BE471721A - - Google Patents

Info

Publication number
BE471721A
BE471721A BE471721DA BE471721A BE 471721 A BE471721 A BE 471721A BE 471721D A BE471721D A BE 471721DA BE 471721 A BE471721 A BE 471721A
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 BE471721A publication Critical patent/BE471721A/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
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
BE471721D 1946-03-29 1947-03-08 BE471721A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US259497XA 1946-03-29 1946-03-29

Publications (1)

Publication Number Publication Date
BE471721A true BE471721A (enrdf_load_html_response) 1947-09-08

Family

ID=21828949

Family Applications (1)

Application Number Title Priority Date Filing Date
BE471721D BE471721A (enrdf_load_html_response) 1946-03-29 1947-03-08

Country Status (4)

Country Link
BE (1) BE471721A (enrdf_load_html_response)
CH (1) CH259497A (enrdf_load_html_response)
FR (1) FR942743A (enrdf_load_html_response)
NL (1) NL66952C (enrdf_load_html_response)

Also Published As

Publication number Publication date
NL66952C (enrdf_load_html_response) 1950-12-15
CH259497A (de) 1949-01-31
FR942743A (fr) 1949-02-16

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