BE509967A - - Google Patents
Info
- Publication number
- BE509967A BE509967A BE509967DA BE509967A BE 509967 A BE509967 A BE 509967A BE 509967D A BE509967D A BE 509967DA BE 509967 A BE509967 A BE 509967A
- 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
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
- H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
- H01P5/181—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being hollow waveguides
- H01P5/182—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being hollow waveguides the waveguides being arranged in parallel
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US216132A US2701340A (en) | 1951-03-17 | 1951-03-17 | High-frequency directional coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE509967A true BE509967A (is) |
Family
ID=22805835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE509967D BE509967A (is) | 1951-03-17 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2701340A (is) |
| BE (1) | BE509967A (is) |
| DE (1) | DE972754C (is) |
| FR (1) | FR1048672A (is) |
| GB (1) | GB706234A (is) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3125731A (en) * | 1964-03-17 | Cross guide coupler having a coupling aperture bridged | ||
| US2813254A (en) * | 1952-05-23 | 1957-11-12 | Robert D Hatcher | Broad band maching hybrid waveguide |
| US2876421A (en) * | 1954-07-06 | 1959-03-03 | Henry J Riblet | Microwave hybrid junctions |
| DE1028177B (de) * | 1956-08-29 | 1958-04-17 | Siemens Ag | UEbertragungsanordnung fuer sehr kurze elektromagnetische Wellen |
| US2975381A (en) * | 1957-02-21 | 1961-03-14 | Raytheon Co | Duplexers |
| US3255456A (en) * | 1963-03-08 | 1966-06-07 | Hazeltine Research Inc | H-plane reflex bend for a two layer pillbox antenna utilizing a plurality of holes to couple the layers |
| US3535659A (en) * | 1968-03-11 | 1970-10-20 | Edward Salzberg | Waveguide hybrid junctions |
| US3737810A (en) * | 1969-05-05 | 1973-06-05 | Radiation Systems Inc | Wideband tem components |
| CN103078164B (zh) * | 2013-01-31 | 2015-07-29 | 成都赛纳赛德科技有限公司 | 紧凑型单排长孔定向耦合器 |
| US9780834B2 (en) * | 2014-10-21 | 2017-10-03 | At&T Intellectual Property I, L.P. | Method and apparatus for transmitting electromagnetic waves |
| EP3333968B1 (en) * | 2016-12-12 | 2022-10-05 | European Space Agency (ESA) | A directional coupler and a method of manufacturing thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2199221A (en) * | 1938-08-20 | 1940-04-30 | Bell Telephone Labor Inc | Wave filter |
| US2423526A (en) * | 1944-03-30 | 1947-07-08 | Rca Corp | Reflectometer for waveguide transmission lines |
| US2566386A (en) * | 1944-10-24 | 1951-09-04 | Univ Leland Stanford Junior | Frequency and direction selective high-frequency transmission line apparatus |
| US2531777A (en) * | 1945-10-24 | 1950-11-28 | John N Marshall | Variable directive coupler |
| US2575571A (en) * | 1947-05-13 | 1951-11-20 | Hazeltine Research Inc | Wave-signal directional coupler |
| US2532317A (en) * | 1947-08-25 | 1950-12-05 | Sperry Corp | Ultra high frequency coupler |
| US2560806A (en) * | 1948-03-05 | 1951-07-17 | Bell Telephone Labor Inc | Echo suppression in transmission lines |
| US2568090A (en) * | 1948-06-22 | 1951-09-18 | Raytheon Mfg Co | Balanced mixer |
-
0
- BE BE509967D patent/BE509967A/xx unknown
-
1951
- 1951-03-17 US US216132A patent/US2701340A/en not_active Expired - Lifetime
- 1951-10-26 FR FR1048672D patent/FR1048672A/fr not_active Expired
- 1951-12-22 DE DEW7494A patent/DE972754C/de not_active Expired
-
1952
- 1952-03-14 GB GB6665/52A patent/GB706234A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1048672A (fr) | 1953-12-23 |
| GB706234A (en) | 1954-03-24 |
| DE972754C (de) | 1959-09-17 |
| US2701340A (en) | 1955-02-01 |