DE2257248C3 - - Google Patents
Info
- Publication number
- DE2257248C3 DE2257248C3 DE19722257248 DE2257248A DE2257248C3 DE 2257248 C3 DE2257248 C3 DE 2257248C3 DE 19722257248 DE19722257248 DE 19722257248 DE 2257248 A DE2257248 A DE 2257248A DE 2257248 C3 DE2257248 C3 DE 2257248C3
- Authority
- DE
- Germany
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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 |
---|---|---|---|
GB5453871A GB1356317A (en) | 1971-11-24 | 1971-11-24 | Wave-guide couplers |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2257248A1 DE2257248A1 (de) | 1973-05-30 |
DE2257248B2 DE2257248B2 (de) | 1975-01-23 |
DE2257248C3 true DE2257248C3 (de) | 1975-09-04 |
Family
ID=10471346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19722257248 Granted DE2257248B2 (de) | 1971-11-24 | 1972-11-22 | In Gegenrichtung arbeitender Wellenleiterkoppler |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU466950B2 (de) |
DE (1) | DE2257248B2 (de) |
FR (1) | FR2161091B1 (de) |
GB (1) | GB1356317A (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4812790A (en) * | 1988-02-16 | 1989-03-14 | Hughes Aircraft Company | Toothed coupling iris |
FR2760899B1 (fr) * | 1997-03-13 | 1999-05-28 | Oritel | Coupleur hyperfrequence a structure plane |
US10181630B2 (en) | 2016-08-08 | 2019-01-15 | Rohde & Schwarz Gmbh & Co. Kg | Directional coupler and a combiner |
CN107134627A (zh) * | 2017-06-08 | 2017-09-05 | 中北大学 | 多菱形孔耦合型波导定向耦合器 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2731602A (en) * | 1946-01-10 | 1956-01-17 | Julian S Schwinger | Directional coupler |
US3112460A (en) * | 1960-12-29 | 1963-11-26 | Bell Telephone Labor Inc | Electromagnetic wave devices |
US3500251A (en) * | 1967-09-12 | 1970-03-10 | Chain Lakes Res Assoc | Wide band log periodic slot rf switch |
-
1971
- 1971-11-24 GB GB5453871A patent/GB1356317A/en not_active Expired
-
1972
- 1972-11-20 AU AU49030/72A patent/AU466950B2/en not_active Expired
- 1972-11-22 DE DE19722257248 patent/DE2257248B2/de active Granted
- 1972-11-24 FR FR7241930A patent/FR2161091B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU466950B2 (en) | 1975-11-13 |
GB1356317A (en) | 1974-06-12 |
DE2257248B2 (de) | 1975-01-23 |
AU4903072A (en) | 1974-05-23 |
DE2257248A1 (de) | 1973-05-30 |
FR2161091B1 (de) | 1977-01-14 |
FR2161091A1 (de) | 1973-07-06 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
E77 | Valid patent as to the heymanns-index 1977 | ||
8339 | Ceased/non-payment of the annual fee |