GB9003721D0 - Antennas - Google Patents
AntennasInfo
- Publication number
- GB9003721D0 GB9003721D0 GB909003721A GB9003721A GB9003721D0 GB 9003721 D0 GB9003721 D0 GB 9003721D0 GB 909003721 A GB909003721 A GB 909003721A GB 9003721 A GB9003721 A GB 9003721A GB 9003721 D0 GB9003721 D0 GB 9003721D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- antennas
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/02—Details
- H01Q19/021—Means for reducing undesirable effects
- H01Q19/027—Means for reducing undesirable effects for compensating or reducing aperture blockage
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9003721A GB2243489A (en) | 1990-02-19 | 1990-02-19 | Antenna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9003721A GB2243489A (en) | 1990-02-19 | 1990-02-19 | Antenna |
Publications (2)
Publication Number | Publication Date |
---|---|
GB9003721D0 true GB9003721D0 (en) | 1990-04-18 |
GB2243489A GB2243489A (en) | 1991-10-30 |
Family
ID=10671248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9003721A Withdrawn GB2243489A (en) | 1990-02-19 | 1990-02-19 | Antenna |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2243489A (en) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4178576A (en) * | 1977-09-01 | 1979-12-11 | Andrew Corporation | Feed system for microwave antenna employing pattern control elements |
NO148579C (en) * | 1981-03-23 | 1983-11-02 | Sintef | Antenna |
JPS5843604A (en) * | 1981-09-09 | 1983-03-14 | Japan Radio Co Ltd | Antenna element |
US4631547A (en) * | 1984-06-25 | 1986-12-23 | The United States Of America As Represented By The Secretary Of The Air Force | Reflector antenna having sidelobe suppression elements |
JPS62501326A (en) * | 1984-11-19 | 1987-05-21 | ヒユ−ズ・エアクラフト・カンパニ− | Antenna design with high gain 1 area product |
US4689632A (en) * | 1985-05-30 | 1987-08-25 | Rca Corporation | Reflector antenna system having reduced blockage effects |
-
1990
- 1990-02-19 GB GB9003721A patent/GB2243489A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2243489A (en) | 1991-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |