GB2110003B - Antenna assemblies - Google Patents
Antenna assembliesInfo
- Publication number
- GB2110003B GB2110003B GB08134828A GB8134828A GB2110003B GB 2110003 B GB2110003 B GB 2110003B GB 08134828 A GB08134828 A GB 08134828A GB 8134828 A GB8134828 A GB 8134828A GB 2110003 B GB2110003 B GB 2110003B
- Authority
- GB
- United Kingdom
- Prior art keywords
- antenna assemblies
- assemblies
- antenna
- 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
- 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
- H01Q19/10—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 using reflecting surfaces
- H01Q19/18—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 using reflecting surfaces having two or more spaced reflecting surfaces
- H01Q19/19—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 using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
- H01Q19/195—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 using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface wherein a reflecting surface acts also as a polarisation filter or a polarising device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/001—Crossed polarisation dual antennas
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08134828A GB2110003B (en) | 1981-11-19 | 1981-11-19 | Antenna assemblies |
EP82306095A EP0080319A1 (fr) | 1981-11-19 | 1982-11-16 | Combinaisons d'antennes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08134828A GB2110003B (en) | 1981-11-19 | 1981-11-19 | Antenna assemblies |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2110003A GB2110003A (en) | 1983-06-08 |
GB2110003B true GB2110003B (en) | 1985-03-13 |
Family
ID=10525985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08134828A Expired GB2110003B (en) | 1981-11-19 | 1981-11-19 | Antenna assemblies |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0080319A1 (fr) |
GB (1) | GB2110003B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4769646A (en) * | 1984-02-27 | 1988-09-06 | United Technologies Corporation | Antenna system and dual-fed lenses producing characteristically different beams |
GB8628553D0 (en) * | 1986-11-28 | 2004-11-10 | Marconi Co Ltd | Radar system |
GB9708758D0 (en) * | 1997-04-29 | 1997-06-25 | Era Patents Ltd | Antenna |
US6150991A (en) * | 1998-11-12 | 2000-11-21 | Raytheon Company | Electronically scanned cassegrain antenna with full aperture secondary/radome |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE582007C (de) * | 1933-08-07 | Ernst Gerhard Dr | Anordnung zur Aussendung von mehreren voneinander unabhaengigen und verschiedenen Strahlenkegeln elektrischer Wellen | |
GB758957A (en) * | 1954-03-23 | 1956-10-10 | British Thomson Houston Co Ltd | Improvements relating to ultra-high frequency aerials |
US2990544A (en) * | 1957-04-30 | 1961-06-27 | Hazeltine Research Inc | Radar antenna system providing improved resolution |
FR1214296A (fr) * | 1958-10-29 | 1960-04-07 | Thomson Houston Comp Francaise | Nouvelle antenne pour ondes ultra-courtes |
US3049708A (en) * | 1959-11-20 | 1962-08-14 | Sperry Rand Corp | Polarization sensitive antenna system |
US3271771A (en) * | 1962-02-15 | 1966-09-06 | Hazeltine Research Inc | Double-reflector, double-feed antenna for crossed polarizations and polarization changing devices useful therein |
FR1396404A (fr) * | 1964-03-09 | 1965-04-23 | Csf | Nouveau système de changement de fréquence pour récepteur à voies multiples |
SE356641B (fr) * | 1972-04-24 | 1973-05-28 | Ericsson Telefon Ab L M | |
US3898667A (en) * | 1974-02-06 | 1975-08-05 | Rca Corp | Compact frequency reuse antenna |
-
1981
- 1981-11-19 GB GB08134828A patent/GB2110003B/en not_active Expired
-
1982
- 1982-11-16 EP EP82306095A patent/EP0080319A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0080319A1 (fr) | 1983-06-01 |
GB2110003A (en) | 1983-06-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |