BE565581A - - Google Patents

Info

Publication number
BE565581A
BE565581A BE565581DA BE565581A BE 565581 A BE565581 A BE 565581A BE 565581D A BE565581D A BE 565581DA BE 565581 A BE565581 A BE 565581A
Authority
BE
Belgium
Application number
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.)
Publication of BE565581A publication Critical patent/BE565581A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/24Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/26Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons 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
    • G01S1/02Beacons 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)
BE565581D 1957-01-23 BE565581A (en:Method)

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
BE565581A true BE565581A (en:Method)

Family

ID=26251057

Family Applications (1)

Application Number Title Priority Date Filing Date
BE565581D BE565581A (en:Method) 1957-01-23

Country Status (2)

Country Link
BE (1) BE565581A (en:Method)
CH (1) CH345045A (en:Method)

Also Published As

Publication number Publication date
CH345045A (fr) 1960-03-15

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