IT1132744B - Sistema di eccitazione cassegrain per una antenna parabolica - Google Patents
Sistema di eccitazione cassegrain per una antenna parabolicaInfo
- Publication number
- IT1132744B IT1132744B IT24599/80A IT2459980A IT1132744B IT 1132744 B IT1132744 B IT 1132744B IT 24599/80 A IT24599/80 A IT 24599/80A IT 2459980 A IT2459980 A IT 2459980A IT 1132744 B IT1132744 B IT 1132744B
- Authority
- IT
- Italy
- Prior art keywords
- cassegrain
- excitation system
- parabolic antenna
- parabolic
- antenna
- Prior art date
Links
- 230000005284 excitation Effects 0.000 title 1
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
- H01Q19/12—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 wherein the surfaces are concave
- H01Q19/13—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 wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
- H01Q19/134—Rear-feeds; Splash plate feeds
-
- 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
- H01Q19/193—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 with feed supported subreflector
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792938187 DE2938187A1 (de) | 1979-09-21 | 1979-09-21 | Cassegrain-erreger-system fuer eine parabolantenne |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8024599A0 IT8024599A0 (it) | 1980-09-11 |
IT1132744B true IT1132744B (it) | 1986-07-02 |
Family
ID=6081449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24599/80A IT1132744B (it) | 1979-09-21 | 1980-09-11 | Sistema di eccitazione cassegrain per una antenna parabolica |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2938187A1 (it) |
FR (1) | FR2466108A1 (it) |
IT (1) | IT1132744B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3108758A1 (de) * | 1981-03-07 | 1982-09-16 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Mikrowellen-empfangseinrichtung |
FR2581257B1 (fr) * | 1982-06-08 | 1988-05-13 | Thomson Csf | Antenne a balayage conique et utilisation d'une telle antenne dans un radar de poursuite |
DE4002913A1 (de) * | 1990-02-01 | 1991-08-08 | Ant Nachrichtentech | Doppelreflektor-antenne |
DE19725047A1 (de) * | 1996-07-03 | 1998-01-08 | Alsthom Cge Alcatel | Erregersystem für eine Antenne mit einem parabelförmig gebogenen Reflektor und einem dielektrischen Strahler |
EP3109941B1 (fr) * | 2015-06-23 | 2019-06-19 | Alcatel- Lucent Shanghai Bell Co., Ltd | Antenne micro onde à double réflecteur |
FR3085552B1 (fr) * | 2018-08-28 | 2020-11-20 | Arianegroup Sas | Antenne pour un satellite spatial |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2750588A (en) * | 1953-03-26 | 1956-06-12 | Frank L Hennessey | Wave guide terminating device |
US3071770A (en) * | 1953-07-20 | 1963-01-01 | Wilkes Gilbert | Parabolic dish antenna with aperture blocking correction |
GB901005A (en) * | 1959-05-18 | 1962-07-11 | Tesla Np | Improvements in or relating to a parabolic reflector antenna for waves polarized in two directions |
US3430244A (en) * | 1964-11-25 | 1969-02-25 | Radiation Inc | Reflector antennas |
US3806941A (en) * | 1972-04-10 | 1974-04-23 | Omni Spectra Inc | Intrusion detection system |
DE2240893A1 (de) * | 1972-08-19 | 1974-03-07 | Gruenzweig & Hartmann | Spiegelantenne, insbesondere fuer das 12 ghz-band |
US4188632A (en) * | 1975-01-21 | 1980-02-12 | Post Office | Rear feed assemblies for aerials |
-
1979
- 1979-09-21 DE DE19792938187 patent/DE2938187A1/de not_active Ceased
-
1980
- 1980-09-11 IT IT24599/80A patent/IT1132744B/it active
- 1980-09-18 FR FR8020093A patent/FR2466108A1/fr active Pending
Also Published As
Publication number | Publication date |
---|---|
IT8024599A0 (it) | 1980-09-11 |
FR2466108A1 (fr) | 1981-03-27 |
DE2938187A1 (de) | 1981-04-02 |
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