BE472932A - - Google Patents

Info

Publication number
BE472932A
BE472932A BE472932DA BE472932A BE 472932 A BE472932 A BE 472932A BE 472932D A BE472932D A BE 472932DA BE 472932 A BE472932 A BE 472932A
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 BE472932A publication Critical patent/BE472932A/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
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/04Details
    • G01S3/08Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
BE472932D 1945-06-20 BE472932A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US600478A US2452546A (en) 1945-06-20 1945-06-20 Direction finder

Publications (1)

Publication Number Publication Date
BE472932A true BE472932A (en:Method)

Family

ID=24403758

Family Applications (1)

Application Number Title Priority Date Filing Date
BE472932D BE472932A (en:Method) 1945-06-20

Country Status (4)

Country Link
US (1) US2452546A (en:Method)
BE (1) BE472932A (en:Method)
FR (1) FR939417A (en:Method)
NL (1) NL69988C (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3465342A (en) * 1952-05-06 1969-09-02 Bernard M Delapalme Radio direction-finding receiver for the detection of radar apparatus

Also Published As

Publication number Publication date
NL69988C (en:Method)
FR939417A (fr) 1948-11-15
US2452546A (en) 1948-11-02

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