FR2282645B1 - - Google Patents
Info
- Publication number
- FR2282645B1 FR2282645B1 FR7428557A FR7428557A FR2282645B1 FR 2282645 B1 FR2282645 B1 FR 2282645B1 FR 7428557 A FR7428557 A FR 7428557A FR 7428557 A FR7428557 A FR 7428557A FR 2282645 B1 FR2282645 B1 FR 2282645B1
- 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.)
- Expired
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7428557A FR2282645A1 (fr) | 1974-08-20 | 1974-08-20 | Procede et installation radio-electrique de navigation aerienne |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7428557A FR2282645A1 (fr) | 1974-08-20 | 1974-08-20 | Procede et installation radio-electrique de navigation aerienne |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2282645A1 FR2282645A1 (fr) | 1976-03-19 |
| FR2282645B1 true FR2282645B1 (US06168776-20010102-C00041.png) | 1979-09-21 |
Family
ID=9142477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7428557A Granted FR2282645A1 (fr) | 1974-08-20 | 1974-08-20 | Procede et installation radio-electrique de navigation aerienne |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2282645A1 (US06168776-20010102-C00041.png) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2490050A (en) * | 1945-11-07 | 1949-12-06 | Paul G Hansel | Navigation system |
| FR1376102A (fr) * | 1962-11-29 | 1964-10-23 | Int Standard Electric Corp | Système de radionavigation |
| US3778831A (en) * | 1971-04-07 | 1973-12-11 | N Marchand | Compatible double precision doppler omnidirectional bearing system |
-
1974
- 1974-08-20 FR FR7428557A patent/FR2282645A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2282645A1 (fr) | 1976-03-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |