BE470236A - - Google Patents
Info
- Publication number
- BE470236A BE470236A BE470236DA BE470236A BE 470236 A BE470236 A BE 470236A BE 470236D A BE470236D A BE 470236DA BE 470236 A BE470236 A BE 470236A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US270408XA | 1946-01-22 | 1946-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE470236A true BE470236A (ja�@�@) |
Family
ID=21835343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE470236D BE470236A (ja�@�@) | 1946-01-22 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE470236A (ja�@�@) |
| CH (1) | CH270408A (ja�@�@) |
| DE (1) | DE844319C (ja�@�@) |
| FR (1) | FR941005A (ja�@�@) |
| GB (1) | GB655936A (ja�@�@) |
-
0
- BE BE470236D patent/BE470236A/xx unknown
-
1947
- 1947-01-02 GB GB160/47A patent/GB655936A/en not_active Expired
- 1947-01-09 FR FR941005D patent/FR941005A/fr not_active Expired
- 1947-01-22 CH CH270408D patent/CH270408A/fr unknown
-
1948
- 1948-12-31 DE DEP28869A patent/DE844319C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR941005A (fr) | 1948-12-30 |
| CH270408A (fr) | 1950-08-31 |
| DE844319C (de) | 1952-07-21 |
| GB655936A (en) | 1951-08-08 |