DK0776531T3 - Antenne - Google Patents

Antenne

Info

Publication number
DK0776531T3
DK0776531T3 DK96922487T DK96922487T DK0776531T3 DK 0776531 T3 DK0776531 T3 DK 0776531T3 DK 96922487 T DK96922487 T DK 96922487T DK 96922487 T DK96922487 T DK 96922487T DK 0776531 T3 DK0776531 T3 DK 0776531T3
Authority
DK
Denmark
Prior art keywords
helix
conductors
wound
double
double helix
Prior art date
Application number
DK96922487T
Other languages
English (en)
Inventor
Ray C Wallace
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 DK0776531T3 publication Critical patent/DK0776531T3/da

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
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/362—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith for broadside radiating helical antennas

Landscapes

  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
  • Press Drives And Press Lines (AREA)
DK96922487T 1995-06-16 1996-06-17 Antenne DK0776531T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/490,925 US5708448A (en) 1995-06-16 1995-06-16 Double helix antenna system
PCT/US1996/010459 WO1997000542A1 (en) 1995-06-16 1996-06-17 Double helix antenna system

Publications (1)

Publication Number Publication Date
DK0776531T3 true DK0776531T3 (da) 2002-11-04

Family

ID=23950073

Family Applications (1)

Application Number Title Priority Date Filing Date
DK96922487T DK0776531T3 (da) 1995-06-16 1996-06-17 Antenne

Country Status (15)

Country Link
US (1) US5708448A (da)
EP (1) EP0776531B1 (da)
CN (1) CN1158188A (da)
AT (1) ATE223622T1 (da)
AU (1) AU701389B2 (da)
CA (1) CA2199724C (da)
DE (1) DE69623415T2 (da)
DK (1) DK0776531T3 (da)
ES (1) ES2182997T3 (da)
FI (1) FI970814A (da)
HK (1) HK1012780A1 (da)
MX (1) MX9701580A (da)
PT (1) PT776531E (da)
RU (1) RU2172046C2 (da)
WO (1) WO1997000542A1 (da)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3098430B2 (ja) * 1996-08-30 2000-10-16 埼玉日本電気株式会社 携帯無線機用ヘリカルアンテナ
US5945964A (en) * 1997-02-19 1999-08-31 Motorola, Inc. Multi-band antenna structure for a portable radio
US6204810B1 (en) 1997-05-09 2001-03-20 Smith Technology Development, Llc Communications system
US6311045B1 (en) * 1997-07-28 2001-10-30 Roke Manor Research Limited Apparatus for signal isolation in a radio transmitter-receiver
US6127979A (en) * 1998-02-27 2000-10-03 Motorola, Inc. Antenna adapted to operate in a plurality of frequency bands
US6137996A (en) * 1998-07-20 2000-10-24 Motorola, Inc. Apparatus and method for overcoming the effects of signal loss due to a multipath environment in a mobile wireless telephony system
KR100291554B1 (ko) * 1998-09-25 2001-07-12 김춘호 이동통신단말기용이중대역안테나
SE514773C2 (sv) * 1998-09-28 2001-04-23 Allgon Ab Radiokommunikationsenhet och antennsystem
US6078298A (en) * 1998-10-26 2000-06-20 Terk Technologies Corporation Di-pole wide bandwidth antenna
EP1129506A1 (en) 1998-11-09 2001-09-05 Stephen H. Smith Cavity-driven antenna system
GB2354115A (en) * 1999-09-09 2001-03-14 Univ Surrey Adaptive multifilar antenna
JP2001189604A (ja) * 1999-12-28 2001-07-10 Nec Corp 送受共用器及びそれを使用したアンテナ装置
US6275198B1 (en) 2000-01-11 2001-08-14 Motorola, Inc. Wide band dual mode antenna
US6373448B1 (en) 2001-04-13 2002-04-16 Luxul Corporation Antenna for broadband wireless communications
US8228235B2 (en) * 2004-03-15 2012-07-24 Elta Systems Ltd. High gain antenna for microwave frequencies
US8920343B2 (en) 2006-03-23 2014-12-30 Michael Edward Sabatino Apparatus for acquiring and processing of physiological auditory signals
US20080094307A1 (en) * 2006-10-24 2008-04-24 Com Dev International Ltd. Dual polarized multifilar antenna
US7817101B2 (en) * 2006-10-24 2010-10-19 Com Dev International Ltd. Dual polarized multifilar antenna
US20090102479A1 (en) * 2007-09-24 2009-04-23 Smith Scott R MRI Phase Visualization of Interventional Devices
BR112012007568A2 (pt) * 2009-09-30 2016-08-16 Nippon Soda Co composto fenólico e material para registro
US20110215984A1 (en) * 2010-03-03 2011-09-08 Coburn William O'keefe Coaxial helical antenna
RU2458438C1 (ru) * 2011-07-15 2012-08-10 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" Спиральная антенна
FR3061994A1 (fr) * 2017-01-19 2018-07-20 Tywaves Antenne et ses utilisations
US10461410B2 (en) 2017-02-01 2019-10-29 Calamp Wireless Networks Corporation Coaxial helix antennas
US11444644B2 (en) * 2019-06-17 2022-09-13 Purdue Research Foundation Systems and methods for mitigating multipath radio frequency interference
US11201602B1 (en) 2020-09-17 2021-12-14 Analog Devices, Inc. Apparatus and methods for tunable filtering
US11201600B1 (en) 2020-10-05 2021-12-14 Analog Devices, Inc. Apparatus and methods for control and calibration of tunable filters

