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TW350156B - Coupled multi-segment helical antenna - Google Patents

Coupled multi-segment helical antenna

Info

Publication number
TW350156B
TW350156B TW086106083A TW86106083A TW350156B TW 350156 B TW350156 B TW 350156B TW 086106083 A TW086106083 A TW 086106083A TW 86106083 A TW86106083 A TW 86106083A TW 350156 B TW350156 B TW 350156B
Authority
TW
Taiwan
Prior art keywords
emitter
helical antenna
coupled multi
extended
segment helical
Prior art date
Application number
TW086106083A
Other languages
English (en)
Inventor
Daniel Filipovic
Ali Tassoudji
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of TW350156B publication Critical patent/TW350156B/zh

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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
TW086106083A 1996-04-30 1997-05-07 Coupled multi-segment helical antenna TW350156B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/640,298 US5990847A (en) 1996-04-30 1996-04-30 Coupled multi-segment helical antenna

Publications (1)

Publication Number Publication Date
TW350156B true TW350156B (en) 1999-01-11

Family

ID=24567687

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086106083A TW350156B (en) 1996-04-30 1997-05-07 Coupled multi-segment helical antenna

Country Status (14)

Country Link
US (1) US5990847A (zh)
EP (1) EP0836754B1 (zh)
JP (1) JP3662591B2 (zh)
KR (1) KR100696158B1 (zh)
CN (1) CN1110106C (zh)
AT (1) ATE227472T1 (zh)
AU (1) AU737996B2 (zh)
BR (1) BR9702289A (zh)
CA (1) CA2225954C (zh)
DE (1) DE69716851T2 (zh)
MX (1) MX9800171A (zh)
RU (1) RU2222077C2 (zh)
TW (1) TW350156B (zh)
WO (1) WO1997041695A2 (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5990847A (en) * 1996-04-30 1999-11-23 Qualcomm Incorporated Coupled multi-segment helical antenna
US5986620A (en) * 1996-07-31 1999-11-16 Qualcomm Incorporated Dual-band coupled segment helical antenna
JP3314654B2 (ja) * 1997-03-14 2002-08-12 日本電気株式会社 ヘリカルアンテナ
CN1199320C (zh) * 1997-03-27 2005-04-27 高通股份有限公司 天线和用于天线的馈电网络
US6184844B1 (en) 1997-03-27 2001-02-06 Qualcomm Incorporated Dual-band helical antenna
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US6329962B2 (en) * 1998-08-04 2001-12-11 Telefonaktiebolaget Lm Ericsson (Publ) Multiple band, multiple branch antenna for mobile phone
FI113814B (fi) 1997-11-27 2004-06-15 Nokia Corp Monilankaiset helix-antennit
SE514530C2 (sv) * 1998-05-18 2001-03-12 Allgon Ab Antennanordning omfattande kapacitivt kopplade radiotorelement och en handburen radiokommunikationsanordning för en sådan antennanordning
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CA2244407C (en) * 1998-08-04 2006-02-14 Vistar Telecommunications Inc. Low profile mobile satellite antenna
US6781549B1 (en) 1999-10-12 2004-08-24 Galtronics Ltd. Portable antenna
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US7973733B2 (en) 2003-04-25 2011-07-05 Qualcomm Incorporated Electromagnetically coupled end-fed elliptical dipole for ultra-wide band systems
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WO2008008904A1 (en) * 2006-07-12 2008-01-17 Mobile Satellite Ventures, Lp Miniaturized quadrifilar helix antenna
GB0700276D0 (en) * 2007-01-08 2007-02-14 Sarantel Ltd A dielectrically-loaded antenna
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US8089421B2 (en) * 2008-01-08 2012-01-03 Sarantel Limited Dielectrically loaded antenna
WO2010103264A1 (en) * 2009-03-12 2010-09-16 Sarantel Limited A dielectrically loaded antenna
US8106846B2 (en) 2009-05-01 2012-01-31 Applied Wireless Identifications Group, Inc. Compact circular polarized antenna
US8456375B2 (en) * 2009-05-05 2013-06-04 Sarantel Limited Multifilar antenna
US8618998B2 (en) 2009-07-21 2013-12-31 Applied Wireless Identifications Group, Inc. Compact circular polarized antenna with cavity for additional devices
US9780435B2 (en) 2011-12-05 2017-10-03 Adasa Inc. Aerial inventory antenna
US10476130B2 (en) 2011-12-05 2019-11-12 Adasa Inc. Aerial inventory antenna
US11093722B2 (en) 2011-12-05 2021-08-17 Adasa Inc. Holonomic RFID reader
US10050330B2 (en) 2011-12-05 2018-08-14 Adasa Inc. Aerial inventory antenna
US10846497B2 (en) 2011-12-05 2020-11-24 Adasa Inc. Holonomic RFID reader
JP5422717B1 (ja) * 2012-09-28 2014-02-19 原田工業株式会社 低背型アンテナ装置
US10700430B1 (en) * 2016-12-04 2020-06-30 Maxtena, Inc. Parasitic multifilar multiband antenna
JP2023539211A (ja) 2020-10-16 2023-09-13 エルジー・ケム・リミテッド ポリカーボネートおよびその製造方法
KR102517520B1 (ko) 2020-10-16 2023-04-04 주식회사 엘지화학 폴리카보네이트 및 이의 제조방법
KR102865680B1 (ko) 2021-01-29 2025-09-26 주식회사 엘지화학 폴리카보네이트 및 이의 제조방법
KR102865742B1 (ko) 2021-01-29 2025-09-26 주식회사 엘지화학 폴리카보네이트 및 이의 제조방법
US12060148B2 (en) 2022-08-16 2024-08-13 Honeywell International Inc. Ground resonance detection and warning system and method

