ITRM910050A0 - Configurazione e tecnica di reti multimodali formatrici di fasci per antenne multifascio a riflettore. - Google Patents
Configurazione e tecnica di reti multimodali formatrici di fasci per antenne multifascio a riflettore.Info
- Publication number
- ITRM910050A0 ITRM910050A0 IT91RM50A ITRM910050A ITRM910050A0 IT RM910050 A0 ITRM910050 A0 IT RM910050A0 IT 91RM50 A IT91RM50 A IT 91RM50A IT RM910050 A ITRM910050 A IT RM910050A IT RM910050 A0 ITRM910050 A0 IT RM910050A0
- Authority
- IT
- Italy
- Prior art keywords
- multimode
- technique
- configuration
- beam reflector
- reflector antennas
- Prior art date
Links
Classifications
-
- 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
- H01Q3/30—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 varying the relative phase between the radiating elements of an array
- H01Q3/34—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 varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/40—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 varying the relative phase between the radiating elements of an array by electrical means with phasing matrix
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITRM910050A IT1244907B (it) | 1991-01-23 | 1991-01-23 | Configurazione e tecnica di reti multimodali formatrici di fasci per antenne multifascio a riflettore. |
EP92101034A EP0504552B1 (en) | 1991-01-23 | 1992-01-23 | Multi-mode beam forming networks for multi beam reflector antenna |
DE69232146T DE69232146T2 (de) | 1991-01-23 | 1992-01-23 | Netzwerk zur Strahlformung für eine Mehrmoden-Mehrstrahl-Reflektorantenne |
AT92101034T ATE207657T1 (de) | 1991-01-23 | 1992-01-23 | Netzwerk zur strahlformung für eine mehrmoden- mehrstrahl-reflektorantenne |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITRM910050A IT1244907B (it) | 1991-01-23 | 1991-01-23 | Configurazione e tecnica di reti multimodali formatrici di fasci per antenne multifascio a riflettore. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITRM910050A0 true ITRM910050A0 (it) | 1991-01-23 |
ITRM910050A1 ITRM910050A1 (it) | 1992-07-24 |
IT1244907B IT1244907B (it) | 1994-09-13 |
Family
ID=11399778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITRM910050A IT1244907B (it) | 1991-01-23 | 1991-01-23 | Configurazione e tecnica di reti multimodali formatrici di fasci per antenne multifascio a riflettore. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0504552B1 (it) |
AT (1) | ATE207657T1 (it) |
DE (1) | DE69232146T2 (it) |
IT (1) | IT1244907B (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2732163B1 (fr) * | 1995-03-20 | 1997-05-30 | Europ Agence Spatiale | Dispositif d'alimentation d'une antenne multisources et multifaisceaux |
US5856810A (en) * | 1996-10-02 | 1999-01-05 | Gec-Marconi Hazeltine Corp. Electronic Systems Division | Low sidelobe multi-beam lossless feed networks for array antennas |
US6922116B1 (en) | 2001-09-12 | 2005-07-26 | Kathrein-Werke Kg | Generating arbitrary passive beam forming networks |
EP1398849B1 (en) * | 2002-09-11 | 2008-04-02 | Kathrein-Werke KG | Method for generating arbitrary passive beam forming networks |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4231040A (en) * | 1978-12-11 | 1980-10-28 | Motorola, Inc. | Simultaneous multiple beam antenna array matrix and method thereof |
FR2560446B1 (fr) * | 1984-01-05 | 1986-05-30 | Europ Agence Spatiale | Repartiteur de puissance pour antenne a faisceaux multiples a elements sources partages |
US4638317A (en) * | 1984-06-19 | 1987-01-20 | Westinghouse Electric Corp. | Orthogonal beam forming network |
US4633259A (en) * | 1984-07-10 | 1986-12-30 | Westinghouse Electric Corp. | Lossless orthogonal beam forming network |
CA1226934A (en) * | 1986-09-26 | 1987-09-15 | Henry Downs | Reconfigurable beam-forming network that provides in- phase power to each region |
US4989011A (en) * | 1987-10-23 | 1991-01-29 | Hughes Aircraft Company | Dual mode phased array antenna system |
-
1991
- 1991-01-23 IT ITRM910050A patent/IT1244907B/it active IP Right Grant
-
1992
- 1992-01-23 AT AT92101034T patent/ATE207657T1/de not_active IP Right Cessation
- 1992-01-23 DE DE69232146T patent/DE69232146T2/de not_active Expired - Fee Related
- 1992-01-23 EP EP92101034A patent/EP0504552B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69232146T2 (de) | 2002-07-11 |
ATE207657T1 (de) | 2001-11-15 |
ITRM910050A1 (it) | 1992-07-24 |
IT1244907B (it) | 1994-09-13 |
EP0504552A1 (en) | 1992-09-23 |
EP0504552B1 (en) | 2001-10-24 |
DE69232146D1 (de) | 2001-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970117 |