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 direction

Info

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
Application number
IL13559200A
Other languages
English (en)
Hebrew (he)
Other versions
IL135592A0 (en
Original Assignee
Trw Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Trw Inc filed Critical Trw Inc
Publication of IL135592A0 publication Critical patent/IL135592A0/xx
Publication of IL135592A publication Critical patent/IL135592A/en

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)
IL13559200A 1999-06-15 2000-04-11 Broadband antenna system with a single aperture for detecting RHCP and LHCP signal direction IL135592A (en)

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 (fr)
EP (1) EP1061605B1 (fr)
DE (1) DE60014504T2 (fr)
IL (1) IL135592A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE60014504D1 (de) 2004-11-11
EP1061605A2 (fr) 2000-12-20
IL135592A0 (en) 2001-05-20
EP1061605A3 (fr) 2003-01-02
EP1061605B1 (fr) 2004-10-06
US6130652A (en) 2000-10-10
DE60014504T2 (de) 2005-10-13

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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