FI974352A - Mångtrådiga helixantenner - Google Patents

Mångtrådiga helixantenner Download PDF

Info

Publication number
FI974352A
FI974352A FI974352A FI974352A FI974352A FI 974352 A FI974352 A FI 974352A FI 974352 A FI974352 A FI 974352A FI 974352 A FI974352 A FI 974352A FI 974352 A FI974352 A FI 974352A
Authority
FI
Finland
Prior art keywords
multifunctional
helix antennas
helix
antennas
multifunctional helix
Prior art date
Application number
FI974352A
Other languages
English (en)
Finnish (fi)
Other versions
FI974352A0 (fi
FI113814B (sv
Inventor
Murat Ermutlu
Kalle Kiesi
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI974352A priority Critical patent/FI113814B/sv
Publication of FI974352A0 publication Critical patent/FI974352A0/fi
Priority to EP98660110A priority patent/EP0920073B1/en
Priority to DE69830557T priority patent/DE69830557T2/de
Priority to US09/193,771 priority patent/US6232929B1/en
Priority to JP10335570A priority patent/JPH11234028A/ja
Publication of FI974352A publication Critical patent/FI974352A/sv
Application granted granted Critical
Publication of FI113814B publication Critical patent/FI113814B/sv

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
FI974352A 1997-11-27 1997-11-27 Mångtrådiga helixantenner FI113814B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI974352A FI113814B (sv) 1997-11-27 1997-11-27 Mångtrådiga helixantenner
EP98660110A EP0920073B1 (en) 1997-11-27 1998-10-30 Multi-filar helix antennae
DE69830557T DE69830557T2 (de) 1997-11-27 1998-10-30 Multifilare Wendelantenne
US09/193,771 US6232929B1 (en) 1997-11-27 1998-11-17 Multi-filar helix antennae
JP10335570A JPH11234028A (ja) 1997-11-27 1998-11-26 多条撚り螺旋アンテナ、その製造方法、及びそれを備えた移動通信装置及び衛星電話

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI974352 1997-11-27
FI974352A FI113814B (sv) 1997-11-27 1997-11-27 Mångtrådiga helixantenner

Publications (3)

Publication Number Publication Date
FI974352A0 FI974352A0 (fi) 1997-11-27
FI974352A true FI974352A (sv) 1999-05-28
FI113814B FI113814B (sv) 2004-06-15

Family

ID=8550023

Family Applications (1)

Application Number Title Priority Date Filing Date
FI974352A FI113814B (sv) 1997-11-27 1997-11-27 Mångtrådiga helixantenner

Country Status (5)

Country Link
US (1) US6232929B1 (sv)
EP (1) EP0920073B1 (sv)
JP (1) JPH11234028A (sv)
DE (1) DE69830557T2 (sv)
FI (1) FI113814B (sv)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9417450D0 (en) * 1994-08-25 1994-10-19 Symmetricom Inc An antenna
SE514530C2 (sv) * 1998-05-18 2001-03-12 Allgon Ab Antennanordning omfattande kapacitivt kopplade radiotorelement och en handburen radiokommunikationsanordning för en sådan antennanordning
JP2000341024A (ja) * 1999-05-13 2000-12-08 K Cera Inc ヘリカルアンテナ、その製造装置及び製造方法
FR2814285A1 (fr) * 2000-09-15 2002-03-22 France Telecom Antenne helicoidale a pas variable, et procede correspondant
GB0204014D0 (en) * 2002-02-20 2002-04-03 Univ Surrey Improvements relating to multifilar helix antennas
US7245268B2 (en) * 2004-07-28 2007-07-17 Skycross, Inc. Quadrifilar helical antenna
US7173576B2 (en) * 2004-07-28 2007-02-06 Skycross, Inc. Handset quadrifilar helical antenna mechanical structures
GB2437998B (en) * 2006-05-12 2009-11-11 Sarantel Ltd An antenna system
GB2441566A (en) * 2006-09-06 2008-03-12 Sarantel Ltd An antenna and its feed structure
GB2444749B (en) * 2006-12-14 2009-11-18 Sarantel Ltd A radio communication system
GB2444750B (en) 2006-12-14 2010-04-21 Sarantel Ltd An antenna arrangement
FR2916581B1 (fr) * 2007-05-21 2009-08-28 Cnes Epic Antenne de type helice.
FR2920917B1 (fr) * 2007-09-11 2010-08-20 Centre Nat Etd Spatiales Antenne de type helice a brins rayonnants a motif sinusoidal et procede de fabrication associe.
US8799861B2 (en) * 2008-01-30 2014-08-05 Intuit Inc. Performance-testing a system with functional-test software and a transformation-accelerator
GB0904307D0 (en) * 2009-03-12 2009-04-22 Sarantel Ltd A dielectrically-loaded antenna
US8106846B2 (en) * 2009-05-01 2012-01-31 Applied Wireless Identifications Group, Inc. Compact circular polarized antenna
US8618998B2 (en) 2009-07-21 2013-12-31 Applied Wireless Identifications Group, Inc. Compact circular polarized antenna with cavity for additional devices

