IL135592A - Broadband antenna system with a single aperture for detecting RHCP and LHCP signal direction - Google Patents
Broadband antenna system with a single aperture for detecting RHCP and LHCP signal directionInfo
- Publication number
- IL135592A IL135592A IL13559200A IL13559200A IL135592A IL 135592 A IL135592 A IL 135592A IL 13559200 A IL13559200 A IL 13559200A IL 13559200 A IL13559200 A IL 13559200A IL 135592 A IL135592 A IL 135592A
- Authority
- IL
- Israel
- Prior art keywords
- antenna
- feeds
- modeformer
- arms
- signals
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
- H01Q9/27—Spiral antennas
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/333,760 US6130652A (en) | 1999-06-15 | 1999-06-15 | Wideband, dual RHCP, LHCP single aperture direction finding antenna system |
Publications (2)
Publication Number | Publication Date |
---|---|
IL135592A0 IL135592A0 (en) | 2001-05-20 |
IL135592A true IL135592A (en) | 2004-06-20 |
Family
ID=23304151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL13559200A IL135592A (en) | 1999-06-15 | 2000-04-11 | Broadband antenna system with a single aperture for detecting RHCP and LHCP signal direction |
Country Status (4)
Country | Link |
---|---|
US (1) | US6130652A (de) |
EP (1) | EP1061605B1 (de) |
DE (1) | DE60014504T2 (de) |
IL (1) | IL135592A (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19929879A1 (de) * | 1999-06-29 | 2001-01-18 | Bosch Gmbh Robert | Spiralantenne |
US7075500B2 (en) * | 2004-09-24 | 2006-07-11 | Avocent California Corporation | Antenna for wireless KVM, and housing therefor |
DE102005008063B4 (de) * | 2005-02-22 | 2008-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Antenne |
US8427489B2 (en) * | 2006-08-10 | 2013-04-23 | Avocent Huntsville Corporation | Rack interface pod with intelligent platform control |
US20090095908A1 (en) * | 2007-10-16 | 2009-04-16 | Imaging Source, Llc | Apparatus and methods for converting ambient heat to electricity |
US7755557B2 (en) * | 2007-10-31 | 2010-07-13 | Raven Antenna Systems Inc. | Cross-polar compensating feed horn and method of manufacture |
KR20110138739A (ko) * | 2010-06-21 | 2011-12-28 | 주식회사 모비텍 | 이중 편파 방사가 가능한 레이더 안테나 및 이를 포함하는 레이더 시스템 |
US9257736B1 (en) * | 2010-09-02 | 2016-02-09 | The United States Of America As Represented By The Secretary Of The Navy | Broadband spiral transmission line power splitter |
US10177451B1 (en) | 2014-08-26 | 2019-01-08 | Ball Aerospace & Technologies Corp. | Wideband adaptive beamforming methods and systems |
NL2018147B1 (en) * | 2017-01-09 | 2018-07-25 | The Antenna Company International N V | GNSS antenna, GNSS module, and vehicle having such a GNSS module |
US11088455B2 (en) * | 2018-06-28 | 2021-08-10 | Taoglas Group Holdings Limited | Spiral wideband low frequency antenna |
KR102048996B1 (ko) * | 2018-12-18 | 2019-11-27 | 국방과학연구소 | 교차편파 격리도 개선 위한 이중선형 편파 시뉴어스 안테나 |
US11588225B2 (en) | 2020-10-14 | 2023-02-21 | Bae Systems Information And Electronic Systems Integration Inc. | Low profile antenna |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3562756A (en) * | 1968-06-03 | 1971-02-09 | Texas Instruments Inc | Multiple polarization spiral antenna |
US3681772A (en) * | 1970-12-31 | 1972-08-01 | Trw Inc | Modulated arm width spiral antenna |
US4584582A (en) * | 1981-08-31 | 1986-04-22 | Motorola, Inc. | Multi-mode direction finding antenna |
US4630064A (en) * | 1983-09-30 | 1986-12-16 | The Boeing Company | Spiral antenna with selectable impedance |
US4658262A (en) * | 1985-02-19 | 1987-04-14 | Duhamel Raymond H | Dual polarized sinuous antennas |
US5162806A (en) * | 1990-02-05 | 1992-11-10 | Raytheon Company | Planar antenna with lens for controlling beam widths from two portions thereof at different frequencies |
US5451973A (en) * | 1993-11-02 | 1995-09-19 | Trw Inc. | Multi-mode dual circularly polarized spiral antenna |
US5777579A (en) * | 1997-02-13 | 1998-07-07 | Trw Inc. | Low cost butler matrix modeformer circuit |
-
1999
- 1999-06-15 US US09/333,760 patent/US6130652A/en not_active Expired - Lifetime
-
2000
- 2000-04-11 IL IL13559200A patent/IL135592A/en not_active IP Right Cessation
- 2000-06-14 DE DE60014504T patent/DE60014504T2/de not_active Expired - Lifetime
- 2000-06-14 EP EP00111921A patent/EP1061605B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IL135592A0 (en) | 2001-05-20 |
DE60014504T2 (de) | 2005-10-13 |
EP1061605A3 (de) | 2003-01-02 |
EP1061605B1 (de) | 2004-10-06 |
EP1061605A2 (de) | 2000-12-20 |
US6130652A (en) | 2000-10-10 |
DE60014504D1 (de) | 2004-11-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Patent granted | ||
KB | Patent renewed | ||
MM9K | Patent not in force due to non-payment of renewal fees |