BE426947A - - Google Patents

Info

Publication number
BE426947A
BE426947A BE426947DA BE426947A BE 426947 A BE426947 A BE 426947A BE 426947D A BE426947D A BE 426947DA BE 426947 A BE426947 A BE 426947A
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 BE426947A publication Critical patent/BE426947A/xx

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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
BE426947D 1937-04-02 BE426947A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR207368X 1937-04-02

Publications (1)

Publication Number Publication Date
BE426947A true BE426947A (en:Method)

Family

ID=8880493

Family Applications (1)

Application Number Title Priority Date Filing Date
BE426947D BE426947A (en:Method) 1937-04-02

Country Status (4)

Country Link
US (1) US2257815A (en:Method)
BE (1) BE426947A (en:Method)
CH (1) CH207368A (en:Method)
DE (1) DE708715C (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462881A (en) * 1943-10-25 1949-03-01 John W Marchetti Antenna

Also Published As

Publication number Publication date
US2257815A (en) 1941-10-07
DE708715C (de) 1941-07-26
CH207368A (fr) 1939-10-31

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