BE490449A - - Google Patents
Info
- Publication number
- BE490449A BE490449A BE490449DA BE490449A BE 490449 A BE490449 A BE 490449A BE 490449D A BE490449D A BE 490449DA BE 490449 A BE490449 A BE 490449A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/02—Coupling devices of the waveguide type with invariable factor of coupling
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB31036/36A GB490449A (en) | 1936-11-13 | 1936-11-13 | Improvements in or relating to electrical high frequency signalling systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE490449A true BE490449A (fr) |
Family
ID=10316973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE490449D BE490449A (fr) | 1936-11-13 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2195717A (fr) |
| BE (1) | BE490449A (fr) |
| FR (1) | FR829280A (fr) |
| GB (1) | GB490449A (fr) |
| NL (1) | NL149432C (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE752924C (de) * | 1939-04-04 | 1953-02-23 | Telefunken Gmbh | Breitbandantenne |
| DE969386C (de) * | 1941-01-01 | 1958-05-29 | Pintsch Bamag Ag | Frequenzabhaengiger Blindwiderstand fuer ultrakurze Wellen |
| US2446982A (en) * | 1943-02-08 | 1948-08-10 | Us Navy | Apparatus for broad-band radio transmission |
| US2541836A (en) * | 1943-03-11 | 1951-02-13 | Winfield W Salisbury | Inner conductor joint for coaxial lines |
| US2434509A (en) * | 1943-06-19 | 1948-01-13 | Westinghouse Electric Corp | Ultra high frequency conductor |
| US2428485A (en) * | 1943-06-30 | 1947-10-07 | Rca Corp | Impedance matching device |
| US2593474A (en) * | 1944-10-03 | 1952-04-22 | Us Sec War | Antenna matching section |
| US2477635A (en) * | 1944-11-25 | 1949-08-02 | Standard Telephones Cables Ltd | High-frequency switch |
| US2677808A (en) * | 1946-04-11 | 1954-05-04 | Us Navy | Power monitor |
| US2743422A (en) * | 1952-02-20 | 1956-04-24 | Sperry Rand Corp | Coaxial stub supports |
-
0
- BE BE490449D patent/BE490449A/xx unknown
- NL NL149432D patent/NL149432C/xx active
-
1936
- 1936-11-13 GB GB31036/36A patent/GB490449A/en not_active Expired
-
1937
- 1937-10-30 US US171826A patent/US2195717A/en not_active Expired - Lifetime
- 1937-11-13 FR FR829280D patent/FR829280A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2195717A (en) | 1940-04-02 |
| FR829280A (fr) | 1938-06-17 |
| GB490449A (en) | 1938-08-15 |
| NL149432C (fr) |