NL58720C - - Google Patents

Info

Publication number
NL58720C
NL58720C NL58720DA NL58720C NL 58720 C NL58720 C NL 58720C NL 58720D A NL58720D A NL 58720DA NL 58720 C NL58720 C NL 58720C
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 NL58720C publication Critical patent/NL58720C/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)
  • Transmitters (AREA)
NL58720D 1939-04-29 NL58720C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US270829A US2238965A (en) 1939-04-29 1939-04-29 Radio range

Publications (1)

Publication Number Publication Date
NL58720C true NL58720C (en)

Family

ID=23032969

Family Applications (1)

Application Number Title Priority Date Filing Date
NL58720D NL58720C (en) 1939-04-29

Country Status (2)

Country Link
US (1) US2238965A (en)
NL (1) NL58720C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2514351A (en) * 1940-01-03 1950-07-04 Rca Corp Aircraft landing system employing lobe switching of radio beams
CH249408A (en) * 1946-04-01 1947-06-30 Patelhold Patentverwertung Device for determining the horizontal angular position of a receiver.

Also Published As

Publication number Publication date
US2238965A (en) 1941-04-22

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