ZA728857B - Improvement relating to radio position fixing - Google Patents
Improvement relating to radio position fixingInfo
- Publication number
- ZA728857B ZA728857B ZA728857A ZA728857A ZA728857B ZA 728857 B ZA728857 B ZA 728857B ZA 728857 A ZA728857 A ZA 728857A ZA 728857 A ZA728857 A ZA 728857A ZA 728857 B ZA728857 B ZA 728857B
- Authority
- ZA
- South Africa
- Prior art keywords
- position fixing
- radio position
- improvement relating
- relating
- improvement
- Prior art date
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
- G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
- G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7145492A FR2169707B1 (enrdf_load_stackoverflow) | 1971-12-17 | 1971-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA728857B true ZA728857B (en) | 1974-08-28 |
Family
ID=9087657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA728857A ZA728857B (en) | 1971-12-17 | 1972-12-14 | Improvement relating to radio position fixing |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR2169707B1 (enrdf_load_stackoverflow) |
SU (1) | SU921473A3 (enrdf_load_stackoverflow) |
ZA (1) | ZA728857B (enrdf_load_stackoverflow) |
-
1971
- 1971-12-17 FR FR7145492A patent/FR2169707B1/fr not_active Expired
-
1972
- 1972-12-14 ZA ZA728857A patent/ZA728857B/xx unknown
-
1974
- 1974-01-28 SU SU741993038A patent/SU921473A3/ru active
Also Published As
Publication number | Publication date |
---|---|
FR2169707B1 (enrdf_load_stackoverflow) | 1977-01-28 |
FR2169707A1 (enrdf_load_stackoverflow) | 1973-09-14 |
SU921473A3 (ru) | 1982-04-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CY861A (en) | Phenicillins | |
IE36750L (en) | Triazolobenzothiazole | |
GB1406623A (en) | Nitromethylcyclopentanones | |
EG10585A (en) | Phenoxycarboxamides | |
GB1404022A (en) | Dihydropyridazones | |
AU4916772A (en) | Benzimidazolyl-2-aminoimidazolines | |
IL39635A0 (en) | Cinnamanilides | |
CY988A (en) | Thienobenzazepines | |
ZA723840B (en) | Improvements relating to phenylimidazolidinones | |
IL40790A0 (en) | Novel pregnadiones | |
GB1389829A (en) | Clawrings | |
IE36289L (en) | Diamino-benzylpyrimidines | |
AU4209872A (en) | Container-agitator | |
GB1400755A (en) | Benzodizepines | |
GB1398846A (en) | Fixing elements | |
GB1400602A (en) | 2-5-nitro-2-thazolyl-benzimidazoles | |
ZA728857B (en) | Improvement relating to radio position fixing | |
ZA722161B (en) | Improvements relating to 4-hydroxy-1-phenyl-2-pyrrolidino-pentane | |
IE36520L (en) | Pyrimidotriazines | |
GB1401975A (en) | 3-trifluoromethyl-anilides | |
IL39398A0 (en) | N-aryl-ureas | |
CA34069S (en) | Frypan | |
CA34072S (en) | Stewpan | |
CA34075S (en) | Sauceboat | |
CA34306S (en) | Conitainer |