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3111669A (en) * 1960-11-25 1963-11-19 All American Eng Co Omnidirectional signal receiving system
US3940772A (en) * 1974-11-08 1976-02-24 Rca Corporation Circularly polarized, broadside firing tetrahelical antenna
US4011567A (en) * 1976-01-28 1977-03-08 Rca Corporation Circularly polarized, broadside firing, multihelical antenna
US4160979A (en) * 1976-06-21 1979-07-10 National Research Development Corporation Helical radio antennae
FR2654554B1 (fr) * 1989-11-10 1992-07-31 France Etat Antenne en helice, quadrifilaire, resonnante bicouche.
GB2246910B (en) * 1990-08-02 1994-12-14 Polytechnic Electronics Plc A radio frequency antenna
US5346300A (en) * 1991-07-05 1994-09-13 Sharp Kabushiki Kaisha Back fire helical antenna
US5349365A (en) * 1991-10-21 1994-09-20 Ow Steven G Quadrifilar helix antenna
GB2271670B (en) * 1992-10-14 1996-10-16 Nokia Mobile Phones Uk Wideband antenna arrangement
SE512062C2 (sv) * 1993-07-14 2000-01-17 Ericsson Ge Mobile Communicat Förfarande och anordning för att förbättra effektivitet och bandbredd för en antenn på en bärbar utrustning
AUPM277293A0 (en) * 1993-12-06 1994-01-06 Radio Frequency Systems Pty Limited Antenna assembly

Also Published As

Publication number Publication date
EP0776531A1 (en) 1997-06-04
DE69623415T2 (de) 2003-04-30
CN1158188A (zh) 1997-08-27
ATE223622T1 (de) 2002-09-15
FI970814A (fi) 1997-03-25
RU2172046C2 (ru) 2001-08-10
AU6334696A (en) 1997-01-15
AU701389B2 (en) 1999-01-28
US5708448A (en) 1998-01-13
PT776531E (pt) 2002-12-31
WO1997000542A1 (en) 1997-01-03
FI970814A0 (fi) 1997-02-26
ES2182997T3 (es) 2003-03-16
CA2199724A1 (en) 1997-01-03
CA2199724C (en) 2002-08-20
MX9701580A (es) 1997-05-31
DE69623415D1 (de) 2002-10-10
EP0776531B1 (en) 2002-09-04
HK1012780A1 (en) 1999-08-06

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