NL31538C - - Google Patents

Info

Publication number
NL31538C
NL31538C NL31538DA NL31538C NL 31538 C NL31538 C NL 31538C NL 31538D A NL31538D A NL 31538DA NL 31538 C NL31538 C NL 31538C
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 NL31538C publication Critical patent/NL31538C/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
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Mobile Radio Communication Systems (AREA)
NL31538D 1930-01-16 NL31538C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE525749T 1930-01-16

Publications (1)

Publication Number Publication Date
NL31538C true NL31538C (en)

Family

ID=34085430

Family Applications (1)

Application Number Title Priority Date Filing Date
NL31538D NL31538C (en) 1930-01-16

Country Status (3)

Country Link
DE (1) DE525749C (en)
FR (1) FR709259A (en)
NL (1) NL31538C (en)

Also Published As

Publication number Publication date
DE525749C (en) 1931-05-28
FR709259A (en) 1931-08-05

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