BE442246A - - Google Patents
Info
- Publication number
- BE442246A BE442246A BE442246DA BE442246A BE 442246 A BE442246 A BE 442246A BE 442246D A BE442246D A BE 442246DA BE 442246 A BE442246 A BE 442246A
- Authority
- BE
- Belgium
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 |
|---|---|
| BE442246A true BE442246A (de) |
Family
ID=23171005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442246D BE442246A (de) | 1939-11-07 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2293694A (de) |
| BE (1) | BE442246A (de) |
| FR (1) | FR867847A (de) |
| GB (1) | GB563007A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR962499A (de) * | 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 (de) * | 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 |
|---|---|
| FR867847A (fr) | 1941-11-29 |
| US2293694A (en) | 1942-08-25 |
| GB563007A (en) | 1944-07-26 |