FR85505E - Radiobalise modulée en fréquence - Google Patents

Radiobalise modulée en fréquence

Info

Publication number
FR85505E
FR85505E FR914930A FR914930A FR85505E FR 85505 E FR85505 E FR 85505E FR 914930 A FR914930 A FR 914930A FR 914930 A FR914930 A FR 914930A FR 85505 E FR85505 E FR 85505E
Authority
FR
France
Prior art keywords
frequency modulated
radio beacon
modulated radio
beacon
frequency
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
FR914930A
Other languages
English (en)
Inventor
Charles William Earp
Ernst Kramar
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 GB40393/61A external-priority patent/GB1021551A/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Priority to FR914930A priority Critical patent/FR85505E/fr
Application granted granted Critical
Publication of FR85505E publication Critical patent/FR85505E/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
    • G01S1/38—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)
FR914930A 1961-11-10 1962-11-09 Radiobalise modulée en fréquence Expired FR85505E (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR914930A FR85505E (fr) 1961-11-10 1962-11-09 Radiobalise modulée en fréquence

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB40393/61A GB1021551A (en) 1961-11-10 1961-11-10 Radio navigation system
FR914930A FR85505E (fr) 1961-11-10 1962-11-09 Radiobalise modulée en fréquence

Publications (1)

Publication Number Publication Date
FR85505E true FR85505E (fr) 1965-08-27

Family

ID=26198330

Family Applications (1)

Application Number Title Priority Date Filing Date
FR914930A Expired FR85505E (fr) 1961-11-10 1962-11-09 Radiobalise modulée en fréquence

Country Status (1)

Country Link
FR (1) FR85505E (fr)

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