BE456300A - - Google Patents
Info
- Publication number
- BE456300A BE456300A BE456300DA BE456300A BE 456300 A BE456300 A BE 456300A BE 456300D A BE456300D A BE 456300DA BE 456300 A BE456300 A BE 456300A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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 |
|---|---|---|---|
| FR876873X | 1943-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE456300A true BE456300A (zh) |
Family
ID=9360766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE456300D BE456300A (zh) | 1943-06-16 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE456300A (zh) |
| DE (1) | DE876873C (zh) |
| FR (1) | FR982405A (zh) |
| GB (1) | GB625980A (zh) |
| NL (1) | NL61973C (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2819452A (en) * | 1952-05-08 | 1958-01-07 | Itt | Microwave filters |
| US3697898A (en) * | 1970-05-08 | 1972-10-10 | Communications Satellite Corp | Plural cavity bandpass waveguide filter |
-
0
- BE BE456300D patent/BE456300A/xx unknown
- NL NL61973D patent/NL61973C/xx active
-
1943
- 1943-06-16 FR FR982405D patent/FR982405A/fr not_active Expired
-
1944
- 1944-06-17 DE DEC1863D patent/DE876873C/de not_active Expired
-
1946
- 1946-07-31 GB GB22865/46A patent/GB625980A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB625980A (en) | 1949-07-07 |
| DE876873C (de) | 1953-05-18 |
| FR982405A (fr) | 1951-06-11 |
| NL61973C (zh) |