GB1278275A - Radio hyperbolic navigation - Google Patents

Radio hyperbolic navigation

Info

Publication number
GB1278275A
GB1278275A GB33922/69A GB3392269A GB1278275A GB 1278275 A GB1278275 A GB 1278275A GB 33922/69 A GB33922/69 A GB 33922/69A GB 3392269 A GB3392269 A GB 3392269A GB 1278275 A GB1278275 A GB 1278275A
Authority
GB
United Kingdom
Prior art keywords
phase
signals
signal
frequency
receiver
Prior art date
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
GB33922/69A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
& D Applic Des Tech Nouvelles
Original Assignee
& D Applic Des Tech Nouvelles
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
Application filed by & D Applic Des Tech Nouvelles filed Critical & D Applic Des Tech Nouvelles
Publication of GB1278275A publication Critical patent/GB1278275A/en
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
    • G01S1/30—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 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
    • G01S1/304—Analogous 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
GB33922/69A 1968-07-05 1969-07-04 Radio hyperbolic navigation Expired GB1278275A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR158011 1968-07-05

Publications (1)

Publication Number Publication Date
GB1278275A true GB1278275A (en) 1972-06-21

Family

ID=8652135

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33922/69A Expired GB1278275A (en) 1968-07-05 1969-07-04 Radio hyperbolic navigation

Country Status (3)

Country Link
US (1) US3689926A (enrdf_load_stackoverflow)
FR (1) FR1586676A (enrdf_load_stackoverflow)
GB (1) GB1278275A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754260A (en) * 1971-12-02 1973-08-21 Beukers Labor Inc Loran-c third cycle identification through the use of omega
FR2500171A1 (fr) * 1981-02-13 1982-08-20 Mlr Electronique Procede de radio-localisation par determination de phases d'ondes electromagnetiques et dispsositif recepteur pour la mise en oeuvre de ce procede
FR2500168A1 (fr) * 1981-02-16 1982-08-20 Juzhnoe Proizv Obiedin Phasemetre numerique d'asservissement
US4492963A (en) * 1983-10-05 1985-01-08 Eg&G, Inc. Method and apparatus for determining lane count error in a radio navigational system
EP0159844A3 (en) * 1984-04-19 1986-08-20 Cubic Western Data Multi-frequency lane identification system
US6968737B2 (en) * 1997-01-02 2005-11-29 Lucent Technologies Inc. Position determining system using transmitted position information

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3214759A (en) * 1962-04-19 1965-10-26 Seismograph Service Corp Apparatus for providing lane identifi, cation in hyperbolic position finding systems

Also Published As

Publication number Publication date
US3689926A (en) 1972-09-05
FR1586676A (enrdf_load_stackoverflow) 1970-02-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee