BE449724A - - Google Patents
Info
- Publication number
- BE449724A BE449724A BE449724DA BE449724A BE 449724 A BE449724 A BE 449724A BE 449724D A BE449724D A BE 449724DA BE 449724 A BE449724 A BE 449724A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/22—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation in accordance with variation of frequency of radiated wave
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL632078X | 1942-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE449724A true BE449724A (pt) |
Family
ID=19788762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE449724D BE449724A (pt) | 1942-03-20 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE449724A (pt) |
| FR (1) | FR892714A (pt) |
| GB (1) | GB632078A (pt) |
-
0
- BE BE449724D patent/BE449724A/xx unknown
-
1943
- 1943-03-19 FR FR892714D patent/FR892714A/fr not_active Expired
-
1946
- 1946-06-19 GB GB18438/46A patent/GB632078A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB632078A (en) | 1949-11-16 |
| FR892714A (fr) | 1944-05-17 |