BE438410A - - Google Patents
Info
- Publication number
- BE438410A BE438410A BE438410DA BE438410A BE 438410 A BE438410 A BE 438410A BE 438410D A BE438410D A BE 438410DA BE 438410 A BE438410 A BE 438410A
- 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)
- Control Of Ac Motors In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US537530XA | 1939-03-22 | 1939-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE438410A true BE438410A (en) |
Family
ID=21986304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE438410D BE438410A (en) | 1939-03-22 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE438410A (en) |
| GB (1) | GB537530A (en) |
-
0
- BE BE438410D patent/BE438410A/xx unknown
-
1940
- 1940-02-09 GB GB2532/40A patent/GB537530A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB537530A (en) | 1941-06-25 |