FR2270691A1 - - Google Patents
Info
- Publication number
- FR2270691A1 FR2270691A1 FR7514273A FR7514273A FR2270691A1 FR 2270691 A1 FR2270691 A1 FR 2270691A1 FR 7514273 A FR7514273 A FR 7514273A FR 7514273 A FR7514273 A FR 7514273A FR 2270691 A1 FR2270691 A1 FR 2270691A1
- Authority
- FR
- France
- 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.)
- Granted
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
-
- 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
- H01Q13/04—Biconical horns
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742422031 DE2422031C3 (de) | 1974-05-07 | Drehfunkfeuer zur Abstrahlung eines kardioidenförmigen Richtdiagramms |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2270691A1 true FR2270691A1 (it) | 1975-12-05 |
| FR2270691B3 FR2270691B3 (it) | 1979-04-20 |
Family
ID=5914871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7514273A Expired FR2270691B3 (it) | 1974-05-07 | 1975-05-07 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR2270691B3 (it) |
| GB (1) | GB1505375A (it) |
| IT (1) | IT1037867B (it) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2379177A1 (fr) * | 1976-06-21 | 1978-08-25 | Hoffman Electronics Corp | Antenne produisant electriquement un motif de rayonnement tournant |
| WO2007071475A1 (en) * | 2005-12-22 | 2007-06-28 | Thales Italia S.P.A. - Land & Joint Systems Division | Reconfigurable antenna |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001069720A1 (de) * | 2000-03-14 | 2001-09-20 | Technische Universität Dresden | Vorrichtung zum richtungsselektiven senden und empfangen elektromagnetischer wellen |
| US9379437B1 (en) | 2011-01-31 | 2016-06-28 | Ball Aerospace & Technologies Corp. | Continuous horn circular array antenna system |
| US8648768B2 (en) | 2011-01-31 | 2014-02-11 | Ball Aerospace & Technologies Corp. | Conical switched beam antenna method and apparatus |
| US12040539B2 (en) * | 2020-11-25 | 2024-07-16 | Raytheon Company | Mitigation of ripple in element pattern of geodesic antenna |
-
1975
- 1975-04-30 GB GB1804575A patent/GB1505375A/en not_active Expired
- 1975-05-06 IT IT2302975A patent/IT1037867B/it active
- 1975-05-07 FR FR7514273A patent/FR2270691B3/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2379177A1 (fr) * | 1976-06-21 | 1978-08-25 | Hoffman Electronics Corp | Antenne produisant electriquement un motif de rayonnement tournant |
| WO2007071475A1 (en) * | 2005-12-22 | 2007-06-28 | Thales Italia S.P.A. - Land & Joint Systems Division | Reconfigurable antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1037867B (it) | 1979-11-20 |
| GB1505375A (en) | 1978-03-30 |
| FR2270691B3 (it) | 1979-04-20 |
| DE2422031B2 (de) | 1977-01-13 |
| DE2422031A1 (de) | 1975-11-13 |