FR2034734A1 - - Google Patents
Info
- Publication number
- FR2034734A1 FR2034734A1 FR7008097A FR7008097A FR2034734A1 FR 2034734 A1 FR2034734 A1 FR 2034734A1 FR 7008097 A FR7008097 A FR 7008097A FR 7008097 A FR7008097 A FR 7008097A FR 2034734 A1 FR2034734 A1 FR 2034734A1
- 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
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Traffic Control Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB02225/69A GB1236141A (en) | 1969-03-07 | 1969-03-07 | Radio navigation system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2034734A1 true FR2034734A1 (fr) | 1970-12-11 |
FR2034734B1 FR2034734B1 (fr) | 1975-01-10 |
Family
ID=10000652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7008097A Expired FR2034734B1 (fr) | 1969-03-07 | 1970-03-06 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3670338A (fr) |
CA (1) | CA920699A (fr) |
DE (1) | DE2010472C3 (fr) |
FR (1) | FR2034734B1 (fr) |
GB (1) | GB1236141A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2088516A1 (fr) * | 1970-05-12 | 1972-01-07 | Int Standard Electric Corp |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE759259A (fr) * | 1969-11-24 | 1971-05-24 | Int Standard Electric Corp | Procede de mesure de frequence |
GB1406439A (en) * | 1972-01-04 | 1975-09-17 | Plessey Co Ltd | Doppler microwave landing systems |
US3737908A (en) * | 1972-04-06 | 1973-06-05 | Itt | Doppler navigation beacon system with angular filter |
GB1402885A (en) * | 1972-08-03 | 1975-08-13 | Standard Telephones Cables Ltd | Doppler radio gui-ance systems |
FR2235373B1 (fr) * | 1973-06-26 | 1976-09-17 | Labo Cent Telecommunicat | |
US3900877A (en) * | 1973-07-16 | 1975-08-19 | Int Standard Electric Corp | Elevation measuring device for phase-interferometer aircraft landing system |
US4485384A (en) * | 1981-03-05 | 1984-11-27 | Connor Frank R | Microwave system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1005779A (fr) * | 1947-09-23 | 1952-04-15 | Onera (Off Nat Aerospatiale) | Procédé radio-électrique de guidage de mobiles suivant une direction prédéterminée et application de ce procédé à l'atterrissage sans visibilité des aéronefs |
US3130407A (en) * | 1960-09-24 | 1964-04-21 | Int Standard Electric Corp | Twin beacon system |
FR1388269A (fr) * | 1964-02-29 | 1965-02-05 | Int Standard Electric Corp | Système de radio-communication |
US3234554A (en) * | 1961-11-10 | 1966-02-08 | Int Standard Electric Corp | Radio navigation system |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1237647B (de) * | 1963-03-09 | 1967-03-30 | Standard Elektrik Lorenz Ag | Allrichtungs-Funkortungsverfahren nach dem Dopplerprinzip |
-
1969
- 1969-03-07 GB GB02225/69A patent/GB1236141A/en not_active Expired
-
1970
- 1970-02-09 US US9802A patent/US3670338A/en not_active Expired - Lifetime
- 1970-02-12 CA CA074742A patent/CA920699A/en not_active Expired
- 1970-03-05 DE DE2010472A patent/DE2010472C3/de not_active Expired
- 1970-03-06 FR FR7008097A patent/FR2034734B1/fr not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1005779A (fr) * | 1947-09-23 | 1952-04-15 | Onera (Off Nat Aerospatiale) | Procédé radio-électrique de guidage de mobiles suivant une direction prédéterminée et application de ce procédé à l'atterrissage sans visibilité des aéronefs |
US3130407A (en) * | 1960-09-24 | 1964-04-21 | Int Standard Electric Corp | Twin beacon system |
US3234554A (en) * | 1961-11-10 | 1966-02-08 | Int Standard Electric Corp | Radio navigation system |
FR1388269A (fr) * | 1964-02-29 | 1965-02-05 | Int Standard Electric Corp | Système de radio-communication |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2088516A1 (fr) * | 1970-05-12 | 1972-01-07 | Int Standard Electric Corp |
Also Published As
Publication number | Publication date |
---|---|
CA920699A (en) | 1973-02-06 |
DE2010472B2 (de) | 1973-11-22 |
FR2034734B1 (fr) | 1975-01-10 |
DE2010472A1 (de) | 1970-09-24 |
US3670338A (en) | 1972-06-13 |
DE2010472C3 (de) | 1974-06-27 |
GB1236141A (en) | 1971-06-23 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |