BE404169A - - Google Patents
Info
- Publication number
- BE404169A BE404169A BE404169DA BE404169A BE 404169 A BE404169 A BE 404169A BE 404169D A BE404169D A BE 404169DA BE 404169 A BE404169 A BE 404169A
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Near-Field Transmission Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB20725/33A GB422929A (en) | 1933-07-22 | 1933-07-22 | Improvements in or relating to radio communication systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE404169A true BE404169A (ja�@�@) |
Family
ID=10150621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE404169D BE404169A (ja�@�@) | 1933-07-22 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2082825A (ja�@�@) |
| BE (1) | BE404169A (ja�@�@) |
| DE (1) | DE634975C (ja�@�@) |
| FR (1) | FR775773A (ja�@�@) |
| GB (1) | GB422929A (ja�@�@) |
-
0
- BE BE404169D patent/BE404169A/xx unknown
-
1933
- 1933-07-22 GB GB20725/33A patent/GB422929A/en not_active Expired
-
1934
- 1934-07-12 FR FR775773D patent/FR775773A/fr not_active Expired
- 1934-07-20 DE DEM128114D patent/DE634975C/de not_active Expired
- 1934-07-23 US US736586A patent/US2082825A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE634975C (de) | 1936-09-07 |
| GB422929A (en) | 1935-01-22 |
| FR775773A (fr) | 1935-01-09 |
| US2082825A (en) | 1937-06-08 |