BE474949A - - Google Patents
Info
- Publication number
- BE474949A BE474949A BE474949DA BE474949A BE 474949 A BE474949 A BE 474949A BE 474949D A BE474949D A BE 474949DA BE 474949 A BE474949 A BE 474949A
- 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)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US434067A US2421023A (en) | 1942-03-10 | 1942-03-10 | Means for defining radio courses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE474949A true BE474949A (fr) |
Family
ID=23722683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE474949D BE474949A (fr) | 1942-03-10 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2421023A (fr) |
| BE (1) | BE474949A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2489615A (en) * | 1947-09-13 | 1949-11-29 | Hazeltine Research Inc | Radio aid to air navigation |
| US2789285A (en) * | 1951-11-27 | 1957-04-16 | Csf | Directional radio systems |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2005798A (en) * | 1929-08-31 | 1935-06-25 | Telefunken Gmbh | Directional apparatus |
| BE414648A (fr) * | 1932-01-06 | |||
| US2108562A (en) * | 1935-12-24 | 1938-02-15 | Westinghouse Electric & Mfg Co | Radio system of fog landing for airplanes |
| US2198445A (en) * | 1936-05-14 | 1940-04-23 | Rca Corp | Device for visually indicating the deviation from a course |
-
0
- BE BE474949D patent/BE474949A/xx unknown
-
1942
- 1942-03-10 US US434067A patent/US2421023A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2421023A (en) | 1947-05-27 |