BE482053A - - Google Patents

Info

Publication number
BE482053A
BE482053A BE482053DA BE482053A BE 482053 A BE482053 A BE 482053A BE 482053D A BE482053D A BE 482053DA BE 482053 A BE482053 A BE 482053A
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 BE482053A publication Critical patent/BE482053A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • 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)
  • Radar Systems Or Details Thereof (AREA)
BE482053D 1942-02-14 BE482053A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US591853XA 1942-02-14 1942-02-14

Publications (1)

Publication Number Publication Date
BE482053A true BE482053A (zh)

Family

ID=22021357

Family Applications (1)

Application Number Title Priority Date Filing Date
BE482053D BE482053A (zh) 1942-02-14

Country Status (2)

Country Link
BE (1) BE482053A (zh)
GB (1) GB591853A (zh)

Also Published As

Publication number Publication date
GB591853A (en) 1947-09-01

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