BE478250A - - Google Patents
Info
- Publication number
- BE478250A BE478250A BE478250DA BE478250A BE 478250 A BE478250 A BE 478250A BE 478250D A BE478250D A BE 478250DA BE 478250 A BE478250 A BE 478250A
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US680610A US2520167A (en) | 1946-07-01 | 1946-07-01 | Direction finder system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE478250A true BE478250A (fr) |
Family
ID=24731780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE478250D BE478250A (fr) | 1946-07-01 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2520167A (fr) |
| BE (1) | BE478250A (fr) |
| FR (1) | FR956766A (fr) |
| GB (1) | GB638160A (fr) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL57900C (fr) * | 1937-11-06 | |||
| FR852668A (fr) * | 1938-10-15 | 1940-02-29 | Materiel Telephonique | Systèmes et appareils de navigation |
| BE446655A (fr) * | 1941-01-17 | |||
| US2380929A (en) * | 1941-05-17 | 1945-08-07 | Ahier Jean | Indicating system particularly for the measure of angles |
| US2415566A (en) * | 1942-02-21 | 1947-02-11 | Rca Corp | Cathode-ray indicator |
| US2421663A (en) * | 1942-12-30 | 1947-06-03 | Rca Corp | Control of servo mechanism |
| US2405930A (en) * | 1944-02-07 | 1946-08-13 | Stromberg Carlson Co | Synchronizing arrangement for locator systems |
-
0
- FR FR956766D patent/FR956766A/fr not_active Expired
- BE BE478250D patent/BE478250A/xx unknown
-
1946
- 1946-07-01 US US680610A patent/US2520167A/en not_active Expired - Lifetime
-
1947
- 1947-04-18 GB GB10405/47A patent/GB638160A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB638160A (en) | 1950-05-31 |
| FR956766A (fr) | 1950-02-07 |
| US2520167A (en) | 1950-08-29 |