FR1287274A - Radiobalise modulée en fréquence - Google Patents
Radiobalise modulée en fréquenceInfo
- Publication number
- FR1287274A FR1287274A FR860117A FR860117A FR1287274A FR 1287274 A FR1287274 A FR 1287274A FR 860117 A FR860117 A FR 860117A FR 860117 A FR860117 A FR 860117A FR 1287274 A FR1287274 A FR 1287274A
- 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
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 |
---|---|---|---|
FR860117A FR1287274A (fr) | 1960-04-27 | 1961-04-27 | Radiobalise modulée en fréquence |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEST16419A DE1148606B (de) | 1960-04-27 | 1960-04-27 | Doppler-Leitstrahlfunkfeuer |
FR860117A FR1287274A (fr) | 1960-04-27 | 1961-04-27 | Radiobalise modulée en fréquence |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1287274A true FR1287274A (fr) | 1962-03-09 |
Family
ID=25993956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR860117A Expired FR1287274A (fr) | 1960-04-27 | 1961-04-27 | Radiobalise modulée en fréquence |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1287274A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2033297A1 (fr) * | 1969-02-05 | 1970-12-04 | Int Standard Electric Corp |
-
1961
- 1961-04-27 FR FR860117A patent/FR1287274A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2033297A1 (fr) * | 1969-02-05 | 1970-12-04 | Int Standard Electric Corp |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH397792A (fr) | Discriminateur de fréquence | |
FR1244783A (fr) | Récepteur radiophonique à modulation de fréquence | |
FR1289329A (fr) | émetteur haute fréquence | |
CH397798A (de) | Frequenzmoduliertes Leitstrahl-Richtfunkfeuer | |
DK140239B (da) | Frekvensmoduleret oscillator. | |
CH407257A (de) | Radiobakenausrüstung | |
BE608344A (fr) | Altimètres radioélectriques. | |
CH387714A (de) | Frequenzwandler | |
FR1287274A (fr) | Radiobalise modulée en fréquence | |
FR85605E (fr) | Radiobalise modulée en fréquence | |
FR1396305A (fr) | Radiobalise modulée en fréquence | |
BE608942A (fr) | Diviseur en fréquence | |
FR85505E (fr) | Radiobalise modulée en fréquence | |
FR1284185A (fr) | Circuit convertisseur de fréquence | |
FR85608E (fr) | Radiobalise modulée en fréquence | |
FR85609E (fr) | Radiobalise modulée en fréquence | |
ES84847Y (es) | Aparato radiorreceptor perfeccionado | |
CH389037A (de) | Mikrowellen-Frequenzdiskriminator | |
FR85658E (fr) | Radiobalise modulée en fréquence | |
BE615456R (fr) | Altimètres radioélectriques | |
FR1267826A (fr) | Résonateur radioélectrique | |
FR1205238A (fr) | Radio-balise de conversation | |
DK103675C (da) | Frekvensmodulatorkobling. | |
FR1311459A (fr) | Discriminateur de fréquence | |
CH420287A (de) | Funkfeuer |