BE634674A - - Google Patents
Info
- Publication number
- BE634674A BE634674A BE634674DA BE634674A BE 634674 A BE634674 A BE 634674A BE 634674D A BE634674D A BE 634674DA BE 634674 A BE634674 A BE 634674A
- Authority
- BE
- Belgium
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)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEST19460A DE1259969B (de) | 1962-07-09 | 1962-07-09 | System zur Richtungsbestimmung auf der Grundlage von zwei ausgestrahlten Richtdiagrammen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE634674A true BE634674A (da) |
Family
ID=7458206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE634674D BE634674A (da) | 1962-07-09 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3286261A (da) |
| BE (1) | BE634674A (da) |
| CH (1) | CH414774A (da) |
| DE (1) | DE1259969B (da) |
| NL (1) | NL295108A (da) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2543081A (en) * | 1948-03-16 | 1951-02-27 | Int Standard Electric Corp | Pulsed localizer |
| US2690558A (en) * | 1950-02-04 | 1954-09-28 | Sylvania Electric Prod | Radio navigation system |
| US2717735A (en) * | 1953-06-30 | 1955-09-13 | Rca Corp | Means for locating the position of a mobile craft |
| DE1123000B (de) * | 1958-07-16 | 1962-02-01 | Standard Elektrik Lorenz Ag | Anordnung zur drahtlosen Richtungsbestimmung auf Grund des Dopplereffektes |
| NL269562A (da) * | 1960-09-24 |
-
0
- NL NL295108D patent/NL295108A/xx unknown
- BE BE634674D patent/BE634674A/xx unknown
-
1962
- 1962-07-09 DE DEST19460A patent/DE1259969B/de active Pending
-
1963
- 1963-06-28 US US291355A patent/US3286261A/en not_active Expired - Lifetime
- 1963-07-05 CH CH836863A patent/CH414774A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL295108A (da) | |
| DE1259969B (de) | 1968-02-01 |
| CH414774A (de) | 1966-06-15 |
| US3286261A (en) | 1966-11-15 |