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NL69644C - - Google Patents

Info

Publication number
NL69644C
NL69644C NL69644DA NL69644C NL 69644 C NL69644 C NL 69644C NL 69644D A NL69644D A NL 69644DA NL 69644 C NL69644 C NL 69644C
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 NL69644C publication Critical patent/NL69644C/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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/08Position of single direction-finder fixed by determining direction of a plurality of spaced sources of known location
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Traffic Control Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
NL69644D 1945-06-30 NL69644C (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US602448A US2449977A (en) 1945-06-30 1945-06-30 Location indicating system

Publications (1)

Publication Number Publication Date
NL69644C true NL69644C (es)

Family

ID=24411404

Family Applications (1)

Application Number Title Priority Date Filing Date
NL69644D NL69644C (es) 1945-06-30

Country Status (6)

Country Link
US (1) US2449977A (es)
BE (1) BE471101A (es)
DE (1) DE902861C (es)
FR (1) FR938473A (es)
GB (1) GB625734A (es)
NL (1) NL69644C (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891246A (en) * 1945-12-10 1959-06-16 Jr John C Reed Beacon system
US2538063A (en) * 1946-07-11 1951-01-16 Touvet Guy Search and orientation system
BE476540A (es) * 1946-07-16
US2589808A (en) * 1946-10-21 1952-03-18 Hazeltine Research Inc Transpondor system
US2479953A (en) * 1947-01-03 1949-08-23 Gen Electric Radar display system
US2514436A (en) * 1948-06-18 1950-07-11 Luis W Alvarez Airway monitoring and control system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB158897A (en) * 1919-06-12 1921-12-02 Walter William Conners Means for representing in similitude the location and movement of a body
US2132599A (en) * 1935-12-23 1938-10-11 Baumann Karl Landing means for aircraft
US2252083A (en) * 1938-04-23 1941-08-12 Rca Corp Radio traffic control
US2321698A (en) * 1940-06-06 1943-06-15 George V Nolde Navigational guide system

Also Published As

Publication number Publication date
DE902861C (de) 1954-01-28
US2449977A (en) 1948-09-28
BE471101A (es)
GB625734A (en) 1949-07-04
FR938473A (fr) 1948-09-16

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