IT1058935B - Scambio di sistema per doppia utilizzazione della frequenza - Google Patents
Scambio di sistema per doppia utilizzazione della frequenzaInfo
- Publication number
- IT1058935B IT1058935B IT21853/76A IT2185376A IT1058935B IT 1058935 B IT1058935 B IT 1058935B IT 21853/76 A IT21853/76 A IT 21853/76A IT 2185376 A IT2185376 A IT 2185376A IT 1058935 B IT1058935 B IT 1058935B
- Authority
- IT
- Italy
- Prior art keywords
- frequency
- double use
- system exchange
- exchange
- double
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
- H01P1/161—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion sustaining two independent orthogonal modes, e.g. orthomode transducer
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE752517383A DE2517383C3 (de) | 1975-04-19 | 1975-04-19 | Systemweiche für Frequenzdoppelausnutzung |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1058935B true IT1058935B (it) | 1982-05-10 |
Family
ID=5944466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21853/76A IT1058935B (it) | 1975-04-19 | 1976-04-01 | Scambio di sistema per doppia utilizzazione della frequenza |
Country Status (8)
Country | Link |
---|---|
US (1) | US4047128A (it) |
JP (1) | JPS5937602B2 (it) |
AT (1) | AT352786B (it) |
CH (1) | CH604385A5 (it) |
DE (1) | DE2517383C3 (it) |
FR (1) | FR2308214A1 (it) |
GB (1) | GB1548189A (it) |
IT (1) | IT1058935B (it) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2703878A1 (de) * | 1977-01-31 | 1978-08-03 | Siemens Ag | Polarisationsweiche |
DE2719283C2 (de) * | 1977-04-29 | 1984-02-02 | Siemens AG, 1000 Berlin und 8000 München | Antennenspeisesystem für Doppelpolarisation |
US4176330A (en) * | 1977-12-23 | 1979-11-27 | Gte Sylvania Incorporated | Diplexer apparatus |
US4162463A (en) * | 1977-12-23 | 1979-07-24 | Gte Sylvania Incorporated | Diplexer apparatus |
US4167715A (en) * | 1978-06-22 | 1979-09-11 | Bell Telephone Laboratories, Incorporated | Wideband polarization coupler |
US4228410A (en) * | 1979-01-19 | 1980-10-14 | Ford Aerospace & Communications Corp. | Microwave circular polarizer |
US4344048A (en) * | 1979-08-11 | 1982-08-10 | Licentia Patent-Verwaltungs-G.M.B.H | Four-port network for separating two signals comprised of doubly polarized frequency bands |
US4420756A (en) * | 1981-01-19 | 1983-12-13 | Trw Inc. | Multi-mode tracking antenna feed system |
JPS57154901A (en) * | 1981-03-19 | 1982-09-24 | Mitsubishi Electric Corp | Cross waveguide type polarized branching filter |
US4467294A (en) * | 1981-12-17 | 1984-08-21 | Vitalink Communications Corporation | Waveguide apparatus and method for dual polarized and dual frequency signals |
IT1149770B (it) * | 1982-02-25 | 1986-12-10 | Italtel Spa | Circuito per separare due bande di frequenze per segnali ad altissima frequenza in doppia polarizzazione |
IT1155664B (it) * | 1982-03-25 | 1987-01-28 | Sip | Dispositivo di guida d onda per la separazione di segnali a radiofrequenza di diversa frequenza e polarizzazione |
DE3216708A1 (de) * | 1982-05-05 | 1984-02-09 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren zur gewinnung von antennennachfuehrsignalen |
US4491810A (en) * | 1983-01-28 | 1985-01-01 | Andrew Corporation | Multi-port, multi-frequency microwave combiner with overmoded square waveguide section |
DE3406641A1 (de) * | 1984-02-24 | 1985-08-29 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Zweiband-polarisationsweiche |
YU201586A (en) * | 1985-12-06 | 1988-12-31 | Siemens Ag | Assembly for transmitting directed radio relay signals in two or more radio relay frequency bands |
FR2593644B1 (fr) * | 1986-01-28 | 1988-03-11 | Alcatel Espace | Dispositif duplexeur de polarisation et de frequences a trois acces. |
