BE441728A - - Google Patents

Info

Publication number
BE441728A
BE441728A BE441728DA BE441728A BE 441728 A BE441728 A BE 441728A BE 441728D A BE441728D A BE 441728DA BE 441728 A BE441728 A BE 441728A
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 BE441728A publication Critical patent/BE441728A/xx

Links

Classifications

    • 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)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
BE441728D 1939-11-10 BE441728A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2980539A GB536377A (en) 1939-11-10 1939-11-10 Improvements in or relating to direction finding systems

Publications (1)

Publication Number Publication Date
BE441728A true BE441728A (en)

Family

ID=10297437

Family Applications (1)

Application Number Title Priority Date Filing Date
BE441728D BE441728A (en) 1939-11-10

Country Status (3)

Country Link
BE (1) BE441728A (en)
FR (1) FR867848A (en)
GB (1) GB536377A (en)

Also Published As

Publication number Publication date
FR867848A (en) 1941-11-29
GB536377A (en) 1941-05-13

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