GB1464078A - Multiplexer-demultiplexer for a microwave antenna - Google Patents
Multiplexer-demultiplexer for a microwave antennaInfo
- Publication number
- GB1464078A GB1464078A GB970675A GB970675A GB1464078A GB 1464078 A GB1464078 A GB 1464078A GB 970675 A GB970675 A GB 970675A GB 970675 A GB970675 A GB 970675A GB 1464078 A GB1464078 A GB 1464078A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ghz
- ghz band
- multiplexer
- waveguides
- demultiplexer
- 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
- 230000005855 radiation Effects 0.000 abstract 2
- 239000000523 sample Substances 0.000 abstract 2
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 230000003071 parasitic effect Effects 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
-
- 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
-
- 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
-
- 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7216104A FR2182728B1 (enrdf_load_stackoverflow) | 1972-05-05 | 1972-05-05 | |
| FR7407927A FR2263612B2 (enrdf_load_stackoverflow) | 1972-05-05 | 1974-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1464078A true GB1464078A (en) | 1977-02-09 |
Family
ID=26217071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB970675A Expired GB1464078A (en) | 1972-05-05 | 1975-03-07 | Multiplexer-demultiplexer for a microwave antenna |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE826386R (enrdf_load_stackoverflow) |
| DE (1) | DE2510033C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2263612B2 (enrdf_load_stackoverflow) |
| GB (1) | GB1464078A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2347793A (en) * | 1999-03-09 | 2000-09-13 | Isis Innovation | Degenerate mode combiner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2182728B1 (enrdf_load_stackoverflow) * | 1972-05-05 | 1977-03-18 | Thomson Csf |
-
1974
- 1974-03-08 FR FR7407927A patent/FR2263612B2/fr not_active Expired
-
1975
- 1975-03-06 BE BE154088A patent/BE826386R/xx active
- 1975-03-07 DE DE19752510033 patent/DE2510033C2/de not_active Expired
- 1975-03-07 GB GB970675A patent/GB1464078A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2263612B2 (enrdf_load_stackoverflow) | 1979-07-20 |
| DE2510033A1 (de) | 1975-09-11 |
| FR2263612A2 (enrdf_load_stackoverflow) | 1975-10-03 |
| DE2510033C2 (de) | 1984-04-05 |
| BE826386R (fr) | 1975-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |