr) Antenne a polarisation verticale
EP1432073A1 (fr) Antenne colinéaire du type coaxial alterné
EP3182512B1 (fr) Antenne multi-acces
EP3008773B1 (fr) Procédé pour radioélectrifier un objet de mobilier urbain et objet ainsi radioélectrifié
EP2449629B1 (fr) Systeme antennaire compacte omnidirectionnel et large bande comportant deux acces emission et reception separes fortement decouples
WO2012041979A1 (fr) Antenne compacte a fort gain
EP0545762B1 (fr) DipÔle en ondes décamétriques, et antenne tournante équipée de ce dipÔle
EP2595245A1 (fr) Antenne mobile directive à commutation de polarisation
CH178703A (fr) Installation de radiocommunication à ondes courtes.
FR2557738A1 (fr) Antennes de television mixtes vhf et uhf
EP1876673B1 (fr) Antenne directionnelle pour la transmission et/ou la réception de signaux audio et/ou vidéo
EP0112205A1 (fr) Support d'antenne de télécommunications par satellite géostationnaire et ensemble formé par un tel support et son antenne
FR2544977A2 (fr) Balai a feuilles, avec genets et dispositif de fixation en matiere plastique