NL220877A - - Google Patents

Info

Publication number
NL220877A
NL220877A NL220877DA NL220877A NL 220877 A NL220877 A NL 220877A NL 220877D A NL220877D A NL 220877DA NL 220877 A NL220877 A NL 220877A
Authority
NL
Netherlands
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 NL220877A publication Critical patent/NL220877A/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)
NL220877D 1957-10-30 NL220877A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1190028T 1957-10-30

Publications (1)

Publication Number Publication Date
NL220877A true NL220877A (fr)

Family

ID=9666119

Family Applications (1)

Application Number Title Priority Date Filing Date
NL220877D NL220877A (fr) 1957-10-30

Country Status (3)

Country Link
BE (1) BE561042A (fr)
FR (1) FR1190028A (fr)
NL (1) NL220877A (fr)

Also Published As

Publication number Publication date
BE561042A (fr)
FR1190028A (fr) 1959-10-08

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