US4912436A (en) * | 1987-06-15 | 1990-03-27 | Gamma-F Corporation | Four port dual polarization frequency diplexer |
DE3840450A1 (de) * | 1988-12-01 | 1990-06-07 | Telefunken Systemtechnik | Modenkoppler fuer monopulsanwendungen |
US4970480A (en) * | 1989-06-09 | 1990-11-13 | Hughes Aircraft Company | Microwave diplexer |
US5216433A (en) * | 1991-11-15 | 1993-06-01 | Hughes Aircraft Company | Polarimetric antenna |
DE19734854A1 (de) * | 1997-08-12 | 1999-02-18 | Alsthom Cge Alcatel | Polarisationsweiche für zwei unterschiedliche Frequenzbänder |
DE19735547A1 (de) * | 1997-08-16 | 1999-02-18 | Alsthom Cge Alcatel | Polarisationsweiche für zwei unterschiedliche Frequenzbänder |
JP3688558B2 (ja) * | 2000-06-05 | 2005-08-31 | 三菱電機株式会社 | 導波管群分波器 |
US6600387B2 (en) * | 2001-04-17 | 2003-07-29 | Channel Master Llc | Multi-port multi-band transceiver interface assembly |
US6566976B2 (en) * | 2001-06-12 | 2003-05-20 | Northrop Grumman Corporation | Symmetric orthomode coupler for cellular application |
US6496084B1 (en) | 2001-08-09 | 2002-12-17 | Andrew Corporation | Split ortho-mode transducer with high isolation between ports |
JP3879548B2 (ja) * | 2002-03-20 | 2007-02-14 | 三菱電機株式会社 | 導波管形偏分波器 |
US7397323B2 (en) * | 2006-07-12 | 2008-07-08 | Wide Sky Technology, Inc. | Orthomode transducer |
ES2362761B1 (es) * | 2009-04-28 | 2012-05-23 | Ferox Comunications, S.L. | Multiplexor de polarización cruzada. |
WO2011153606A1 (en) | 2010-06-08 | 2011-12-15 | National Research Council Of Canada | Orthomode transducer |
EP2815454A2 (en) * | 2012-02-17 | 2014-12-24 | Pro Brand International (Europe) Limited | Multiband data signal receiving and/or transmitting apparatus |
DE102013011651A1 (de) * | 2013-07-11 | 2015-01-15 | ESA-microwave service GmbH | Antennen-Speisesystem im Mikrowellenbereich für Reflektorantennen |
EP3595082B8 (en) * | 2018-07-10 | 2020-11-04 | Rohde & Schwarz GmbH & Co. KG | Integrated device and manufacturing method thereof |
IT202000007681A1 (it) * | 2020-04-09 | 2021-10-09 | Picosats S R L | Trasduttore ortomodo per antenna e antenna per satelliti |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2961618A (en) * | 1957-06-12 | 1960-11-22 | Bell Telephone Labor Inc | Selective mode transducer |
GB887574A (en) * | 1960-01-22 | 1962-01-17 | Standard Telephones Cables Ltd | Improvements in or relating to electric wave filters |
US3566309A (en) * | 1969-02-24 | 1971-02-23 | Hughes Aircraft Co | Dual frequency band,polarization diverse tracking feed system for a horn antenna |
FR2182728B1 (it) * | 1972-05-05 | 1977-03-18 | Thomson Csf | |
US3731236A (en) * | 1972-08-17 | 1973-05-01 | Gte Sylvania Inc | Independently adjustable dual polarized diplexer |
-
1975
- 1975-04-19 DE DE752517383A patent/DE2517383C3/de not_active Expired
-
1976
- 1976-03-30 CH CH397476A patent/CH604385A5/xx not_active IP Right Cessation
- 1976-04-01 IT IT21853/76A patent/IT1058935B/it active
- 1976-04-14 AT AT273876A patent/AT352786B/de not_active IP Right Cessation
- 1976-04-15 GB GB15572/76A patent/GB1548189A/en not_active Expired
- 1976-04-16 FR FR7611470A patent/FR2308214A1/fr active Granted
- 1976-04-16 JP JP51043476A patent/JPS5937602B2/ja not_active Expired
- 1976-04-19 US US05/678,387 patent/US4047128A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AT352786B (de) | 1979-10-10 |
GB1548189A (en) | 1979-07-04 |
DE2517383C3 (de) | 1979-03-01 |
CH604385A5 (it) | 1978-09-15 |
US4047128A (en) | 1977-09-06 |
ATA273876A (de) | 1979-03-15 |
DE2517383B2 (de) | 1978-06-15 |
FR2308214B1 (it) | 1980-05-09 |
DE2517383A1 (de) | 1976-10-21 |
FR2308214A1 (fr) | 1976-11-12 |
JPS5937602B2 (ja) | 1984-09-11 |
JPS51128246A (en) | 1976-11-09 |
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