DE69524469D1 - Breitbandige rundstrahlende Mikrowellenantenne - Google Patents
Breitbandige rundstrahlende MikrowellenantenneInfo
- Publication number
- DE69524469D1 DE69524469D1 DE69524469T DE69524469T DE69524469D1 DE 69524469 D1 DE69524469 D1 DE 69524469D1 DE 69524469 T DE69524469 T DE 69524469T DE 69524469 T DE69524469 T DE 69524469T DE 69524469 D1 DE69524469 D1 DE 69524469D1
- Authority
- DE
- Germany
- Prior art keywords
- microwave antenna
- broadband omnidirectional
- omnidirectional microwave
- broadband
- antenna
- 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 - Lifetime
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
- H01Q19/18—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
- H01Q17/001—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems for modifying the directional characteristic of an aerial
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/229,553 US5486838A (en) | 1993-08-23 | 1994-04-19 | Broadband omnidirectional microwave antenna for minimizing radiation toward the upper hemisphere |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69524469D1 true DE69524469D1 (de) | 2002-01-24 |
DE69524469T2 DE69524469T2 (de) | 2002-05-23 |
Family
ID=22861731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69524469T Expired - Lifetime DE69524469T2 (de) | 1994-04-19 | 1995-04-06 | Breitbandige rundstrahlende Mikrowellenantenne |
Country Status (4)
Country | Link |
---|---|
US (1) | US5486838A (de) |
EP (1) | EP0678930B1 (de) |
AU (1) | AU688844B2 (de) |
DE (1) | DE69524469T2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9602395D0 (en) * | 1996-02-06 | 1996-04-03 | Secr Defence | Omnidirectional antenna |
CA2198969A1 (en) * | 1996-03-04 | 1997-09-04 | Andrew Corporation | Broadband omnidirectional microwave antenna with decreased sky radiation and with a simple means of elevation-plane pattern control |
US6094174A (en) * | 1996-03-04 | 2000-07-25 | Andrew Corporation | Broadband omnidirectional microwave parabolic dish--shaped cone antenna |
US6121938A (en) * | 1996-10-04 | 2000-09-19 | Ericsson Inc. | Antenna having improved blockage fill-in characteristics |
ES2267156T3 (es) * | 1997-02-14 | 2007-03-01 | Andrew A.G. | Antena de microondas con doble reflector. |
EP1131856A1 (de) * | 1998-11-12 | 2001-09-12 | BAE Systems Electronics Ltd. | Abtasten von elektromagnetischen strahlen |
US6219004B1 (en) * | 1999-06-11 | 2001-04-17 | Harris Corporation | Antenna having hemispherical radiation optimized for peak gain at horizon |
US6522305B2 (en) | 2000-02-25 | 2003-02-18 | Andrew Corporation | Microwave antennas |
US6639566B2 (en) | 2001-09-20 | 2003-10-28 | Andrew Corporation | Dual-polarized shaped-reflector antenna |
US6657598B2 (en) | 2001-10-12 | 2003-12-02 | Andrew Corporation | Method of and apparatus for antenna alignment |
US6844862B1 (en) | 2002-02-11 | 2005-01-18 | Lockheed Martin Corporation | Wide angle paraconic reflector antenna |
US6803883B2 (en) * | 2003-02-13 | 2004-10-12 | Spectrasite Communications, Inc. | Radio frequency electromagnetic emissions shield |
JP3995004B2 (ja) * | 2004-07-12 | 2007-10-24 | 日本電気株式会社 | ヌルフィルアンテナ、オムニアンテナ、無線装置 |
TW201433004A (zh) * | 2013-02-08 | 2014-08-16 | Sj Antenna Design | 天線反射裝置 |
CN107275803B (zh) * | 2017-05-31 | 2021-06-15 | 西安华讯天基通信技术有限公司 | 一种毫米波透镜反射式智能天线装置 |
US11881625B1 (en) * | 2020-10-06 | 2024-01-23 | Lockheed Martin Corporation | Phased array feed reflector collar and paraconic ground plane |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1801706A1 (de) * | 1968-10-08 | 1970-06-11 | Rohde & Schwarz | Rundstrahlantenne fuer den Mikrowellenbereich |
NL169124C (nl) * | 1975-01-21 | 1982-06-01 | Nederlanden Staat | Rondstraalantenne. |
FR2334216A1 (fr) * | 1975-12-05 | 1977-07-01 | Thomson Csf | Antenne omnidirectionnelle a large bandepassante |
IT1108290B (it) * | 1978-05-11 | 1985-12-02 | Cselt Centro Studi Lab Telecom | Antenna a riflettore parabolico con caratteristiche irradiative ottimali |
GB2155245B (en) * | 1984-02-29 | 1987-07-29 | Standard Telephones Cables Ltd | Antenna systems |
-
1994
- 1994-04-19 US US08/229,553 patent/US5486838A/en not_active Expired - Lifetime
-
1995
- 1995-03-27 AU AU15087/95A patent/AU688844B2/en not_active Ceased
- 1995-04-06 DE DE69524469T patent/DE69524469T2/de not_active Expired - Lifetime
- 1995-04-06 EP EP95105221A patent/EP0678930B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU1508795A (en) | 1995-10-26 |
EP0678930B1 (de) | 2001-12-12 |
DE69524469T2 (de) | 2002-05-23 |
EP0678930A3 (de) | 1996-11-20 |
US5486838A (en) | 1996-01-23 |
AU688844B2 (en) | 1998-03-19 |
EP0678930A2 (de) | 1995-10-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |