FR1381455A - Perfectionnements aux systèmes de radio-localisation - Google Patents
Perfectionnements aux systèmes de radio-localisationInfo
- Publication number
- FR1381455A FR1381455A FR951908A FR951908A FR1381455A FR 1381455 A FR1381455 A FR 1381455A FR 951908 A FR951908 A FR 951908A FR 951908 A FR951908 A FR 951908A FR 1381455 A FR1381455 A FR 1381455A
- Authority
- FR
- France
- Prior art keywords
- radio
- localization systems
- localization
- systems
- Prior art date
- 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
- G01S1/20—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
- G01S1/304—Analogous systems in which a beat frequency, obtained by heterodyning the signals, is compared in phase with a reference signal obtained by heterodyning the signals in a fixed reference point and transmitted therefrom, e.g. LORAC (long range accuracy) or TORAN systems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR951908A FR1381455A (fr) | 1963-10-26 | 1963-10-26 | Perfectionnements aux systèmes de radio-localisation |
GB3989464A GB1044087A (en) | 1963-10-26 | 1964-09-30 | Improvement in radio-location |
DE19641268226 DE1268226B (de) | 1963-10-26 | 1964-10-16 | Verfahren zum Messen des Unterschieds der Abstaende zwischen einer beweglichen Station und zwei ortsfesten Stationen |
NL6412315A NL6412315A (fr) | 1963-10-26 | 1964-10-22 | |
BE654832A BE654832A (fr) | 1963-10-26 | 1964-10-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR951908A FR1381455A (fr) | 1963-10-26 | 1963-10-26 | Perfectionnements aux systèmes de radio-localisation |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1381455A true FR1381455A (fr) | 1964-12-14 |
Family
ID=8815251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR951908A Expired FR1381455A (fr) | 1963-10-26 | 1963-10-26 | Perfectionnements aux systèmes de radio-localisation |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE654832A (fr) |
DE (1) | DE1268226B (fr) |
FR (1) | FR1381455A (fr) |
GB (1) | GB1044087A (fr) |
NL (1) | NL6412315A (fr) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB765573A (en) * | 1954-03-08 | 1957-01-09 | Decca Record Co Ltd | Improvements in or relating to radio navigation systems |
-
1963
- 1963-10-26 FR FR951908A patent/FR1381455A/fr not_active Expired
-
1964
- 1964-09-30 GB GB3989464A patent/GB1044087A/en not_active Expired
- 1964-10-16 DE DE19641268226 patent/DE1268226B/de not_active Withdrawn
- 1964-10-22 NL NL6412315A patent/NL6412315A/xx unknown
- 1964-10-26 BE BE654832A patent/BE654832A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1268226B (de) | 1968-05-16 |
BE654832A (fr) | 1965-02-15 |
NL6412315A (fr) | 1965-04-27 |
GB1044087A (en) | 1966-09-28 |
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