BE686503A - - Google Patents

Info

Publication number
BE686503A
BE686503A BE686503DA BE686503A BE 686503 A BE686503 A BE 686503A BE 686503D A BE686503D A BE 686503DA BE 686503 A BE686503 A BE 686503A
Authority
BE
Belgium
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.)
Filing date
Publication date
Priority claimed from FR32035A external-priority patent/FR1457600A/fr
Application filed filed Critical
Publication of BE686503A publication Critical patent/BE686503A/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
    • G01S1/08Systems for determining direction or position line
    • G01S1/20Systems 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
    • G01S1/30Systems 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 continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
    • G01S1/304Analogous systems in which a beat frequency, obtained by heterodyning the signals, is compared in phase with a reference signal obtained by heterodyning the signals in a fixed reference point and transmitted therefrom, e.g. LORAC (long range accuracy) or TORAN systems
    • 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
    • G01S1/08Systems for determining direction or position line
    • G01S1/20Systems 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
    • G01S1/30Systems 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 continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Power Engineering (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Radar Systems Or Details Thereof (AREA)
BE686503D 1965-09-21 1966-09-06 BE686503A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR32035A FR1457600A (fr) 1965-09-21 1965-09-21 Perfectionnements aux systèmes de radio-localisation
FR71367A FR90671E (fr) 1965-09-21 1966-07-29 Perfectionnements aux systèmes de radio-localisation

Publications (1)

Publication Number Publication Date
BE686503A true BE686503A (nl) 1967-02-15

Family

ID=26166244

Family Applications (2)

Application Number Title Priority Date Filing Date
BE686503D BE686503A (nl) 1965-09-21 1966-09-06
BE700063D BE700063A (nl) 1965-09-21 1967-06-16

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE700063D BE700063A (nl) 1965-09-21 1967-06-16

Country Status (6)

Country Link
US (2) US3392389A (nl)
BE (2) BE686503A (nl)
DE (1) DE1591512C3 (nl)
FR (1) FR90671E (nl)
GB (2) GB1161798A (nl)
NL (2) NL156244B (nl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1811441A1 (de) * 1968-11-28 1970-06-18 Rheinmetall Gmbh Verfahren und Anordnung zum Ausrichten der Geschuetzrohre von im Gelaende aufgestellten Geschuetzen von einer Richtstelle aus
US9735833B2 (en) 2015-07-31 2017-08-15 At&T Intellectual Property I, L.P. Method and apparatus for communications management in a neighborhood network

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974318A (en) * 1956-10-16 1961-03-07 Seismograph Service Corp Radio location system
US3150372A (en) * 1959-06-23 1964-09-22 Motorola Inc Computing system
BE625559A (nl) * 1961-12-09
NL290047A (nl) * 1962-03-14

Also Published As

Publication number Publication date
US3392389A (en) 1968-07-09
FR90671E (fr) 1968-01-26
GB1161798A (en) 1969-08-20
BE700063A (nl) 1967-12-01
DE1591512A1 (de) 1970-08-13
DE1591512C3 (de) 1979-05-03
DE1541580A1 (de) 1969-07-24
NL156244B (nl) 1978-03-15
US3452357A (en) 1969-06-24
NL6613137A (nl) 1967-03-22
DE1591512B2 (de) 1978-08-31
GB1164518A (en) 1969-09-17
DE1541580B2 (de) 1975-06-19
NL6710231A (nl) 1968-01-30

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