FR2120097A1 - - Google Patents

Info

Publication number
FR2120097A1
FR2120097A1 FR7147225A FR7147225A FR2120097A1 FR 2120097 A1 FR2120097 A1 FR 2120097A1 FR 7147225 A FR7147225 A FR 7147225A FR 7147225 A FR7147225 A FR 7147225A FR 2120097 A1 FR2120097 A1 FR 2120097A1
Authority
FR
France
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.)
Granted
Application number
FR7147225A
Other languages
French (fr)
Other versions
FR2120097B1 (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.)
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
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2120097A1 publication Critical patent/FR2120097A1/fr
Application granted granted Critical
Publication of FR2120097B1 publication Critical patent/FR2120097B1/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
FR7147225A 1970-12-29 1971-12-29 Expired FR2120097B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6159570 1970-12-29

Publications (2)

Publication Number Publication Date
FR2120097A1 true FR2120097A1 (en) 1972-08-11
FR2120097B1 FR2120097B1 (en) 1975-08-29

Family

ID=10487200

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7147225A Expired FR2120097B1 (en) 1970-12-29 1971-12-29

Country Status (6)

Country Link
JP (1) JPS5131198B1 (en)
CA (1) CA968876A (en)
DE (1) DE2162960A1 (en)
FR (1) FR2120097B1 (en)
GB (1) GB1317310A (en)
IT (1) IT944015B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1231952A (en) * 1958-07-16 1960-10-04 Int Standard Electric Corp Radiation or exploration system, in particular for radiobeacons and direction finders
US3130407A (en) * 1960-09-24 1964-04-21 Int Standard Electric Corp Twin beacon system
FR1396305A (en) * 1960-09-24 1965-04-23 Int Standard Electric Corp Frequency modulated radio beacon
US3290687A (en) * 1962-08-27 1966-12-06 Int Standard Electric Corp Course beacon system to provide directional information with the aid of two frequency-deviation directional radiation patterns

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1231952A (en) * 1958-07-16 1960-10-04 Int Standard Electric Corp Radiation or exploration system, in particular for radiobeacons and direction finders
US3130407A (en) * 1960-09-24 1964-04-21 Int Standard Electric Corp Twin beacon system
FR1396305A (en) * 1960-09-24 1965-04-23 Int Standard Electric Corp Frequency modulated radio beacon
US3290687A (en) * 1962-08-27 1966-12-06 Int Standard Electric Corp Course beacon system to provide directional information with the aid of two frequency-deviation directional radiation patterns

Also Published As

Publication number Publication date
DE2162960A1 (en) 1972-07-20
CA968876A (en) 1975-06-03
JPS5131198B1 (en) 1976-09-04
FR2120097B1 (en) 1975-08-29
IT944015B (en) 1973-04-20
GB1317310A (en) 1973-05-16

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Legal Events

Date Code Title Description
ST Notification of lapse