BE445232A - - Google Patents
Info
- Publication number
- BE445232A BE445232A BE445232DA BE445232A BE 445232 A BE445232 A BE 445232A BE 445232D A BE445232D A BE 445232DA BE 445232 A BE445232 A BE 445232A
- 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)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DET5216D DE906944C (en) | 1941-01-09 | 1941-01-09 | Device for sharpening direction finders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE445232A true BE445232A (en) | 1942-05-30 |
Family
ID=7544926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE445232D BE445232A (en) | 1941-01-09 | 1942-04-16 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE445232A (en) |
| DE (1) | DE906944C (en) |
| FR (1) | FR881292A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2475612A (en) * | 1945-06-27 | 1949-07-12 | Paul G Hansel | Direction finding system |
| BE481082A (en) * | 1945-07-16 | |||
| DE1069679B (en) * | 1957-06-25 | 1959-11-26 | General Electric Company, Schenectady, N. Y. (V. St. A.) | Magnetic switching device |
-
1941
- 1941-01-09 DE DET5216D patent/DE906944C/en not_active Expired
-
1942
- 1942-04-16 BE BE445232D patent/BE445232A/xx unknown
- 1942-04-16 FR FR881292D patent/FR881292A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR881292A (en) | 1943-04-20 |
| DE906944C (en) | 1954-03-18 |