FR2767226B1 - CYLINDRICAL ANTENNA WITH SLIDING RADIANT ELEMENTS - Google Patents
CYLINDRICAL ANTENNA WITH SLIDING RADIANT ELEMENTSInfo
- Publication number
- FR2767226B1 FR2767226B1 FR9710264A FR9710264A FR2767226B1 FR 2767226 B1 FR2767226 B1 FR 2767226B1 FR 9710264 A FR9710264 A FR 9710264A FR 9710264 A FR9710264 A FR 9710264A FR 2767226 B1 FR2767226 B1 FR 2767226B1
- Authority
- FR
- France
- Prior art keywords
- sliding
- cylindrical antenna
- radiant elements
- radiant
- elements
- Prior art date
- 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.)
- Expired - Fee Related
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
- H01Q19/10—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
- H01Q19/17—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 comprising two or more radiating elements
- H01Q19/175—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 comprising two or more radiating elements arrayed along the focal line of a cylindrical focusing surface
-
- 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
- H01Q19/17—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 comprising two or more radiating elements
-
- 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
- H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/16—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
- H01Q3/18—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is movable and the reflecting device is fixed
-
- 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
- H01Q3/24—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/245—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching in the focal plane of a focussing device
-
- 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
- H01Q3/24—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/247—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching by switching different parts of a primary active element
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9710264A FR2767226B1 (en) | 1997-08-11 | 1997-08-11 | CYLINDRICAL ANTENNA WITH SLIDING RADIANT ELEMENTS |
EP98401817A EP0897201A1 (en) | 1997-08-11 | 1998-07-17 | Cylindrical reflector with sliding radiating elements |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9710264A FR2767226B1 (en) | 1997-08-11 | 1997-08-11 | CYLINDRICAL ANTENNA WITH SLIDING RADIANT ELEMENTS |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2767226A1 FR2767226A1 (en) | 1999-02-12 |
FR2767226B1 true FR2767226B1 (en) | 1999-10-22 |
Family
ID=9510227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9710264A Expired - Fee Related FR2767226B1 (en) | 1997-08-11 | 1997-08-11 | CYLINDRICAL ANTENNA WITH SLIDING RADIANT ELEMENTS |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0897201A1 (en) |
FR (1) | FR2767226B1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9907317D0 (en) * | 1999-03-31 | 1999-05-26 | Univ St Andrews | Antenna system |
JP5837223B2 (en) * | 2012-11-07 | 2015-12-24 | 三菱電機株式会社 | Array-fed reflector antenna device and control method thereof |
KR102007927B1 (en) * | 2014-02-11 | 2019-08-06 | 베가 그리이샤버 카게 | Fill level and topology determination |
CN113917546B (en) * | 2021-12-07 | 2024-05-31 | 西安空间无线电技术研究所 | Satellite-borne scanning type push-broom radiometer system based on feed source synthesis array |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3569976A (en) * | 1968-08-29 | 1971-03-09 | William Korvin | Antenna array at focal plane of reflector with coupling network for beam switching |
US4819000A (en) * | 1987-08-10 | 1989-04-04 | Micronav Ltd. | Scanning antenna having amplitude and phase distribution diversity |
US5202700A (en) * | 1988-11-03 | 1993-04-13 | Westinghouse Electric Corp. | Array fed reflector antenna for transmitting & receiving multiple beams |
FR2709380B1 (en) * | 1993-08-23 | 1995-09-22 | Alcatel Espace | Bi-beam antenna with electronic scanning. |
FR2719948B1 (en) * | 1994-05-10 | 1996-07-19 | Dassault Electronique | Multi-beam antenna for receiving microwaves from several satellites. |
-
1997
- 1997-08-11 FR FR9710264A patent/FR2767226B1/en not_active Expired - Fee Related
-
1998
- 1998-07-17 EP EP98401817A patent/EP0897201A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0897201A1 (en) | 1999-02-17 |
FR2767226A1 (en) | 1999-02-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20110502 |