FR2448229B1 - - Google Patents
Info
- Publication number
- FR2448229B1 FR2448229B1 FR8002196A FR8002196A FR2448229B1 FR 2448229 B1 FR2448229 B1 FR 2448229B1 FR 8002196 A FR8002196 A FR 8002196A FR 8002196 A FR8002196 A FR 8002196A FR 2448229 B1 FR2448229 B1 FR 2448229B1
- Authority
- FR
- France
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2904054A DE2904054C2 (de) | 1979-02-02 | 1979-02-02 | 3dB-Richtungskoppler in Hohlleiterbauweise |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2448229A1 FR2448229A1 (fr) | 1980-08-29 |
| FR2448229B1 true FR2448229B1 (US20100170793A1-20100708-C00006.png) | 1982-12-10 |
Family
ID=6062043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8002196A Granted FR2448229A1 (fr) | 1979-02-02 | 1980-02-01 | Coupleur directionnel a 3 db de type guide d'ondes |
Country Status (4)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2675636B1 (fr) * | 1991-04-19 | 1998-06-05 | Thomson Tubes Electroniques | Coupleur directionnel sur coude a miroir pour ondes hyperfrequence. |
| DE19716290A1 (de) * | 1997-04-18 | 1998-10-29 | Bosch Gmbh Robert | Richtkoppler |
| US6707349B1 (en) * | 2002-09-06 | 2004-03-16 | Industrial Technology Research Institute | Directional coupler for microwave cavities |
| JP5674904B1 (ja) * | 2013-11-15 | 2015-02-25 | 株式会社フジクラ | 分配回路及びアレイアンテナ |
| RU184242U1 (ru) * | 2018-07-31 | 2018-10-18 | Акционерное общество "Научно-исследовательский институт Приборостроения имени В.В. Тихомирова" | Волноводный щелевой мост |
| KR102577948B1 (ko) | 2018-11-14 | 2023-09-14 | 옵티시스 인코포레이티드 | 불규칙 육각형 단면을 가지는 중공의 금속 도파관 및 이를 제조하는 방법 |
| US11996600B2 (en) | 2018-11-14 | 2024-05-28 | Optisys, Inc. | Hollow metal waveguides having irregular hexagonal cross sections with specified interior angles |
| EP3884541A4 (en) * | 2018-11-19 | 2022-08-24 | Optisys, LLC | IRREGULAR HEXAGONAL CROSS-SECTION HOLLOW METALLIC WAVEGUIDE FILTERS |
| WO2022241483A2 (en) | 2021-05-14 | 2022-11-17 | Optisys, Inc. | Planar monolithic combiner and multiplexer for antenna arrays |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2562281A (en) * | 1944-06-14 | 1951-07-31 | Bell Telephone Labor Inc | Directive pickup for transmission lines |
| US2519734A (en) * | 1945-04-24 | 1950-08-22 | Hans A Bethe | Directional coupler |
| US2558385A (en) * | 1946-01-07 | 1951-06-26 | Edward M Purcell | Branch guide coupler |
| US2876421A (en) * | 1954-07-06 | 1959-03-03 | Henry J Riblet | Microwave hybrid junctions |
| US2866166A (en) * | 1955-04-08 | 1958-12-23 | Gen Precision Lab Inc | Microwave power divider |
| NL206462A (US20100170793A1-20100708-C00006.png) * | 1956-04-19 | |||
| DE1092526B (de) * | 1959-08-21 | 1960-11-10 | Wolfgang Hassenpflug Dipl Ing | Richtungskoppler fuer die H-Welle im rechteckigen Hohlleiter |
| US3098983A (en) * | 1960-06-29 | 1963-07-23 | Merrimac Res And Dev Inc | Wideband microwave hybrid |
| US3999151A (en) * | 1975-09-08 | 1976-12-21 | Western Electric Company, Inc. | Crossguide hybrid coupler and a commutating hybrid using same to form a channel branching network |
-
1979
- 1979-02-02 DE DE2904054A patent/DE2904054C2/de not_active Expired
-
1980
- 1980-01-29 GB GB8002906A patent/GB2045007B/en not_active Expired
- 1980-02-01 FR FR8002196A patent/FR2448229A1/fr active Granted
- 1980-02-01 US US06/117,472 patent/US4297658A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2904054C2 (de) | 1983-02-03 |
| US4297658A (en) | 1981-10-27 |
| GB2045007A (en) | 1980-10-22 |
| DE2904054A1 (de) | 1980-08-07 |
| FR2448229A1 (fr) | 1980-08-29 |
| GB2045007B (en) | 1983-09-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |