IT8548720A0 - Alimentatore di antenna per almeno due diverse bande di frequenza - Google Patents
Alimentatore di antenna per almeno due diverse bande di frequenzaInfo
- Publication number
- IT8548720A0 IT8548720A0 IT8548720A IT4872085A IT8548720A0 IT 8548720 A0 IT8548720 A0 IT 8548720A0 IT 8548720 A IT8548720 A IT 8548720A IT 4872085 A IT4872085 A IT 4872085A IT 8548720 A0 IT8548720 A0 IT 8548720A0
- Authority
- IT
- Italy
- Prior art keywords
- frequency bands
- different frequency
- antenna feeder
- feeder
- antenna
- 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
-
- 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
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
- H01Q5/45—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more feeds in association with a common reflecting, diffracting or refracting device
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843439413 DE3439413A1 (de) | 1984-10-27 | 1984-10-27 | Antennenerreger fuer mindestens zwei unterschiedliche frequenzbaender |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8548720A0 true IT8548720A0 (it) | 1985-10-25 |
IT1182939B IT1182939B (it) | 1987-10-05 |
Family
ID=6248923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48720/85A IT1182939B (it) | 1984-10-27 | 1985-10-25 | Alimentatore di antenna per almeno due diverse bande di frequenza |
Country Status (5)
Country | Link |
---|---|
BR (1) | BR8505308A (it) |
DE (1) | DE3439413A1 (it) |
FR (1) | FR2572594B1 (it) |
GB (1) | GB2166298B (it) |
IT (1) | IT1182939B (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3634772A1 (de) * | 1986-09-08 | 1988-03-17 | Kabelmetal Electro Gmbh | Antennenerreger fuer mindestens zwei unterschiedliche frequenzbaender |
US5255003B1 (en) * | 1987-10-02 | 1995-05-16 | Antenna Downlink Inc | Multiple-frequency microwave feed assembly |
DE4113760C2 (de) * | 1991-04-26 | 1994-09-01 | Hirschmann Richard Gmbh Co | Anordnung zur Umwandlung eines Mikrowellentyps |
US5784033A (en) * | 1996-06-07 | 1998-07-21 | Hughes Electronics Corporation | Plural frequency antenna feed |
DE19961237A1 (de) * | 1999-12-18 | 2001-06-21 | Alcatel Sa | Antenne zur Abstrahlung und zum Empfang elektromagnetischer Wellen |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3864688A (en) * | 1972-03-24 | 1975-02-04 | Andrew Corp | Cross-polarized parabolic antenna |
US4258366A (en) * | 1979-01-31 | 1981-03-24 | Nasa | Multifrequency broadband polarized horn antenna |
FR2488055A1 (fr) * | 1980-07-31 | 1982-02-05 | Thomson Csf | Transducteur d'antenne pour antenne d'emission-reception et source primaire d'antenne equipee d'un tel transducteur |
DE3111106A1 (de) * | 1981-03-20 | 1982-09-30 | Siemens AG, 1000 Berlin und 8000 München | Polarisationsweiche |
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 |
DE3241890A1 (de) * | 1982-11-12 | 1984-05-17 | kabelmetal electro GmbH, 3000 Hannover | Polarisationsweiche mit speisehorn |
-
1984
- 1984-10-27 DE DE19843439413 patent/DE3439413A1/de not_active Ceased
-
1985
- 1985-08-19 FR FR858512489A patent/FR2572594B1/fr not_active Expired
- 1985-10-22 GB GB08526010A patent/GB2166298B/en not_active Expired
- 1985-10-24 BR BR8505308A patent/BR8505308A/pt unknown
- 1985-10-25 IT IT48720/85A patent/IT1182939B/it active
Also Published As
Publication number | Publication date |
---|---|
BR8505308A (pt) | 1986-08-05 |
GB8526010D0 (en) | 1985-11-27 |
GB2166298A (en) | 1986-04-30 |
FR2572594A1 (fr) | 1986-05-02 |
IT1182939B (it) | 1987-10-05 |
FR2572594B1 (fr) | 1989-08-25 |
DE3439413A1 (de) | 1986-04-30 |
GB2166298B (en) | 1988-12-14 |
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