FR869410A - Dispositif destiné aux radio-transmetteurs ou radio-phares - Google Patents
Dispositif destiné aux radio-transmetteurs ou radio-pharesInfo
- Publication number
- FR869410A FR869410A FR869410DA FR869410A FR 869410 A FR869410 A FR 869410A FR 869410D A FR869410D A FR 869410DA FR 869410 A FR869410 A FR 869410A
- Authority
- FR
- France
- Prior art keywords
- radio
- headlights
- device intended
- transmitters
- radio transmitters
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE546238X | 1939-11-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR869410A true FR869410A (fr) | 1942-02-02 |
Family
ID=20311693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR869410D Expired FR869410A (fr) | 1939-11-28 | 1941-01-21 | Dispositif destiné aux radio-transmetteurs ou radio-phares |
Country Status (3)
Country | Link |
---|---|
US (1) | US2306623A (fr) |
FR (1) | FR869410A (fr) |
GB (1) | GB546238A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2904784A (en) * | 1953-08-10 | 1959-09-15 | Gasaccumulator Svenska Ab | Radio beacon of complementary code type |
-
1940
- 1940-10-29 US US363280A patent/US2306623A/en not_active Expired - Lifetime
- 1940-12-05 GB GB17323/40A patent/GB546238A/en not_active Expired
-
1941
- 1941-01-21 FR FR869410D patent/FR869410A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2306623A (en) | 1942-12-29 |
GB546238A (en) | 1942-07-03 |
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