BE478008A - - Google Patents
Info
- Publication number
- BE478008A BE478008A BE478008DA BE478008A BE 478008 A BE478008 A BE 478008A BE 478008D A BE478008D A BE 478008DA BE 478008 A BE478008 A BE 478008A
- 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)
- Transmitters (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL265550X | 1946-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE478008A true BE478008A (US20080094685A1-20080424-C00004.png) |
Family
ID=19781703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE478008D BE478008A (US20080094685A1-20080424-C00004.png) | 1946-12-12 |
Country Status (5)
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2116667A (en) * | 1934-04-11 | 1938-05-10 | Csf | Radio beacon and blind landing system |
| NL50131C (US20080094685A1-20080424-C00004.png) * | 1936-11-06 | |||
| BE442246A (US20080094685A1-20080424-C00004.png) * | 1939-11-07 | |||
| GB568120A (en) * | 1940-02-23 | 1945-03-20 | Standard Telephones Cables Ltd | Improvements in or relating to radio beacons |
| NL69847C (US20080094685A1-20080424-C00004.png) * | 1941-03-01 | |||
| US2422096A (en) * | 1942-09-30 | 1947-06-10 | Rca Corp | Direction finding system |
| BE482825A (US20080094685A1-20080424-C00004.png) * | 1943-08-26 |
-
0
- BE BE478008D patent/BE478008A/xx unknown
-
1947
- 1947-12-06 US US790208A patent/US2577443A/en not_active Expired - Lifetime
- 1947-12-09 GB GB32423/47A patent/GB655678A/en not_active Expired
- 1947-12-10 CH CH265550D patent/CH265550A/de unknown
-
1948
- 1948-11-04 DE DEP20541A patent/DE812087C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE812087C (de) | 1951-08-27 |
| CH265550A (de) | 1949-12-15 |
| US2577443A (en) | 1951-12-04 |
| GB655678A (en) | 1951-08-01 |
