IT1211760B - Eccitatore di antenna per almeno due diverse bande di frequenza - Google Patents
Eccitatore di antenna per almeno due diverse bande di frequenzaInfo
- Publication number
- IT1211760B IT1211760B IT8748359A IT4835987A IT1211760B IT 1211760 B IT1211760 B IT 1211760B IT 8748359 A IT8748359 A IT 8748359A IT 4835987 A IT4835987 A IT 4835987A IT 1211760 B IT1211760 B IT 1211760B
- Authority
- IT
- Italy
- Prior art keywords
- frequency bands
- different frequency
- antenna exciter
- exciter
- 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)
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3630501 | 1986-09-08 | ||
DE19863634772 DE3634772A1 (de) | 1986-09-08 | 1986-10-11 | Antennenerreger fuer mindestens zwei unterschiedliche frequenzbaender |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8748359A0 IT8748359A0 (it) | 1987-09-07 |
IT1211760B true IT1211760B (it) | 1989-11-03 |
Family
ID=25847310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8748359A IT1211760B (it) | 1986-09-08 | 1987-09-07 | Eccitatore di antenna per almeno due diverse bande di frequenza |
Country Status (9)
Country | Link |
---|---|
US (1) | US4758806A (it) |
AU (1) | AU584819B2 (it) |
BR (1) | BR8704405A (it) |
CA (1) | CA1284838C (it) |
DE (1) | DE3634772A1 (it) |
FI (1) | FI873861A (it) |
FR (1) | FR2603742A1 (it) |
GB (1) | GB2196485B (it) |
IT (1) | IT1211760B (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2616974B1 (fr) * | 1987-06-18 | 1989-07-07 | Alcatel Thomson Faisceaux | Tete hyperfrequence d'emission-reception duplexees a polarisations orthogonales |
FR2641133B1 (it) * | 1988-12-26 | 1991-05-17 | Alcatel Espace | |
US5392008A (en) * | 1993-04-22 | 1995-02-21 | Hughes Aircraft Company | Orthomode transducer with side-port window |
US5418506A (en) * | 1993-07-14 | 1995-05-23 | Mahnad; Ali R. | Triaxial transmission line for transmitting two independent frequencies |
FR2773270B1 (fr) * | 1997-12-31 | 2000-03-10 | Thomson Multimedia Sa | Emetteur/recepteur d'ondes hyperfrequences |
DE19961237A1 (de) | 1999-12-18 | 2001-06-21 | Alcatel Sa | Antenne zur Abstrahlung und zum Empfang elektromagnetischer Wellen |
US7083184B2 (en) * | 2002-10-07 | 2006-08-01 | William Crayton Sawyer | Collapsible utility trailer |
KR100691606B1 (ko) * | 2005-02-19 | 2007-03-12 | 서강대학교산학협력단 | 편광 듀플렉서를 이용한 시분할 듀플렉싱 방식의 송수신 장치 및 방법 |
EP2215740A4 (en) * | 2007-11-14 | 2011-04-20 | Kaonetics Technologies Inc | WIRELESS IDENTIFICATION SYSTEM USING A DIRECTED POWER DEVICE SUCH AS A LABEL READER |
TWI351782B (en) * | 2007-12-25 | 2011-11-01 | Microelectronics Tech Inc | Transceiver for radio-frequency communication |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3453621A (en) * | 1966-07-08 | 1969-07-01 | Hughes Aircraft Co | Dual mode receiving and transmitting antenna |
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 |
US4491810A (en) * | 1983-01-28 | 1985-01-01 | Andrew Corporation | Multi-port, multi-frequency microwave combiner with overmoded square waveguide section |
DE3439414A1 (de) * | 1984-10-27 | 1986-04-30 | kabelmetal electro GmbH, 3000 Hannover | Antennenerreger fuer mindestens zwei unterschiedliche frequenzbaender |
DE3439413A1 (de) * | 1984-10-27 | 1986-04-30 | kabelmetal electro GmbH, 3000 Hannover | Antennenerreger fuer mindestens zwei unterschiedliche frequenzbaender |
-
1986
- 1986-10-11 DE DE19863634772 patent/DE3634772A1/de active Granted
-
1987
- 1987-06-22 FR FR8708722A patent/FR2603742A1/fr not_active Withdrawn
- 1987-08-27 BR BR8704405A patent/BR8704405A/pt not_active IP Right Cessation
- 1987-08-27 CA CA000545469A patent/CA1284838C/en not_active Expired - Lifetime
- 1987-08-28 US US07/090,670 patent/US4758806A/en not_active Expired - Fee Related
- 1987-09-07 GB GB8721009A patent/GB2196485B/en not_active Expired - Lifetime
- 1987-09-07 FI FI873861A patent/FI873861A/fi not_active IP Right Cessation
- 1987-09-07 IT IT8748359A patent/IT1211760B/it active
- 1987-09-07 AU AU78111/87A patent/AU584819B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
GB2196485A (en) | 1988-04-27 |
BR8704405A (pt) | 1988-04-19 |
AU7811187A (en) | 1988-03-10 |
FI873861A (fi) | 1988-03-09 |
US4758806A (en) | 1988-07-19 |
DE3634772C2 (it) | 1990-07-05 |
FI873861A0 (fi) | 1987-09-07 |
AU584819B2 (en) | 1989-06-01 |
DE3634772A1 (de) | 1988-03-17 |
IT8748359A0 (it) | 1987-09-07 |
CA1284838C (en) | 1991-06-11 |
FR2603742A1 (fr) | 1988-03-11 |
GB8721009D0 (en) | 1987-10-14 |
GB2196485B (en) | 1990-07-04 |
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