BE449771A - - Google Patents
Info
- Publication number
- BE449771A BE449771A BE449771DA BE449771A BE 449771 A BE449771 A BE 449771A BE 449771D A BE449771D A BE 449771DA BE 449771 A BE449771 A BE 449771A
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE893387X | 1941-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE449771A true BE449771A (enrdf_load_html_response) |
Family
ID=6846711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE449771D BE449771A (enrdf_load_html_response) | 1941-07-10 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE449771A (enrdf_load_html_response) |
| FR (1) | FR893387A (enrdf_load_html_response) |
-
0
- BE BE449771D patent/BE449771A/xx unknown
-
1943
- 1943-04-08 FR FR893387D patent/FR893387A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR893387A (fr) | 1944-06-07 |