HK1020804A1 - Dual frequency band quadrifilar helix antenna systems and methods - Google Patents

Dual frequency band quadrifilar helix antenna systems and methods

Info

Publication number
HK1020804A1
HK1020804A1 HK99105293A HK99105293A HK1020804A1 HK 1020804 A1 HK1020804 A1 HK 1020804A1 HK 99105293 A HK99105293 A HK 99105293A HK 99105293 A HK99105293 A HK 99105293A HK 1020804 A1 HK1020804 A1 HK 1020804A1
Authority
HK
Hong Kong
Prior art keywords
methods
frequency band
antenna systems
dual frequency
helix antenna
Prior art date
Application number
HK99105293A
Other languages
English (en)
Inventor
Gregory A O'nell Jr
Original Assignee
Ericsson 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 Ericsson Inc filed Critical Ericsson Inc
Publication of HK1020804A1 publication Critical patent/HK1020804A1/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • H01Q1/525—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between emitting and receiving antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
HK99105293A 1996-12-20 1999-11-16 Dual frequency band quadrifilar helix antenna systems and methods HK1020804A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/770,904 US5909196A (en) 1996-12-20 1996-12-20 Dual frequency band quadrifilar helix antenna systems and methods
PCT/US1997/023325 WO1998028817A1 (en) 1996-12-20 1997-12-16 Dual frequency band quadrifilar helix antenna systems and methods

Publications (1)

Publication Number Publication Date
HK1020804A1 true HK1020804A1 (en) 2000-05-19

Family

ID=25090068

Family Applications (1)

Application Number Title Priority Date Filing Date
HK99105293A HK1020804A1 (en) 1996-12-20 1999-11-16 Dual frequency band quadrifilar helix antenna systems and methods

Country Status (8)

Country Link
US (1) US5909196A (xx)
EP (1) EP0944930B1 (xx)
CN (1) CN1117413C (xx)
AU (1) AU5609598A (xx)
DE (1) DE69723103D1 (xx)
HK (1) HK1020804A1 (xx)
ID (1) ID24493A (xx)
WO (1) WO1998028817A1 (xx)

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US9742058B1 (en) 2015-08-06 2017-08-22 Gregory A. O'Neill, Jr. Deployable quadrifilar helical antenna
US10965012B2 (en) * 2015-08-28 2021-03-30 Huawei Technologies Co., Ltd. Multi-filar helical antenna
US10044108B2 (en) 2016-01-14 2018-08-07 The Johns Hopkins University Helical antenna apparatus and methods
GB2550375B (en) 2016-05-17 2021-12-01 Creo Medical Ltd Electrosurgical cutting tool
GB2550414A (en) * 2016-05-20 2017-11-22 Creo Medical Ltd Antenna structure
US10700430B1 (en) 2016-12-04 2020-06-30 Maxtena, Inc. Parasitic multifilar multiband antenna
US10693242B2 (en) * 2017-01-12 2020-06-23 Huawei Technologies Co., Ltd. Miniaturization of quad port helical antenna
WO2018167353A1 (en) * 2017-03-17 2018-09-20 Bittium Wireless Oy Quadrifilar helical antenna for communicating in a plurality of different frequency bands
JP6925903B2 (ja) * 2017-08-02 2021-08-25 矢崎総業株式会社 アンテナ
US10700428B2 (en) * 2018-02-06 2020-06-30 Harris Solutions NY, Inc. Dual band octafilar antenna
US10686250B1 (en) * 2018-07-11 2020-06-16 Rockwell Collins, Inc. Cup antenna radio
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EP4016797A1 (en) * 2020-12-15 2022-06-22 Capri Medical Limited Wireless power transfer systems for an implantable medical device

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Also Published As

Publication number Publication date
AU5609598A (en) 1998-07-17
US5909196A (en) 1999-06-01
CN1117413C (zh) 2003-08-06
EP0944930A1 (en) 1999-09-29
WO1998028817A1 (en) 1998-07-02
EP0944930B1 (en) 2003-06-25
ID24493A (id) 2000-07-20
DE69723103D1 (de) 2003-07-31
CN1241307A (zh) 2000-01-12

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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: 20061216