BE431560A - - Google Patents

Info

Publication number
BE431560A
BE431560A BE431560DA BE431560A BE 431560 A BE431560 A BE 431560A BE 431560D A BE431560D A BE 431560DA BE 431560 A BE431560 A BE 431560A
Authority
BE
Belgium
Prior art keywords
frequencies
manipulated
modulation
pause
emi
Prior art date
Application number
Other languages
English (en)
French (fr)
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 BE431560A publication Critical patent/BE431560A/fr

Links

Classifications

    • 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)
  • Noise Elimination (AREA)
BE431560D 1938-12-09 BE431560A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR847319T 1938-12-09

Publications (1)

Publication Number Publication Date
BE431560A true BE431560A (enrdf_load_stackoverflow)

Family

ID=9313749

Family Applications (1)

Application Number Title Priority Date Filing Date
BE431560D BE431560A (enrdf_load_stackoverflow) 1938-12-09

Country Status (2)

Country Link
BE (1) BE431560A (enrdf_load_stackoverflow)
FR (1) FR847319A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR847319A (fr) 1939-10-06

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