FR958127A - - Google Patents

Info

Publication number
FR958127A
FR958127A FR958127DA FR958127A FR 958127 A FR958127 A FR 958127A FR 958127D A FR958127D A FR 958127DA FR 958127 A FR958127 A FR 958127A
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
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 date
Application granted granted Critical
Publication of FR958127A publication Critical patent/FR958127A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S1/00—Beacons 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
    • G01S1/02—Beacons 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
    • G01S1/08—Systems for determining direction or position line
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/24—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being pulses or equivalent modulations on carrier waves and the transit times being compared by measuring the difference in arrival time of a significant part of the modulations, e.g. LORAN systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR958127D 1942-12-23 Expired FR958127A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1828742A GB581602A (en) 1942-12-23 1942-12-23 Improvements in or relating to wireless signalling systems

Publications (1)

Publication Number Publication Date
FR958127A true FR958127A (fr) 1950-03-03

Family

ID=10109866

Family Applications (1)

Application Number Title Priority Date Filing Date
FR958127D Expired FR958127A (fr) 1942-12-23

Country Status (4)

Country Link
BE (1) BE478971A (fr)
FR (1) FR958127A (fr)
GB (1) GB581602A (fr)
NL (2) NL77666C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689346A (en) * 1945-06-13 1954-09-14 Us Navy Long range navigation system
US2578980A (en) * 1946-03-07 1951-12-18 Decca Record Co Ltd Radio-frequency navigation system
US2513322A (en) * 1948-11-27 1950-07-04 Seismograph Service Corp Radio location system

Also Published As

Publication number Publication date
BE478971A (fr)
NL138127B (fr)
GB581602A (en) 1946-10-18
NL77666C (fr)

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