IT1149770B - Circuito per separare due bande di frequenze per segnali ad altissima frequenza in doppia polarizzazione - Google Patents
Circuito per separare due bande di frequenze per segnali ad altissima frequenza in doppia polarizzazioneInfo
- Publication number
- IT1149770B IT1149770B IT19845/82A IT1984582A IT1149770B IT 1149770 B IT1149770 B IT 1149770B IT 19845/82 A IT19845/82 A IT 19845/82A IT 1984582 A IT1984582 A IT 1984582A IT 1149770 B IT1149770 B IT 1149770B
- Authority
- IT
- Italy
- Prior art keywords
- bands
- frequencies
- separate
- circuit
- polarization signals
- 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
- H01P1/20—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
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT19845/82A IT1149770B (it) | 1982-02-25 | 1982-02-25 | Circuito per separare due bande di frequenze per segnali ad altissima frequenza in doppia polarizzazione |
US06/469,141 US4520329A (en) | 1982-02-25 | 1983-02-23 | Circuit component for separating and/or combining two isofrequential but differently polarized pairs of signal waves lying in different high-frequency bands |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT19845/82A IT1149770B (it) | 1982-02-25 | 1982-02-25 | Circuito per separare due bande di frequenze per segnali ad altissima frequenza in doppia polarizzazione |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8219845A0 IT8219845A0 (it) | 1982-02-25 |
IT1149770B true IT1149770B (it) | 1986-12-10 |
Family
ID=11161753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19845/82A IT1149770B (it) | 1982-02-25 | 1982-02-25 | Circuito per separare due bande di frequenze per segnali ad altissima frequenza in doppia polarizzazione |
Country Status (2)
Country | Link |
---|---|
US (1) | US4520329A (it) |
IT (1) | IT1149770B (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR8305993A (pt) * | 1983-10-25 | 1985-06-04 | Brasilia Telecom | Aciplador direcional usando guia corrugado para separacao de duas faixas de frequencias mantendo as caracteristicas de polarizacao |
BR8307286A (pt) * | 1983-12-27 | 1985-08-06 | Brasilia Telecom | Transicao entre guia liso e corrugado,para operacao em duas faixas de frequencias distintas |
DE3675235D1 (de) * | 1985-03-27 | 1990-12-06 | Siemens Ag | Polaristationsweiche fuer einrichtungen der hoechstfreqenztechnik. |
US4704589A (en) * | 1986-05-27 | 1987-11-03 | The United States Of America As Represented By The United States Department Of Energy | Compact waveguide power divider with multiple isolated outputs |
US4841260A (en) * | 1987-01-14 | 1989-06-20 | Epsco, Incorporated | Half wave plate |
US4897623A (en) * | 1988-04-13 | 1990-01-30 | The United States Of America As Represented By The Secretary Of The Navy | Non-contacting printed circuit waveguide elements |
US5196812A (en) * | 1991-06-27 | 1993-03-23 | Hughes Aircraft Company | Compact n-way waveguide power divider |
FR2703189B1 (fr) * | 1993-03-23 | 1995-05-24 | Sat | Ligne guide d'ondes. |
US5877660A (en) * | 1994-06-02 | 1999-03-02 | Nihon Dengyo Kosaku Co., Ltd. | Phase shifting device with rotatable cylindrical case having driver means on the end walls |
DE69521024T2 (de) * | 1994-09-06 | 2001-10-25 | Uniphase Opto Holdings Inc | Optoelektronische halbleitervorrichtung mit einer halbleiter-laserdiode |
SE508356C2 (sv) * | 1997-02-24 | 1998-09-28 | Ericsson Telefon Ab L M | Antennanordningar |
FR2929796B1 (fr) * | 2008-04-02 | 2014-09-26 | Centre Nat Etd Spatiales | Coupleur pour systeme radio frequences multibandes. |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE554200A (it) * | 1956-04-28 | |||
US3838362A (en) * | 1973-06-29 | 1974-09-24 | Emerson Electric Co | Diplexing coupler for microwave system |
JPS5844801B2 (ja) * | 1974-03-18 | 1983-10-05 | 日本国有鉄道 | キユウコウセイセメントアスフアルトグラウトオモチイタ テンジユウドウシヨウキドウセコウホウ |
DE2517383C3 (de) * | 1975-04-19 | 1979-03-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Systemweiche für Frequenzdoppelausnutzung |
US4030048A (en) * | 1976-07-06 | 1977-06-14 | Rca Corporation | Multimode coupling system including a funnel-shaped multimode coupler |
JPS6017162B2 (ja) * | 1978-01-19 | 1985-05-01 | 日本電気株式会社 | 導波管型マルチプレクサ |
-
1982
- 1982-02-25 IT IT19845/82A patent/IT1149770B/it active
-
1983
- 1983-02-23 US US06/469,141 patent/US4520329A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
IT8219845A0 (it) | 1982-02-25 |
US4520329A (en) | 1985-05-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT8449064A1 (it) | Accoppiatore direzionale per separare segnali in due bande di frequenza conservano le loro caratteristiche di polarizzazione | |
FI791043A (fi) | Foerfarande foer framstaellning av film av etylenkolvaetekopolymer | |
FI830638L (fi) | Foerfarande foer framstaellning av glykoproteiner | |
IT1149770B (it) | Circuito per separare due bande di frequenze per segnali ad altissima frequenza in doppia polarizzazione | |
FI834771A0 (fi) | Kristalliserade kefem-syraadditionssalter och foerfarande foer deras framstaellning | |
FI833521A0 (fi) | Oeppenmaskigt till band bundet tyg | |
JPS54129961A (en) | Frequency dividing circuit | |
JPS5773536A (en) | Both polarized wave multiplexer | |
ES521229A0 (es) | Aparato para identificar senales digitales de frecuencias multiples. | |
SE8300056L (sv) | Sett att detektera multifrekvens-ljudkodsignaler | |
FI793095A (fi) | Foerfarande foer framstaellning av 2-klorsulfinylazetidinoner | |
NO831519L (no) | Frysing av groennsaker | |
IT1137411B (it) | Circuito per segnali ad altissima frequenza comprendente almeno una microstriscia | |
AT383448B (de) | Rueckfuehrungsstabilisierte zwischenfrequenzverst|rkerschaltung fuer fernsehzwecke | |
IT1129143B (it) | Circuito di sintonia | |
ES490191A0 (es) | Procedimiento para la precipitacion cristalina de cromogenos | |
FI802535A (fi) | Foerfarande foer framstaellning av 10-halogen-e-homo-eburnaner | |
FI832605A (fi) | Foerfarande foer framstaellning av kristallint natriumkefoperazon | |
JPS5651101A (en) | System branching filter for isolating two signals having two double linear polarized wave frequency bands | |
MX3776E (es) | Mejoras en circuitos de conmutacion de la banda de frecuencia de recepcion para sintonizador | |
JPS5490600A (en) | Preparation of ferrite single crystal for high frequency | |
IT1068081B (it) | Circuito di filtraggio per la suddi visione di un segnale elettrico in almeno due componenti aventi rispettive bande ei frequenza | |
ES514370A0 (es) | Procedimiento para la obtencion de derivados del 3-amino-1 2-propandiol | |
JPS5737443A (en) | High frequency incising electrode for endoscope | |
SE413729B (sv) | Av flera resonanskretsar sammansatt bandfilter for frekvensen upp till 500 mhz |