AU2308200A - Helical antenna for frequencies in excess of 200 mhz - Google Patents

Helical antenna for frequencies in excess of 200 mhz

Info

Publication number
AU2308200A
AU2308200A AU23082/00A AU2308200A AU2308200A AU 2308200 A AU2308200 A AU 2308200A AU 23082/00 A AU23082/00 A AU 23082/00A AU 2308200 A AU2308200 A AU 2308200A AU 2308200 A AU2308200 A AU 2308200A
Authority
AU
Australia
Prior art keywords
core
feeder
mhz
frequencies
excess
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.)
Abandoned
Application number
AU23082/00A
Other languages
English (en)
Inventor
Oliver Paul Leisten
John Costas Vardaxoglou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sarantel Ltd
Original Assignee
Symmetricom 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 Symmetricom Inc filed Critical Symmetricom Inc
Publication of AU2308200A publication Critical patent/AU2308200A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08—Helical antennas

Landscapes

  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
  • Transmitters (AREA)
  • Filters And Equalizers (AREA)
  • Burglar Alarm Systems (AREA)
  • Non-Reversible Transmitting Devices (AREA)
AU23082/00A 1999-02-08 2000-02-03 Helical antenna for frequencies in excess of 200 mhz Abandoned AU2308200A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9902765 1999-02-08
GBGB9902765.8A GB9902765D0 (en) 1999-02-08 1999-02-08 An antenna
PCT/GB2000/000328 WO2000048268A1 (en) 1999-02-08 2000-02-03 Helical antenna for frequencies in excess of 200 mhz

Publications (1)

Publication Number Publication Date
AU2308200A true AU2308200A (en) 2000-08-29

Family

ID=10847319

Family Applications (1)

Application Number Title Priority Date Filing Date
AU23082/00A Abandoned AU2308200A (en) 1999-02-08 2000-02-03 Helical antenna for frequencies in excess of 200 mhz

Country Status (10)

Country Link
US (1) US6369776B1 (enExample)
EP (1) EP1153458B1 (enExample)
JP (1) JP4159749B2 (enExample)
KR (1) KR100667216B1 (enExample)
CN (1) CN1189980C (enExample)
AT (1) ATE242551T1 (enExample)
AU (1) AU2308200A (enExample)
DE (1) DE60003157T2 (enExample)
GB (2) GB9902765D0 (enExample)
WO (1) WO2000048268A1 (enExample)

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CN103138038B (zh) * 2013-02-26 2015-05-27 北京空间飞行器总体设计部 一种测控天线的阻抗匹配方法
CN109643855B (zh) * 2017-06-30 2020-06-26 华为技术有限公司 多频段天线的天馈组件和多频段天线
CN110739539A (zh) * 2019-10-12 2020-01-31 南京理工大学 一种240.5MHz~242.5MHz的电小天线
KR102145818B1 (ko) 2020-05-15 2020-08-21 (주)세명 고주파 능동형 안테나
CN113588305B (zh) * 2021-07-13 2022-03-29 华中科技大学 一种用于微波辅助稳态预混燃烧研究的装置
CN116345149B (zh) * 2023-05-29 2023-09-26 中国铁道科学研究院集团有限公司通信信号研究所 一种超宽带高隔离度5g车载天线及通信系统

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Also Published As

Publication number Publication date
KR20010101766A (ko) 2001-11-14
JP4159749B2 (ja) 2008-10-01
GB2367429A (en) 2002-04-03
DE60003157T2 (de) 2004-04-01
EP1153458B1 (en) 2003-06-04
DE60003157D1 (de) 2003-07-10
GB2367429B (en) 2003-08-20
EP1153458A1 (en) 2001-11-14
US6369776B1 (en) 2002-04-09
CN1340225A (zh) 2002-03-13
GB9902765D0 (en) 1999-03-31
WO2000048268A1 (en) 2000-08-17
KR100667216B1 (ko) 2007-01-12
ATE242551T1 (de) 2003-06-15
JP2002536940A (ja) 2002-10-29
CN1189980C (zh) 2005-02-16
GB0120431D0 (en) 2001-10-17

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