FR1484700A - Perfectionnements aux systèmes et dispositifs de radiolocalisation - Google Patents
Perfectionnements aux systèmes et dispositifs de radiolocalisationInfo
- Publication number
- FR1484700A FR1484700A FR55325A FR55325A FR1484700A FR 1484700 A FR1484700 A FR 1484700A FR 55325 A FR55325 A FR 55325A FR 55325 A FR55325 A FR 55325A FR 1484700 A FR1484700 A FR 1484700A
- Authority
- FR
- France
- Prior art keywords
- devices
- radiolocation systems
- radiolocation
- 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
-
- 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
- G01S1/22—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 frequency modulations on carrier waves and the transit times being compared by measuring difference of instantaneous frequencies of received carrier 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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR55325A FR1484700A (fr) | 1966-03-29 | 1966-03-29 | Perfectionnements aux systèmes et dispositifs de radiolocalisation |
US619266A US3434143A (en) | 1966-03-29 | 1967-02-28 | Apparatus for determining the radiolocation of a movable part |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR55325A FR1484700A (fr) | 1966-03-29 | 1966-03-29 | Perfectionnements aux systèmes et dispositifs de radiolocalisation |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1484700A true FR1484700A (fr) | 1967-06-16 |
Family
ID=8604896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR55325A Expired FR1484700A (fr) | 1966-03-29 | 1966-03-29 | Perfectionnements aux systèmes et dispositifs de radiolocalisation |
Country Status (2)
Country | Link |
---|---|
US (1) | US3434143A (fr) |
FR (1) | FR1484700A (fr) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2718002A (en) * | 1949-02-02 | 1955-09-13 | Int Standard Electric Corp | Long range navigation system |
US2690558A (en) * | 1950-02-04 | 1954-09-28 | Sylvania Electric Prod | Radio navigation system |
US2754512A (en) * | 1951-06-26 | 1956-07-10 | Davis Harry | Fm long range navigation system |
GB928421A (en) * | 1959-12-18 | 1963-06-12 | Marconi Wireless Telegraph Co | Improvements in or relating to navigation aiding receivers |
GB906563A (en) * | 1960-02-15 | 1962-09-26 | Decca Ltd | Improvements in or relating to radio navigation systems |
BE625333A (fr) * | 1960-09-24 |
-
1966
- 1966-03-29 FR FR55325A patent/FR1484700A/fr not_active Expired
-
1967
- 1967-02-28 US US619266A patent/US3434143A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3434143A (en) | 1969-03-18 |
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