IT8448050A0 - Struttura di antenna a superfici riflettenti - Google Patents
Struttura di antenna a superfici riflettentiInfo
- Publication number
- IT8448050A0 IT8448050A0 IT8448050A IT4805084A IT8448050A0 IT 8448050 A0 IT8448050 A0 IT 8448050A0 IT 8448050 A IT8448050 A IT 8448050A IT 4805084 A IT4805084 A IT 4805084A IT 8448050 A0 IT8448050 A0 IT 8448050A0
- Authority
- IT
- Italy
- Prior art keywords
- antenna structure
- reflective surfaces
- reflective
- antenna
- Prior art date
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
- H01Q19/023—Means for reducing undesirable effects for reducing the scattering of mounting structures, e.g. of the struts
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/486,143 US4636801A (en) | 1983-04-18 | 1983-04-18 | Multiple reflector system with dielectric support webs and foam body |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8448050A0 true IT8448050A0 (it) | 1984-04-16 |
IT8448050A1 IT8448050A1 (it) | 1985-10-16 |
IT1177663B IT1177663B (it) | 1987-08-26 |
Family
ID=23930770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48050/84A IT1177663B (it) | 1983-04-18 | 1984-04-16 | Struttura di antenna a superfici riflettenti |
Country Status (5)
Country | Link |
---|---|
US (1) | US4636801A (it) |
EP (1) | EP0138993A1 (it) |
JP (1) | JPS60501138A (it) |
IT (1) | IT1177663B (it) |
WO (1) | WO1984004209A1 (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5182569A (en) * | 1988-09-23 | 1993-01-26 | Alcatel N.V. | Antenna having a circularly symmetrical reflector |
US5426443A (en) * | 1994-01-18 | 1995-06-20 | Jenness, Jr.; James R. | Dielectric-supported reflector system |
US5543814A (en) * | 1995-03-10 | 1996-08-06 | Jenness, Jr.; James R. | Dielectric-supported antenna |
US6664939B1 (en) | 2001-03-28 | 2003-12-16 | Mark Olinyk | Foam-filled antenna and method of manufacturing same |
NL1019431C2 (nl) * | 2001-11-26 | 2003-05-27 | Stichting Astron | Antennesysteem en werkwijze voor het vervaardigen daarvan. |
FR2944156B1 (fr) * | 2009-04-02 | 2011-05-13 | Astrium Sas | Antenne radioelectrique |
CN103389555B (zh) * | 2013-07-30 | 2015-04-22 | 中国科学院长春光学精密机械与物理研究所 | 一种可快速装调的次镜支撑机构 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB474214A (en) * | 1936-06-26 | 1937-10-27 | Standard Telephones Cables Ltd | Reflecting arrangements for ultra-short wave signalling systems |
US2945233A (en) * | 1954-01-26 | 1960-07-12 | Sanders Associates Inc | High frequency antenna with laminated reflector |
CA619164A (en) * | 1954-09-17 | 1961-04-25 | Raytheon Manufacturing Company | Microwave scanning antennas |
US2940078A (en) * | 1956-08-07 | 1960-06-07 | Hollandse Signaalapparaten Bv | Directive aerial |
US3374482A (en) * | 1958-09-30 | 1968-03-19 | Navy Usa | Radar dish in plastic casement |
US3296685A (en) * | 1962-05-31 | 1967-01-10 | Sylvania Electric Prod | Method of making dielectric foam antenna |
US3407404A (en) * | 1964-10-05 | 1968-10-22 | Bell Telephone Labor Inc | Directive microwave antenna capable of rotating about two intersecting axes |
US3438045A (en) * | 1966-02-23 | 1969-04-08 | Whittaker Corp | Dish reflector with adjustable subreflector |
GB1162312A (en) * | 1967-02-16 | 1969-08-27 | Mini Of Technology London | Improvements in or relating to Microwave Aerial Assemblies |
US3983560A (en) * | 1974-06-06 | 1976-09-28 | Andrew Corporation | Cassegrain antenna with improved subreflector for terrestrial communication systems |
GB2081023B (en) * | 1980-06-03 | 1985-05-22 | Mitsubishi Electric Corp | Reflector antenna |
-
1983
- 1983-04-18 US US06/486,143 patent/US4636801A/en not_active Expired - Lifetime
-
1984
- 1984-04-03 WO PCT/US1984/000512 patent/WO1984004209A1/en not_active Application Discontinuation
- 1984-04-03 JP JP59501686A patent/JPS60501138A/ja active Pending
- 1984-04-03 EP EP84901688A patent/EP0138993A1/en not_active Ceased
- 1984-04-16 IT IT48050/84A patent/IT1177663B/it active
Also Published As
Publication number | Publication date |
---|---|
JPS60501138A (ja) | 1985-07-18 |
IT1177663B (it) | 1987-08-26 |
EP0138993A1 (en) | 1985-05-02 |
WO1984004209A1 (en) | 1984-10-25 |
IT8448050A1 (it) | 1985-10-16 |
US4636801A (en) | 1987-01-13 |
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