NL58739C - - Google Patents

Info

Publication number
NL58739C
NL58739C NL58739DA NL58739C NL 58739 C NL58739 C NL 58739C NL 58739D A NL58739D A NL 58739DA NL 58739 C NL58739 C NL 58739C
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 NL58739C publication Critical patent/NL58739C/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)
  • Eyeglasses (AREA)
NL58739D 1940-07-31 NL58739C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE224238X 1940-07-31

Publications (1)

Publication Number Publication Date
NL58739C true NL58739C (fr)

Family

ID=5854839

Family Applications (1)

Application Number Title Priority Date Filing Date
NL58739D NL58739C (fr) 1940-07-31

Country Status (4)

Country Link
BE (1) BE442241A (fr)
CH (1) CH224238A (fr)
FR (1) FR874007A (fr)
NL (1) NL58739C (fr)

Also Published As

Publication number Publication date
CH224238A (de) 1942-11-15
BE442241A (fr)
FR874007A (fr) 1942-07-27

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