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4148030A (en) * 1977-06-13 1979-04-03 Rca Corporation Helical antennas
FR2624656B1 (fr) 1987-12-10 1990-05-18 Centre Nat Etd Spatiales Antenne de type helice et son procede de realisation
FI79210C (sv) 1988-04-18 1989-11-10 Nokia Mobile Phones Ltd Förgreningsnät i kedja för en basstation i ett radiotelefonnät
FI84537C (sv) 1990-01-18 1991-12-10 Nokia Mobile Phones Ltd Diversitetsantennkoppling för en digital mobiltelefon
FI89646C (sv) 1991-03-25 1993-10-25 Nokia Mobile Phones Ltd Antennstav och förfarande för dess framställning
FI92446C (sv) 1992-12-22 1994-11-10 Nokia Mobile Phones Ltd Antenn för en bilradiotelefon
FR2711277B1 (fr) * 1993-10-14 1995-11-10 Alcatel Mobile Comm France Antenne du type pour dispositif radio portable, procédé de fabrication d'une telle antenne et dispositif radio portable comportant une telle antenne.
GB9417450D0 (en) * 1994-08-25 1994-10-19 Symmetricom Inc An antenna
US5489916A (en) 1994-08-26 1996-02-06 Westinghouse Electric Corp. Helical antenna having adjustable beam angle
AU703819B2 (en) 1994-12-22 1999-04-01 Andrew Llc An adjustable helical antenna
GB2299455B (en) * 1995-03-31 1999-12-22 Motorola Inc Self phased antenna element with dielectric and associated method
CN1075251C (zh) * 1995-03-31 2001-11-21 摩托罗拉公司 罩住多臂天线单元的罩子和有关的方法
US5657028A (en) 1995-03-31 1997-08-12 Nokia Moblie Phones Ltd. Small double C-patch antenna contained in a standard PC card
FI98165C (sv) 1995-06-05 1997-04-25 Lk Products Oy Dubbelverkande antenn
US5627550A (en) 1995-06-15 1997-05-06 Nokia Mobile Phones Ltd. Wideband double C-patch antenna including gap-coupled parasitic elements
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
US5680144A (en) 1996-03-13 1997-10-21 Nokia Mobile Phones Limited Wideband, stacked double C-patch antenna having gap-coupled parasitic elements
GB9606593D0 (en) * 1996-03-29 1996-06-05 Symmetricom Inc An antenna system
US5872549A (en) 1996-04-30 1999-02-16 Trw Inc. Feed network for quadrifilar helix antenna
US5990847A (en) 1996-04-30 1999-11-23 Qualcomm Incorporated Coupled multi-segment helical antenna
US6112102A (en) * 1996-10-04 2000-08-29 Telefonaktiebolaget Lm Ericsson Multi-band non-uniform helical antennas

Also Published As

Publication number Publication date
EP0920073A1 (en) 1999-06-02
DE69830557T2 (de) 2006-05-11
EP0920073B1 (en) 2005-06-15
DE69830557D1 (de) 2005-07-21
FI974352A0 (fi) 1997-11-27
FI113814B (sv) 2004-06-15
US6232929B1 (en) 2001-05-15
JPH11234028A (ja) 1999-08-27

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