EP0898323A3 - Polarisationsweiche für zwei unterschiedliche Frequenzbänder - Google Patents
Polarisationsweiche für zwei unterschiedliche Frequenzbänder Download PDFInfo
- Publication number
- EP0898323A3 EP0898323A3 EP98401839A EP98401839A EP0898323A3 EP 0898323 A3 EP0898323 A3 EP 0898323A3 EP 98401839 A EP98401839 A EP 98401839A EP 98401839 A EP98401839 A EP 98401839A EP 0898323 A3 EP0898323 A3 EP 0898323A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- waveguide
- section
- same
- flat
- rectangular cross
- Prior art date
- 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.)
- Withdrawn
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
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
- H01P1/2131—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies with combining or separating polarisations
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
- Waveguide Aerials (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19735547A DE19735547A1 (de) | 1997-08-16 | 1997-08-16 | Polarisationsweiche für zwei unterschiedliche Frequenzbänder |
DE19735547 | 1997-08-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0898323A2 EP0898323A2 (de) | 1999-02-24 |
EP0898323A3 true EP0898323A3 (de) | 2000-04-05 |
Family
ID=7839166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98401839A Withdrawn EP0898323A3 (de) | 1997-08-16 | 1998-07-20 | Polarisationsweiche für zwei unterschiedliche Frequenzbänder |
Country Status (5)
Country | Link |
---|---|
US (1) | US6150899A (de) |
EP (1) | EP0898323A3 (de) |
AU (1) | AU742126B2 (de) |
BR (1) | BR9803749A (de) |
DE (1) | DE19735547A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3908071B2 (ja) * | 2002-04-02 | 2007-04-25 | 三菱電機株式会社 | ロータリージョイント |
ES2362761B1 (es) * | 2009-04-28 | 2012-05-23 | Ferox Comunications, S.L. | Multiplexor de polarización cruzada. |
US8334815B2 (en) * | 2009-07-20 | 2012-12-18 | Kvh Industries, Inc. | Multi-feed antenna system for satellite communications |
US10840605B2 (en) * | 2017-12-20 | 2020-11-17 | Optisys, LLC | Integrated linearly polarized tracking antenna array |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0096461A2 (de) * | 1982-06-04 | 1983-12-21 | Andrew A.G. | Mikrowellensysteme |
US4956622A (en) * | 1986-05-29 | 1990-09-11 | National Research Development Corporation | Waveguide H-plane junctions |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3274604A (en) * | 1958-12-12 | 1966-09-20 | Bernard L Lewis | Multi-mode simultaneous lobing antenna |
DE2517383C3 (de) * | 1975-04-19 | 1979-03-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Systemweiche für Frequenzdoppelausnutzung |
US4467294A (en) * | 1981-12-17 | 1984-08-21 | Vitalink Communications Corporation | Waveguide apparatus and method for dual polarized and dual frequency signals |
JPS59131201A (ja) * | 1983-08-04 | 1984-07-28 | Nec Corp | 広帯域モ−ド変換器 |
FR2593644B1 (fr) * | 1986-01-28 | 1988-03-11 | Alcatel Espace | Dispositif duplexeur de polarisation et de frequences a trois acces. |
GB2188493A (en) * | 1986-03-27 | 1987-09-30 | Era Patents Ltd | Orthogonal mode transducer |
-
1997
- 1997-08-16 DE DE19735547A patent/DE19735547A1/de not_active Withdrawn
-
1998
- 1998-07-20 EP EP98401839A patent/EP0898323A3/de not_active Withdrawn
- 1998-08-06 US US09/129,962 patent/US6150899A/en not_active Expired - Fee Related
- 1998-08-12 AU AU79897/98A patent/AU742126B2/en not_active Ceased
- 1998-08-14 BR BR9803749-8A patent/BR9803749A/pt not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0096461A2 (de) * | 1982-06-04 | 1983-12-21 | Andrew A.G. | Mikrowellensysteme |
US4956622A (en) * | 1986-05-29 | 1990-09-11 | National Research Development Corporation | Waveguide H-plane junctions |
Non-Patent Citations (3)
Title |
---|
BOIFOT A M: "CLASSIFICATION OF ORTHO-MODE TRANSDUCERS", EUROPEAN TRANSACTIONS ON TELECOMMUNICATIONS AND RELATED TECHNOLOGIES,IT,AEI, MILANO, vol. 2, no. 5, pages 35-42, XP000266379, ISSN: 1120-3862 * |
DAS B N ET AL: "A RIGOROUS VARIATIONAL FORMULATION OF AN H PLANE SLOT-COUPLED TEE JUNCTION", IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES,US,IEEE INC. NEW YORK, vol. 38, no. 1, pages 93-95, XP000142212, ISSN: 0018-9480 * |
MA Z ET AL: "EFFICIENT CHARACTERIZATION OF COMPLEX H-PLANE WAVEGUIDE PI-JUNCTIONAND CROSS-JUNCTIONS", IEICE TRANSACTIONS ON ELECTRONICS,JP,INSTITUTE OF ELECTRONICS INFORMATION AND COMM. ENG. TOKYO, vol. E79-C, no. 3, pages 444-452, XP000594520, ISSN: 0916-8524 * |
Also Published As
Publication number | Publication date |
---|---|
DE19735547A1 (de) | 1999-02-18 |
AU742126B2 (en) | 2001-12-20 |
BR9803749A (pt) | 1999-12-21 |
AU7989798A (en) | 1999-02-25 |
US6150899A (en) | 2000-11-21 |
EP0898323A2 (de) | 1999-02-24 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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STAA | Information on the status of an ep patent application or granted ep patent |
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18D | Application deemed to be withdrawn |
Effective date: 20050111 |