BE474700A - - Google Patents
Info
- Publication number
- BE474700A BE474700A BE474700DA BE474700A BE 474700 A BE474700 A BE 474700A BE 474700D A BE474700D A BE 474700DA BE 474700 A BE474700 A BE 474700A
- 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 |
|---|---|---|---|
| US626654XA | 1941-11-29 | 1941-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE474700A true BE474700A (https=) |
Family
ID=22044027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE474700D BE474700A (https=) | 1941-11-29 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE474700A (https=) |
| FR (1) | FR950076A (https=) |
| GB (1) | GB626654A (https=) |
-
0
- BE BE474700D patent/BE474700A/xx unknown
-
1946
- 1946-07-26 GB GB22378/46A patent/GB626654A/en not_active Expired
-
1947
- 1947-07-24 FR FR950076D patent/FR950076A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR950076A (fr) | 1949-09-16 |
| GB626654A (en) | 1949-07-19 |