NL84214C - - Google Patents

Info

Publication number
NL84214C
NL84214C NL84214DA NL84214C NL 84214 C NL84214 C NL 84214C NL 84214D A NL84214D A NL 84214DA NL 84214 C NL84214 C NL 84214C
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 NL84214C publication Critical patent/NL84214C/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00Antennas or antenna systems providing at least two radiating patterns
    • 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)
  • Toys (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Audible And Visible Signals (AREA)
  • Mobile Radio Communication Systems (AREA)
NL84214D 1952-02-23 NL84214C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE737017X 1952-02-23

Publications (1)

Publication Number Publication Date
NL84214C true NL84214C (nl)

Family

ID=20319722

Family Applications (1)

Application Number Title Priority Date Filing Date
NL84214D NL84214C (nl) 1952-02-23

Country Status (7)

Country Link
US (1) US2774966A (nl)
BE (1) BE517863A (nl)
DE (1) DE943596C (nl)
FR (1) FR1071228A (nl)
GB (1) GB737017A (nl)
NL (1) NL84214C (nl)
SE (1) SE135320C1 (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3096513A (en) * 1957-10-14 1963-07-02 Gilfillan Bros Inc Semi-automatic ground controlled appoach system
NL282955A (nl) * 1961-09-06
US3873982A (en) * 1973-05-29 1975-03-25 Servo Corp Of America Talking direction finder

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB504744A (en) * 1937-10-29 1939-05-01 Marconi Wireless Telegraph Co Improvements in or relating to navigation aiding radio transmitters
US2212238A (en) * 1938-06-11 1940-08-20 Internat Telephone Dev Co Inc Ultra short wave course beacon
US2424079A (en) * 1943-04-19 1947-07-15 Gen Electric System of communication
US2450005A (en) * 1944-04-26 1948-09-28 Standard Telephones Cables Ltd Omnidirectional radio beacon
US2609534A (en) * 1944-08-24 1952-09-02 Paul B Taylor Radio beacon
US2444439A (en) * 1945-03-26 1948-07-06 Standard Telephones Cables Ltd Beacon receiver means
US2462853A (en) * 1945-09-13 1949-03-01 Standard Telephones Cables Ltd Frequency operative azimuth indicator

Also Published As

Publication number Publication date
FR1071228A (fr) 1954-08-27
GB737017A (en) 1955-09-21
SE135320C1 (nl) 1952-04-22
DE943596C (de) 1956-05-24
US2774966A (en) 1956-12-18
BE517863A (nl)

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