BE471227A - - Google Patents
Info
- Publication number
- BE471227A BE471227A BE471227DA BE471227A BE 471227 A BE471227 A BE 471227A BE 471227D A BE471227D A BE 471227DA BE 471227 A BE471227 A BE 471227A
- 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 |
|---|---|---|---|
| GB260340X | 1944-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE471227A true BE471227A (https=) |
Family
ID=10237302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE471227D BE471227A (https=) | 1944-04-04 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE471227A (https=) |
| CH (1) | CH260340A (https=) |
| FR (1) | FR929994A (https=) |
| GB (1) | GB580567A (https=) |
-
0
- BE BE471227D patent/BE471227A/xx unknown
-
1944
- 1944-04-04 GB GB6299/44A patent/GB580567A/en not_active Expired
-
1946
- 1946-06-28 FR FR929994D patent/FR929994A/fr not_active Expired
- 1946-10-22 CH CH260340D patent/CH260340A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH260340A (de) | 1949-03-15 |
| GB580567A (en) | 1946-09-12 |
| FR929994A (fr) | 1948-01-13 |