DE69521728D1 - Abtastende Antenne mit festem Dipol im rotierenden becherförmigen Reflektor - Google Patents
Abtastende Antenne mit festem Dipol im rotierenden becherförmigen ReflektorInfo
- Publication number
- DE69521728D1 DE69521728D1 DE69521728T DE69521728T DE69521728D1 DE 69521728 D1 DE69521728 D1 DE 69521728D1 DE 69521728 T DE69521728 T DE 69521728T DE 69521728 T DE69521728 T DE 69521728T DE 69521728 D1 DE69521728 D1 DE 69521728D1
- Authority
- DE
- Germany
- Prior art keywords
- shaped reflector
- scanning antenna
- rotating cup
- fixed dipole
- dipole
- 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
- H01Q19/108—Combination of a dipole with a plane reflecting surface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
- H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
-
- 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
- H01Q3/20—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 fixed and the reflecting device is movable
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19134594A | 1994-02-02 | 1994-02-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69521728D1 true DE69521728D1 (de) | 2001-08-23 |
DE69521728T2 DE69521728T2 (de) | 2002-05-08 |
Family
ID=22705110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69521728T Expired - Lifetime DE69521728T2 (de) | 1994-02-02 | 1995-01-27 | Abtastende Antenne mit festem Dipol im rotierenden becherförmigen Reflektor |
Country Status (4)
Country | Link |
---|---|
US (1) | US5929820A (de) |
EP (1) | EP0666611B1 (de) |
JP (1) | JPH088641A (de) |
DE (1) | DE69521728T2 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6806842B2 (en) | 2000-07-18 | 2004-10-19 | Marconi Intellectual Property (Us) Inc. | Wireless communication device and method for discs |
US6483473B1 (en) * | 2000-07-18 | 2002-11-19 | Marconi Communications Inc. | Wireless communication device and method |
US7098850B2 (en) * | 2000-07-18 | 2006-08-29 | King Patrick F | Grounded antenna for a wireless communication device and method |
ATE403196T1 (de) | 2002-04-24 | 2008-08-15 | Mineral Lassen Llc | Herstellungsverfahren für eine drahtlose kommunikationseinrichtung und herstellungsvorrichtung |
JP2006101080A (ja) * | 2004-09-29 | 2006-04-13 | Brother Ind Ltd | 無線タグ通信装置 |
US7193579B2 (en) * | 2004-11-09 | 2007-03-20 | Research In Motion Limited | Balanced dipole antenna |
ES2315080B1 (es) * | 2006-03-10 | 2010-01-18 | Diseño, Radio Y Television, S.L.L. | Antena de polarizacion circular. |
US7839351B2 (en) * | 2006-04-14 | 2010-11-23 | Spx Corporation | Antenna system and method to transmit cross-polarized signals from a common radiator with low mutual coupling |
DE102006039279B4 (de) * | 2006-08-22 | 2013-10-10 | Kathrein-Werke Kg | Dipolförmige Strahleranordnung |
US8639181B2 (en) * | 2007-01-25 | 2014-01-28 | The Boeing Company | Lunar communications system |
EP1986271A1 (de) * | 2007-04-24 | 2008-10-29 | Diseno, Radio y Television, S.L.L. | Antenne mit zirkulärer Polarisation |
US7710342B2 (en) * | 2007-05-24 | 2010-05-04 | Spx Corporation | Crossed-dipole antenna for low-loss IBOC transmission from a common radiator apparatus and method |
KR20140136516A (ko) * | 2012-03-26 | 2014-11-28 | 갈트로닉스 코포레이션 리미티드 | 이중 편파 안테나를 위한 격리 구조 |
US8686913B1 (en) | 2013-02-20 | 2014-04-01 | Src, Inc. | Differential vector sensor |
US9819082B2 (en) | 2014-11-03 | 2017-11-14 | Northrop Grumman Systems Corporation | Hybrid electronic/mechanical scanning array antenna |
