FR84586E - Radio navigation system - Google Patents

Radio navigation system

Info

Publication number
FR84586E
FR84586E FR951777A FR951777A FR84586E FR 84586 E FR84586 E FR 84586E FR 951777 A FR951777 A FR 951777A FR 951777 A FR951777 A FR 951777A FR 84586 E FR84586 E FR 84586E
Authority
FR
France
Prior art keywords
navigation system
radio navigation
radio
navigation
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
FR951777A
Other languages
French (fr)
Inventor
Charles William Earp
Francis Gilles Overbury
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 GB2751061A external-priority patent/GB1003317A/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Priority to FR951777A priority Critical patent/FR84586E/en
Application granted granted Critical
Publication of FR84586E publication Critical patent/FR84586E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • 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
    • G01S1/38—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna
    • G01S1/40—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna the apparent movement of the antenna being produced by cyclic sequential energisation of fixed antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR951777A 1961-07-28 1963-10-25 Radio navigation system Expired FR84586E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR951777A FR84586E (en) 1961-07-28 1963-10-25 Radio navigation system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2751061A GB1003317A (en) 1961-07-28 1961-07-28 Radio navigational system
FR951777A FR84586E (en) 1961-07-28 1963-10-25 Radio navigation system

Publications (1)

Publication Number Publication Date
FR84586E true FR84586E (en) 1965-03-05

Family

ID=26204065

Family Applications (1)

Application Number Title Priority Date Filing Date
FR951777A Expired FR84586E (en) 1961-07-28 1963-10-25 Radio navigation system

Country Status (1)

Country Link
FR (1) FR84586E (en)

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