HK1010965A1 - Coupled multi-segment helical antenna - Google Patents

Coupled multi-segment helical antenna

Info

Publication number
HK1010965A1
HK1010965A1 HK98110015A HK98110015A HK1010965A1 HK 1010965 A1 HK1010965 A1 HK 1010965A1 HK 98110015 A HK98110015 A HK 98110015A HK 98110015 A HK98110015 A HK 98110015A HK 1010965 A1 HK1010965 A1 HK 1010965A1
Authority
HK
Hong Kong
Prior art keywords
radiator
segment
helical antenna
coupled multi
radiator portion
Prior art date
Application number
HK98110015A
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
Publication of HK1010965A1 publication Critical patent/HK1010965A1/xx

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)
HK98110015A 1996-04-30 1998-08-19 Coupled multi-segment helical antenna HK1010965A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/640,298 US5990847A (en) 1996-04-30 1996-04-30 Coupled multi-segment helical antenna
PCT/US1997/007110 WO1997041695A2 (en) 1996-04-30 1997-04-28 Coupled multi-segment helical antenna

Publications (1)

Publication Number Publication Date
HK1010965A1 true HK1010965A1 (en) 1999-07-02

Family

ID=24567687

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98110015A HK1010965A1 (en) 1996-04-30 1998-08-19 Coupled multi-segment helical antenna

Country Status (15)

Country Link
US (1) US5990847A (es)
EP (1) EP0836754B1 (es)
JP (1) JP3662591B2 (es)
KR (1) KR100696158B1 (es)
CN (1) CN1110106C (es)
AT (1) ATE227472T1 (es)
AU (1) AU737996B2 (es)
BR (1) BR9702289A (es)
CA (1) CA2225954C (es)
DE (1) DE69716851T2 (es)
HK (1) HK1010965A1 (es)
MX (1) MX9800171A (es)
RU (1) RU2222077C2 (es)
TW (1) TW350156B (es)
WO (1) WO1997041695A2 (es)

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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
US6184844B1 (en) 1997-03-27 2001-02-06 Qualcomm Incorporated Dual-band helical antenna
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US8089421B2 (en) * 2008-01-08 2012-01-03 Sarantel Limited Dielectrically loaded antenna
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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
US10846497B2 (en) 2011-12-05 2020-11-24 Adasa Inc. Holonomic RFID reader
US9780435B2 (en) 2011-12-05 2017-10-03 Adasa Inc. Aerial inventory antenna
US10050330B2 (en) 2011-12-05 2018-08-14 Adasa Inc. Aerial inventory antenna
US11093722B2 (en) 2011-12-05 2021-08-17 Adasa Inc. Holonomic RFID reader
US10476130B2 (en) 2011-12-05 2019-11-12 Adasa Inc. Aerial inventory antenna
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
KR102517520B1 (ko) 2020-10-16 2023-04-04 주식회사 엘지화학 폴리카보네이트 및 이의 제조방법
WO2022080938A1 (ko) 2020-10-16 2022-04-21 주식회사 엘지화학 폴리카보네이트 및 이의 제조방법
KR20220109860A (ko) 2021-01-29 2022-08-05 주식회사 엘지화학 폴리카보네이트 및 이의 제조방법
KR20220109858A (ko) 2021-01-29 2022-08-05 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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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
KR100696158B1 (ko) 2007-06-04
EP0836754B1 (en) 2002-11-06
WO1997041695A3 (en) 1998-02-05
JP3662591B2 (ja) 2005-06-22
JPH11509076A (ja) 1999-08-03
BR9702289A (pt) 1999-09-21
EP0836754A2 (en) 1998-04-22
RU2222077C2 (ru) 2004-01-20
DE69716851D1 (de) 2002-12-12
US5990847A (en) 1999-11-23
KR19990028387A (ko) 1999-04-15
AU3956997A (en) 1997-11-19
AU737996B2 (en) 2001-09-06
ATE227472T1 (de) 2002-11-15
DE69716851T2 (de) 2003-09-11
CA2225954A1 (en) 1997-11-06
TW350156B (en) 1999-01-11
CN1216165A (zh) 1999-05-05
CA2225954C (en) 2003-08-05
MX9800171A (es) 1998-03-31
CN1110106C (zh) 2003-05-28
WO1997041695A2 (en) 1997-11-06

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20110428