BE478972A - - Google Patents
Info
- Publication number
- BE478972A BE478972A BE478972DA BE478972A BE 478972 A BE478972 A BE 478972A BE 478972D A BE478972D A BE 478972DA BE 478972 A BE478972 A BE 478972A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/04—Coupling devices of the waveguide type with variable factor of coupling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB267014X | 1944-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE478972A true BE478972A (ja�@�@) |
Family
ID=10247850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE478972D BE478972A (ja�@�@) | 1944-04-20 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE478972A (ja�@�@) |
| CH (1) | CH267014A (ja�@�@) |
| FR (1) | FR958130A (ja�@�@) |
-
0
- FR FR958130D patent/FR958130A/fr not_active Expired
- BE BE478972D patent/BE478972A/xx unknown
-
1948
- 1948-01-08 CH CH267014D patent/CH267014A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH267014A (de) | 1950-02-28 |
| FR958130A (ja�@�@) | 1950-03-03 |