BE442426A - - Google Patents

Info

Publication number
BE442426A
BE442426A BE442426DA BE442426A BE 442426 A BE442426 A BE 442426A BE 442426D A BE442426D A BE 442426DA BE 442426 A BE442426 A BE 442426A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE442426A publication Critical patent/BE442426A/xx
Priority claimed from GB206642A external-priority patent/GB553618A/en

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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-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
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/143—Systems for determining direction or deviation from predetermined direction by vectorial combination of signals derived from differently oriented antennae
    • 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)
  • 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)
BE442426D 1940-08-10 1941-08-09 BE442426A (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2485353X 1940-08-10
GB206642A GB553618A (en) 1942-02-16 1942-02-16 Improvements in or relating to wireless direction finders

Publications (1)

Publication Number Publication Date
BE442426A true BE442426A (xx) 1941-09-30

Family

ID=32232333

Family Applications (1)

Application Number Title Priority Date Filing Date
BE442426D BE442426A (xx) 1940-08-10 1941-08-09

Country Status (3)

Country Link
US (1) US2485353A (xx)
BE (1) BE442426A (xx)
FR (1) FR875404A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2880415A (en) * 1953-03-23 1959-03-31 Wachtler Maximilian Direction finder with visual indication
US3105193A (en) * 1955-08-15 1963-09-24 Robert L Denton Visual frequency indicator for broad band sonar monitor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2182950A (en) * 1935-05-14 1939-12-12 William A Fairlie Direction finder or course indicator
GB553618A (en) * 1942-02-16 1943-05-28 Philips Nv Improvements in or relating to wireless direction finders
US2407649A (en) * 1941-07-23 1946-09-17 Bell Telephone Labor Inc Direction finding system

Also Published As

Publication number Publication date
US2485353A (en) 1949-10-18
FR875404A (fr) 1942-09-21

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