FR867847A - Systèmes radioélectriques directifs - Google Patents
Systèmes radioélectriques directifsInfo
- Publication number
- FR867847A FR867847A FR867847DA FR867847A FR 867847 A FR867847 A FR 867847A FR 867847D A FR867847D A FR 867847DA FR 867847 A FR867847 A FR 867847A
- Authority
- FR
- France
- Prior art keywords
- radio systems
- directive radio
- directive
- systems
- radio
- 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)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US303206A US2293694A (en) | 1939-11-07 | 1939-11-07 | Directive radio system for guiding arrangements |
Publications (1)
Publication Number | Publication Date |
---|---|
FR867847A true FR867847A (fr) | 1941-11-29 |
Family
ID=23171005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR867847D Expired FR867847A (fr) | 1939-11-07 | 1940-11-29 | Systèmes radioélectriques directifs |
Country Status (4)
Country | Link |
---|---|
US (1) | US2293694A (fr) |
BE (1) | BE442246A (fr) |
FR (1) | FR867847A (fr) |
GB (1) | GB563007A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR962499A (fr) * | 1942-06-02 | 1950-06-10 | ||
US2434927A (en) * | 1942-11-10 | 1948-01-27 | Int Standard Electric Corp | Antenna system for defining a blind approach path |
BE478008A (fr) * | 1946-12-12 | |||
US2578961A (en) * | 1948-01-15 | 1951-12-18 | Fr Sadir Carpentier Soc | Radio-guiding system |
US2765461A (en) * | 1952-08-01 | 1956-10-02 | Alford Andrew | Monidirectional range system |
GB987470A (en) * | 1962-06-13 | 1965-03-31 | Secr Aviation | Improvements in or relating to aircraft approach and landing systems |
-
0
- BE BE442246D patent/BE442246A/xx unknown
-
1939
- 1939-11-07 US US303206A patent/US2293694A/en not_active Expired - Lifetime
-
1940
- 1940-08-21 GB GB13291/40A patent/GB563007A/en not_active Expired
- 1940-11-29 FR FR867847D patent/FR867847A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE442246A (fr) | |
US2293694A (en) | 1942-08-25 |
GB563007A (en) | 1944-07-26 |
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