BE405522A - - Google Patents

Info

Publication number
BE405522A
BE405522A BE405522DA BE405522A BE 405522 A BE405522 A BE 405522A BE 405522D A BE405522D A BE 405522DA BE 405522 A BE405522 A BE 405522A
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 BE405522A publication Critical patent/BE405522A/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
    • 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
    • G01S3/04—Details
    • G01S3/12—Means for determining sense of direction, e.g. by combining signals from directional antenna or goniometer search coil with those from non-directional antenna
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G5/00—Couplings for special purposes not otherwise provided for
    • B61G5/02—Couplings for special purposes not otherwise provided for for coupling articulated trains, locomotives and tenders or the bogies of a vehicle; Coupling by means of a single coupling bar; Couplings preventing or limiting relative lateral movement of vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
BE405522D 1941-08-01 BE405522A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US404998A US2313047A (en) 1941-08-01 1941-08-01 Direction finding system

Publications (1)

Publication Number Publication Date
BE405522A true BE405522A (ja)

Family

ID=23601886

Family Applications (1)

Application Number Title Priority Date Filing Date
BE405522D BE405522A (ja) 1941-08-01

Country Status (3)

Country Link
US (1) US2313047A (ja)
BE (1) BE405522A (ja)
FR (1) FR941227A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE480683A (ja) * 1942-12-11

Also Published As

Publication number Publication date
FR941227A (fr) 1949-01-05
US2313047A (en) 1943-03-09

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