BE471920A - - Google Patents
Info
- Publication number
- BE471920A BE471920A BE471920DA BE471920A BE 471920 A BE471920 A BE 471920A BE 471920D A BE471920D A BE 471920DA BE 471920 A BE471920 A BE 471920A
- 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)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US592441XA | 1941-09-05 | 1941-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE471920A true BE471920A (enrdf_load_html_response) |
Family
ID=22021731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE471920D BE471920A (enrdf_load_html_response) | 1941-09-05 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE471920A (enrdf_load_html_response) |
| FR (1) | FR944935A (enrdf_load_html_response) |
| GB (1) | GB592441A (enrdf_load_html_response) |
-
0
- BE BE471920D patent/BE471920A/xx unknown
-
1944
- 1944-06-30 GB GB12545/44A patent/GB592441A/en not_active Expired
-
1947
- 1947-04-09 FR FR944935D patent/FR944935A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR944935A (fr) | 1949-04-20 |
| GB592441A (en) | 1947-09-18 |