FR85605E - Frequency modulated radio beacon - Google Patents
Frequency modulated radio beaconInfo
- Publication number
- FR85605E FR85605E FR916896A FR916896A FR85605E FR 85605 E FR85605 E FR 85605E FR 916896 A FR916896 A FR 916896A FR 916896 A FR916896 A FR 916896A FR 85605 E FR85605 E FR 85605E
- Authority
- FR
- France
- Prior art keywords
- frequency modulated
- radio beacon
- modulated radio
- beacon
- frequency
- 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
- G01S1/38—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
-
- 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR916896A FR85605E (en) | 1960-09-24 | 1962-11-28 | Frequency modulated radio beacon |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEST16939A DE1192710B (en) | 1960-09-24 | 1960-09-24 | Doppler radio beacon system for determining the direction on the receiving end |
DEST017124 | 1960-11-16 | ||
DEST17125A DE1223902B (en) | 1960-09-24 | 1960-11-16 | Procedure for determining the base line based on two similar directional diagrams |
FR916896A FR85605E (en) | 1960-09-24 | 1962-11-28 | Frequency modulated radio beacon |
Publications (1)
Publication Number | Publication Date |
---|---|
FR85605E true FR85605E (en) | 1965-09-17 |
Family
ID=27437429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR916896A Expired FR85605E (en) | 1960-09-24 | 1962-11-28 | Frequency modulated radio beacon |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR85605E (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4749068A (en) * | 1984-12-20 | 1988-06-07 | Jacques Sirven | Shock absorber for the suspension of a motor vehicle |
-
1962
- 1962-11-28 FR FR916896A patent/FR85605E/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4749068A (en) * | 1984-12-20 | 1988-06-07 | Jacques Sirven | Shock absorber for the suspension of a motor vehicle |
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