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US4349824A (en) * 1980-10-01 1982-09-14 The United States Of America As Represented By The Secretary Of The Navy Around-a-mast quadrifilar microstrip antenna
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US5223849A (en) * 1986-11-25 1993-06-29 Chomerics, Inc. Broadband electromagnetic energy absorber
FR2624656B1 (fr) * 1987-12-10 1990-05-18 Centre Nat Etd Spatiales Antenne de type helice et son procede de realisation
FR2654554B1 (fr) * 1989-11-10 1992-07-31 France Etat Antenne en helice, quadrifilaire, resonnante bicouche.
JP2832476B2 (ja) * 1990-02-14 1998-12-09 望 長谷部 ヘリカルアンテナ
US5198831A (en) * 1990-09-26 1993-03-30 501 Pronav International, Inc. Personal positioning satellite navigator with printed quadrifilar helical antenna
JP3185233B2 (ja) * 1991-03-18 2001-07-09 株式会社日立製作所 携帯無線機用小型アンテナ
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US5485170A (en) * 1993-05-10 1996-01-16 Amsc Subsidiary Corporation MSAT mast antenna with reduced frequency scanning
US5479180A (en) * 1994-03-23 1995-12-26 The United States Of America As Represented By The Secretary Of The Army High power ultra broadband antenna
US5450093A (en) * 1994-04-20 1995-09-12 The United States Of America As Represented By The Secretary Of The Navy Center-fed multifilar helix antenna
EP0715369B1 (en) * 1994-12-01 1999-07-28 Indian Space Research Organisation A multiband antenna system
US5581268A (en) * 1995-08-03 1996-12-03 Globalstar L.P. Method and apparatus for increasing antenna efficiency for hand-held mobile satellite communications terminal
US5600341A (en) * 1995-08-21 1997-02-04 Motorola, Inc. Dual function antenna structure and a portable radio having same
US5828348A (en) * 1995-09-22 1998-10-27 Qualcomm Incorporated Dual-band octafilar helix antenna
US5990847A (en) * 1996-04-30 1999-11-23 Qualcomm Incorporated Coupled multi-segment helical antenna
US5986620A (en) * 1996-07-31 1999-11-16 Qualcomm Incorporated Dual-band coupled segment helical antenna
DE19738150A1 (de) * 1997-09-01 1999-03-11 Mahlo Gmbh & Co Kg Verfahren zur Erkennung des Feuchtegrades

Also Published As

Publication number Publication date
RU2222077C2 (ru) 2004-01-20
CN1110106C (zh) 2003-05-28
AU737996B2 (en) 2001-09-06
JP3662591B2 (ja) 2005-06-22
DE69716851D1 (de) 2002-12-12
US5990847A (en) 1999-11-23
WO1997041695A3 (en) 1998-02-05
DE69716851T2 (de) 2003-09-11
EP0836754B1 (en) 2002-11-06
MX9800171A (es) 1998-03-31
JPH11509076A (ja) 1999-08-03
AU3956997A (en) 1997-11-19
CA2225954C (en) 2003-08-05
KR19990028387A (ko) 1999-04-15
EP0836754A2 (en) 1998-04-22
HK1010965A1 (zh) 1999-07-02
CN1216165A (zh) 1999-05-05
ATE227472T1 (de) 2002-11-15
CA2225954A1 (en) 1997-11-06
BR9702289A (pt) 1999-09-21
KR100696158B1 (ko) 2007-06-04
WO1997041695A2 (en) 1997-11-06

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Legal Events

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MK4A Expiration of patent term of an invention patent