FR1396305A - Frequency modulated radio beacon - Google Patents

Frequency modulated radio beacon

Info

Publication number
FR1396305A
FR1396305A FR873940A FR873940A FR1396305A FR 1396305 A FR1396305 A FR 1396305A FR 873940 A FR873940 A FR 873940A FR 873940 A FR873940 A FR 873940A FR 1396305 A FR1396305 A FR 1396305A
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
FR873940A
Other languages
French (fr)
Inventor
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 DEST16939A external-priority patent/DE1192710B/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Priority to FR873940A priority Critical patent/FR1396305A/en
Application granted granted Critical
Publication of FR1396305A publication Critical patent/FR1396305A/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
    • G01S1/38—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
    • 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
FR873940A 1960-09-24 1961-09-22 Frequency modulated radio beacon Expired FR1396305A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR873940A FR1396305A (en) 1960-09-24 1961-09-22 Frequency modulated radio beacon

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEST16939A DE1192710B (en) 1960-09-24 1960-09-24 Doppler radio beacon system for determining the direction on the receiving end
DEST017124 1960-11-16
DEST17125A DE1223902B (en) 1960-09-24 1960-11-16 Procedure for determining the base line based on two similar directional diagrams
FR873940A FR1396305A (en) 1960-09-24 1961-09-22 Frequency modulated radio beacon

Publications (1)

Publication Number Publication Date
FR1396305A true FR1396305A (en) 1965-04-23

Family

ID=27437428

Family Applications (1)

Application Number Title Priority Date Filing Date
FR873940A Expired FR1396305A (en) 1960-09-24 1961-09-22 Frequency modulated radio beacon

Country Status (1)

Country Link
FR (1) FR1396305A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2120097A1 (en) * 1970-12-29 1972-08-11 Int Standard Electric Corp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2120097A1 (en) * 1970-12-29 1972-08-11 Int Standard Electric Corp

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