BE445530A - - Google Patents
Info
- Publication number
- BE445530A BE445530A BE445530DA BE445530A BE 445530 A BE445530 A BE 445530A BE 445530D A BE445530D A BE 445530DA BE 445530 A BE445530 A BE 445530A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/10—Polarisation diversity; Directional diversity
-
- 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)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE235061X | 1941-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE445530A true BE445530A (enrdf_load_html_response) |
Family
ID=5894903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE445530D BE445530A (enrdf_load_html_response) | 1941-05-17 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE445530A (enrdf_load_html_response) |
| CH (1) | CH235061A (enrdf_load_html_response) |
| FR (1) | FR881520A (enrdf_load_html_response) |
| NL (1) | NL60556C (enrdf_load_html_response) |
-
0
- BE BE445530D patent/BE445530A/xx unknown
- NL NL60556D patent/NL60556C/xx active
-
1942
- 1942-03-24 CH CH235061D patent/CH235061A/de unknown
- 1942-04-24 FR FR881520D patent/FR881520A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL60556C (enrdf_load_html_response) | |
| FR881520A (fr) | 1943-04-28 |
| CH235061A (de) | 1944-11-15 |