US10109917B2 (en) | 2015-09-30 | 2018-10-23 | Raytheon Company | Cupped antenna |
US10389015B1 (en) * | 2016-07-14 | 2019-08-20 | Mano D. Judd | Dual polarization antenna |
TWI754886B (zh) * | 2020-01-16 | 2022-02-11 | 四零四科技股份有限公司 | 可調式無線基地台 |
CA3190876A1 (en) | 2020-08-28 | 2022-03-03 | Amr Abdelmonem | Method and system for mitigating interference by rotating antenna structures |
US11502404B1 (en) | 2022-03-31 | 2022-11-15 | Isco International, Llc | Method and system for detecting interference and controlling polarization shifting to mitigate the interference |
US11476574B1 (en) | 2022-03-31 | 2022-10-18 | Isco International, Llc | Method and system for driving polarization shifting to mitigate interference |
US11476585B1 (en) | 2022-03-31 | 2022-10-18 | Isco International, Llc | Polarization shifting devices and systems for interference mitigation |
US11509071B1 (en) | 2022-05-26 | 2022-11-22 | Isco International, Llc | Multi-band polarization rotation for interference mitigation |
US11515652B1 (en) * | 2022-05-26 | 2022-11-29 | Isco International, Llc | Dual shifter devices and systems for polarization rotation to mitigate interference |
US11509072B1 (en) | 2022-05-26 | 2022-11-22 | Isco International, Llc | Radio frequency (RF) polarization rotation devices and systems for interference mitigation |
US11949489B1 (en) | 2022-10-17 | 2024-04-02 | Isco International, Llc | Method and system for improving multiple-input-multiple-output (MIMO) beam isolation via alternating polarization |
US11990976B2 (en) | 2022-10-17 | 2024-05-21 | Isco International, Llc | Method and system for polarization adaptation to reduce propagation loss for a multiple-input-multiple-output (MIMO) antenna |
US11985692B2 (en) | 2022-10-17 | 2024-05-14 | Isco International, Llc | Method and system for antenna integrated radio (AIR) downlink and uplink beam polarization adaptation |
US11956058B1 (en) | 2022-10-17 | 2024-04-09 | Isco International, Llc | Method and system for mobile device signal to interference plus noise ratio (SINR) improvement via polarization adjusting/optimization |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2539657A (en) * | 1942-10-16 | 1951-01-30 | Rca Corp | Parabolic antenna system for radio locators |
US2759182A (en) * | 1945-03-24 | 1956-08-14 | Bell Telephone Labor Inc | Directive antenna systems |
BE633776A (de) * | 1962-07-10 | |||
US3518687A (en) * | 1966-12-09 | 1970-06-30 | Us Air Force | Microwave antenna side lobe and beam reduction apparatus |
US3740754A (en) * | 1972-05-24 | 1973-06-19 | Gte Sylvania Inc | Broadband cup-dipole and cup-turnstile antennas |
FR2581257B1 (fr) * | 1982-06-08 | 1988-05-13 | Thomson Csf | Antenne a balayage conique et utilisation d'une telle antenne dans un radar de poursuite |
US4668956A (en) * | 1985-04-12 | 1987-05-26 | Jampro Antennas, Inc. | Broadband cup antennas |
-
1995
- 1995-01-27 EP EP95101092A patent/EP0666611B1/de not_active Expired - Lifetime
- 1995-01-27 DE DE69521728T patent/DE69521728T2/de not_active Expired - Lifetime
- 1995-01-31 JP JP7014693A patent/JPH088641A/ja active Pending
- 1995-09-06 US US08/524,734 patent/US5929820A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5929820A (en) | 1999-07-27 |
JPH088641A (ja) | 1996-01-12 |
EP0666611B1 (de) | 2001-07-18 |
DE69521728T2 (de) | 2002-05-08 |
EP0666611A1 (de) | 1995-08-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |