IT1212657B - Illuminatore ad iperfrequenza per un antenna a scansione conica ed antenna comprendente un siffatto illuminatore - Google Patents
Illuminatore ad iperfrequenza per un antenna a scansione conica ed antenna comprendente un siffatto illuminatoreInfo
- Publication number
- IT1212657B IT1212657B IT8267426A IT6742682A IT1212657B IT 1212657 B IT1212657 B IT 1212657B IT 8267426 A IT8267426 A IT 8267426A IT 6742682 A IT6742682 A IT 6742682A IT 1212657 B IT1212657 B IT 1212657B
- Authority
- IT
- Italy
- Prior art keywords
- illuminator
- antenna
- hyperfrequency
- conical scanning
- antenna including
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/02—Waveguide horns
- H01Q13/025—Multimode horn antennas; Horns using higher mode of propagation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2664—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture electrically moving the phase centre of a radiating element in the focal plane of a focussing device
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8110250A FR2594260B1 (fr) | 1981-05-22 | 1981-05-22 | Source primaire hyperfrequence pour antenne a balayage conique et antenne l'incorporant. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8267426A0 IT8267426A0 (it) | 1982-04-01 |
IT1212657B true IT1212657B (it) | 1989-11-30 |
Family
ID=9258801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8267426A IT1212657B (it) | 1981-05-22 | 1982-04-01 | Illuminatore ad iperfrequenza per un antenna a scansione conica ed antenna comprendente un siffatto illuminatore |
Country Status (6)
Country | Link |
---|---|
US (1) | US4774520A (it) |
DE (1) | DE3218950A1 (it) |
FR (1) | FR2594260B1 (it) |
GB (1) | GB2186119B (it) |
IT (1) | IT1212657B (it) |
NL (1) | NL8202070A (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2655202B1 (fr) * | 1989-11-24 | 1992-02-07 | Thomson Csf | Antenne a polarisation circulaire, notamment pour reseau d'antennes. |
FR2655201B1 (fr) * | 1989-11-24 | 1992-06-19 | Thomson Csf | Antenne a polarisation circulaire, notamment pour reseau d'antennes. |
FR2736438B1 (fr) * | 1995-07-07 | 1997-08-14 | Thomson Csf | Circuit de traitement polarimetrique de detection pour recepteur radar |
US5995057A (en) * | 1998-05-27 | 1999-11-30 | Trw Inc. | Dual mode horn reflector antenna |
CA2470281A1 (en) * | 2003-06-24 | 2004-12-24 | Her Majesty In Right Of Canada As Represented By The Minister Of Nationa L Defence | Multiple phase center feedhorn for reflector antenna |
DE102012025123A1 (de) * | 2012-12-21 | 2014-06-26 | Epak Gmbh | Anordnung und Verfahren zur elektronischen Nachführung von HF-Reflektorantennen |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2599864A (en) * | 1945-06-20 | 1952-06-10 | Robertson-Shersby-Ha Rob Bruce | Wave front modifying wave guide system |
US2774067A (en) * | 1949-08-17 | 1956-12-11 | Rca Corp | Microwave scanning antenna system |
NL6713465A (it) * | 1967-10-04 | 1969-04-09 | ||
GB1272570A (en) * | 1968-10-17 | 1972-05-03 | Marconi Co Ltd | Improvements in or relating to automatic tracking radio equipments |
US3710388A (en) * | 1970-08-06 | 1973-01-09 | Raytheon Co | Radar scanning method and apparatus |
US3740752A (en) * | 1972-01-21 | 1973-06-19 | United Aircraft Corp | Mode interferometer squinting radar antenna |
US3831177A (en) * | 1973-08-02 | 1974-08-20 | United Aircraft Corp | Exponential aperture distribution horn antenna |
FR2445040A1 (fr) * | 1978-12-22 | 1980-07-18 | Thomson Csf | Antenne a balayage conique pour radar, notamment radar de poursuite |
-
1981
- 1981-05-22 FR FR8110250A patent/FR2594260B1/fr not_active Expired
-
1982
- 1982-03-25 US US06/361,846 patent/US4774520A/en not_active Expired - Fee Related
- 1982-04-01 IT IT8267426A patent/IT1212657B/it active
- 1982-05-18 GB GB08214095A patent/GB2186119B/en not_active Expired
- 1982-05-19 DE DE3218950A patent/DE3218950A1/de not_active Withdrawn
- 1982-05-19 NL NL8202070A patent/NL8202070A/nl not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
GB2186119A (en) | 1987-08-05 |
FR2594260A1 (fr) | 1987-08-14 |
US4774520A (en) | 1988-09-27 |
FR2594260B1 (fr) | 1989-01-13 |
IT8267426A0 (it) | 1982-04-01 |
DE3218950A1 (de) | 1988-02-18 |
GB2186119B (en) | 1988-01-13 |
NL8202070A (nl) | 1987-07-01 |
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