FR852903A - Système de radio-balisage - Google Patents
Système de radio-balisageInfo
- Publication number
- FR852903A FR852903A FR852903DA FR852903A FR 852903 A FR852903 A FR 852903A FR 852903D A FR852903D A FR 852903DA FR 852903 A FR852903 A FR 852903A
- Authority
- FR
- France
- Prior art keywords
- beaconing system
- radio
- radio beaconing
- beaconing
- 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
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5526/39A GB525359A (en) | 1939-02-20 | 1939-02-20 | Improvements in or relating to radio transmitting systems |
CH212659T | 1939-03-20 | ||
FR852903T | 1939-04-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR852903A true FR852903A (fr) | 1940-03-06 |
Family
ID=9797851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR852903D Expired FR852903A (fr) | 1939-02-20 | 1939-04-11 | Système de radio-balisage |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH212659A (fr) |
FR (1) | FR852903A (fr) |
GB (1) | GB525359A (fr) |
-
1939
- 1939-02-20 GB GB5526/39A patent/GB525359A/en not_active Expired
- 1939-03-20 CH CH212659D patent/CH212659A/de unknown
- 1939-04-11 FR FR852903D patent/FR852903A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH212659A (de) | 1940-12-15 |
GB525359A (en) | 1940-08-27 |
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