GB2166298B - Antenna excitor for two or more frequency bands - Google Patents
Antenna excitor for two or more frequency bandsInfo
- Publication number
- GB2166298B GB2166298B GB08526010A GB8526010A GB2166298B GB 2166298 B GB2166298 B GB 2166298B GB 08526010 A GB08526010 A GB 08526010A GB 8526010 A GB8526010 A GB 8526010A GB 2166298 B GB2166298 B GB 2166298B
- Authority
- GB
- United Kingdom
- Prior art keywords
- excitor
- antenna
- frequency bands
- bands
- frequency
- 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.)
- Expired
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 Switches, Polarizers, And Phase Shifters (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843439413 DE3439413A1 (en) | 1984-10-27 | 1984-10-27 | ANTENNA EXTENSION FOR AT LEAST TWO DIFFERENT FREQUENCY BANDS |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8526010D0 GB8526010D0 (en) | 1985-11-27 |
GB2166298A GB2166298A (en) | 1986-04-30 |
GB2166298B true GB2166298B (en) | 1988-12-14 |
Family
ID=6248923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08526010A Expired GB2166298B (en) | 1984-10-27 | 1985-10-22 | Antenna excitor for two or more frequency bands |
Country Status (5)
Country | Link |
---|---|
BR (1) | BR8505308A (en) |
DE (1) | DE3439413A1 (en) |
FR (1) | FR2572594B1 (en) |
GB (1) | GB2166298B (en) |
IT (1) | IT1182939B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3634772A1 (en) * | 1986-09-08 | 1988-03-17 | Kabelmetal Electro Gmbh | ANTENNA EXTENSION FOR AT LEAST TWO DIFFERENT FREQUENCY BANDS |
US5255003B1 (en) * | 1987-10-02 | 1995-05-16 | Antenna Downlink Inc | Multiple-frequency microwave feed assembly |
DE4113760C2 (en) * | 1991-04-26 | 1994-09-01 | Hirschmann Richard Gmbh Co | Arrangement for converting a microwave type |
US5784033A (en) * | 1996-06-07 | 1998-07-21 | Hughes Electronics Corporation | Plural frequency antenna feed |
DE19961237A1 (en) | 1999-12-18 | 2001-06-21 | Alcatel Sa | Antenna for radiation and reception of electromagnetic waves |
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 (en) * | 1980-07-31 | 1982-02-05 | Thomson Csf | ANTENNA TRANSDUCER FOR EMISSION-RECEPTION ANTENNA AND PRIMARY ANTENNA SOURCE EQUIPPED WITH SUCH TRANSDUCER |
DE3111106A1 (en) * | 1981-03-20 | 1982-09-30 | Siemens AG, 1000 Berlin und 8000 München | Polarisation filter |
IT1155664B (en) * | 1982-03-25 | 1987-01-28 | Sip | WAVE GUIDE DEVICE FOR THE SEPARATION OF RADIOFREQUENCY SIGNALS OF DIFFERENT FREQUENCY AND POLARIZATION |
DE3241890A1 (en) * | 1982-11-12 | 1984-05-17 | kabelmetal electro GmbH, 3000 Hannover | POLARIZING SWITCH WITH FINE HORN |
-
1984
- 1984-10-27 DE DE19843439413 patent/DE3439413A1/en not_active Ceased
-
1985
- 1985-08-19 FR FR858512489A patent/FR2572594B1/en not_active Expired
- 1985-10-22 GB GB08526010A patent/GB2166298B/en not_active Expired
- 1985-10-24 BR BR8505308A patent/BR8505308A/en unknown
- 1985-10-25 IT IT48720/85A patent/IT1182939B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8548720A0 (en) | 1985-10-25 |
GB8526010D0 (en) | 1985-11-27 |
DE3439413A1 (en) | 1986-04-30 |
IT1182939B (en) | 1987-10-05 |
BR8505308A (en) | 1986-08-05 |
GB2166298A (en) | 1986-04-30 |
FR2572594B1 (en) | 1989-08-25 |
FR2572594A1 (en) | 1986-05-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |