BE474201A - - Google Patents

Info

Publication number
BE474201A
BE474201A BE474201DA BE474201A BE 474201 A BE474201 A BE 474201A BE 474201D A BE474201D A BE 474201DA BE 474201 A BE474201 A BE 474201A
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 BE474201A publication Critical patent/BE474201A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/06Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/22Antenna units of the array energised non-uniformly in amplitude or phase, e.g. tapered array or binomial array
    • 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)
BE474201D 1943-11-15 BE474201A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US272118XA 1943-11-15 1943-11-15

Publications (1)

Publication Number Publication Date
BE474201A true BE474201A (en:Method)

Family

ID=21836364

Family Applications (1)

Application Number Title Priority Date Filing Date
BE474201D BE474201A (en:Method) 1943-11-15

Country Status (4)

Country Link
BE (1) BE474201A (en:Method)
CH (1) CH272118A (en:Method)
DE (1) DE874801C (en:Method)
GB (1) GB596391A (en:Method)

Also Published As

Publication number Publication date
DE874801C (de) 1953-04-27
CH272118A (fr) 1950-11-30
GB596391A (en) 1948-01-02

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