HK1006608A1 - Miniature antenna - Google Patents

Miniature antenna Download PDF

Info

Publication number
HK1006608A1
HK1006608A1 HK98105584A HK98105584A HK1006608A1 HK 1006608 A1 HK1006608 A1 HK 1006608A1 HK 98105584 A HK98105584 A HK 98105584A HK 98105584 A HK98105584 A HK 98105584A HK 1006608 A1 HK1006608 A1 HK 1006608A1
Authority
HK
Hong Kong
Prior art keywords
antenna
base portion
top loop
length
shaped load
Prior art date
Application number
HK98105584A
Other languages
German (de)
English (en)
French (fr)
Chinese (zh)
Other versions
HK1006608B (en
Inventor
Cassel Erland
Cassel Jan
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 HK1006608B publication Critical patent/HK1006608B/en
Publication of HK1006608A1 publication Critical patent/HK1006608A1/en

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/32—Vertical arrangement of element
    • H01Q9/36—Vertical arrangement of element with top loading

Landscapes

  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
  • Aerials With Secondary Devices (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
HK98105584A 1991-08-16 1998-06-17 Miniature antenna HK1006608A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9102379A SE468917B (sv) 1991-08-16 1991-08-16 Miniatyrantenn
SE9102379 1991-08-16

Publications (2)

Publication Number Publication Date
HK1006608B HK1006608B (en) 1999-03-05
HK1006608A1 true HK1006608A1 (en) 1999-03-05

Family

ID=20383488

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98105584A HK1006608A1 (en) 1991-08-16 1998-06-17 Miniature antenna

Country Status (13)

Country Link
US (1) US5592184A (enExample)
EP (1) EP0528775B1 (enExample)
JP (1) JP3382972B2 (enExample)
AT (1) ATE142822T1 (enExample)
AU (1) AU649866B2 (enExample)
CA (1) CA2074015C (enExample)
DE (1) DE69213621T2 (enExample)
FI (1) FI112725B (enExample)
HK (1) HK1006608A1 (enExample)
MX (1) MX9204664A (enExample)
SE (1) SE468917B (enExample)
SG (1) SG52224A1 (enExample)
TW (1) TW223188B (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0743699B1 (en) * 1995-05-17 2001-09-12 Murata Manufacturing Co., Ltd. Surface mounting type antenna system
WO1997018601A1 (en) * 1995-11-15 1997-05-22 Allgon Ab Dual band antenna means
DE19604034A1 (de) * 1996-02-05 1997-08-07 Aeg Mobile Communication Endgespeiste Vertikalantenne für Handfunkgeräte
JP3146994B2 (ja) * 1996-08-22 2001-03-19 株式会社村田製作所 アンテナ及びその共振周波数調整方法
JP3047836B2 (ja) * 1996-11-07 2000-06-05 株式会社村田製作所 ミアンダラインアンテナ
JP3580654B2 (ja) * 1996-12-04 2004-10-27 京セラ株式会社 共用アンテナおよびこれを用いた携帯無線機
US6724738B1 (en) 1997-02-27 2004-04-20 Motorola Inc. Method and apparatus for acquiring a pilot signal in a CDMA receiver
US6144649A (en) 1997-02-27 2000-11-07 Motorola, Inc. Method and apparatus for acquiring a pilot signal in a CDMA receiver
GB2323476B (en) 1997-03-20 2002-01-16 David Ganeshmoorthy Communication antenna and equipment
US5933121A (en) * 1998-04-07 1999-08-03 Harris Corporation Antenna array for sensing signals on conductors
EP0987788A3 (en) * 1998-09-18 2003-04-16 The Whitaker Corporation Multiple band antenna
US6781549B1 (en) 1999-10-12 2004-08-24 Galtronics Ltd. Portable antenna
GB2380323B (en) * 2001-09-29 2003-11-05 Motorola Inc Antenna for use in radio communications
US6914581B1 (en) * 2001-10-31 2005-07-05 Venture Partners Focused wave antenna
CN100499265C (zh) * 2002-06-12 2009-06-10 Thiss技术私人有限公司 螺旋天线
EP2312694B1 (en) * 2003-06-25 2012-08-22 The Board of Governors for Higher Education Method for operating a distributed loaded monopole antenna
JP4770497B2 (ja) * 2006-02-03 2011-09-14 日立電線株式会社 アンテナ
EP3668179A1 (en) 2006-06-20 2020-06-17 InterDigital Technology Corporation Content of the handover command in an intra-lte handover
US7414587B2 (en) * 2006-09-25 2008-08-19 Shure Acquisition Holdings, Inc. Antenna in a wireless system
TWI355778B (en) * 2006-11-07 2012-01-01 Wistron Neweb Corp Portable electronic device with function of receiv
EP2489099B1 (en) 2009-10-16 2013-10-23 EMS Technologies Canada, Ltd. Optimal loading for increased gain in an array antenna
FR3008550B1 (fr) * 2013-07-15 2015-08-21 Inst Mines Telecom Telecom Bretagne Antenne de type bouchon et structure antennaire et ensemble antennaire associes
US10931019B1 (en) * 2015-12-14 2021-02-23 Lockheed Martin Corporation Helix antenna
US10283841B2 (en) 2016-11-29 2019-05-07 Shure Acquisition Holdings, Inc. Wireless antenna
JP6422552B1 (ja) * 2017-10-11 2018-11-14 株式会社ヨコオ アンテナ装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2993204A (en) * 1958-02-28 1961-07-18 Itt Two-band helical antenna
CH499888A (fr) * 1967-12-15 1970-11-30 Onera (Off Nat Aerospatiale) Antenne à un seul conducteur enroulé hélicoïdalement de dimensions réduites, et procédé pour sa fabrication
US4012744A (en) * 1975-10-20 1977-03-15 Itek Corporation Helix-loaded spiral antenna
US4137534A (en) * 1977-05-26 1979-01-30 Goodnight Roy G Vertical antenna with low angle of radiation
US4121218A (en) * 1977-08-03 1978-10-17 Motorola, Inc. Adjustable antenna arrangement for a portable radio
US4161737A (en) * 1977-10-03 1979-07-17 Albright Eugene A Helical antenna
AU3146384A (en) * 1984-01-23 1985-08-01 Emil Milan Barkovic Variable antenna
US4697192A (en) * 1985-04-16 1987-09-29 Texas Instruments Incorporated Two arm planar/conical/helix antenna
CA1257694A (en) * 1985-08-05 1989-07-18 Hisamatsu Nakano Antenna system
US5216436A (en) * 1991-05-31 1993-06-01 Harris Corporation Collapsible, low visibility, broadband tapered helix monopole antenna

Also Published As

Publication number Publication date
CA2074015C (en) 2001-02-20
FI923614L (fi) 1993-02-17
JPH05206715A (ja) 1993-08-13
DE69213621D1 (de) 1996-10-17
MX9204664A (es) 1993-02-01
SG52224A1 (en) 1998-09-28
EP0528775A1 (en) 1993-02-24
US5592184A (en) 1997-01-07
FI112725B (fi) 2003-12-31
SE9102379L (sv) 1993-02-17
AU2101192A (en) 1993-02-18
SE9102379D0 (sv) 1991-08-16
DE69213621T2 (de) 1997-02-06
FI923614A0 (fi) 1992-08-12
JP3382972B2 (ja) 2003-03-04
SE468917B (sv) 1993-04-05
TW223188B (enExample) 1994-05-01
CA2074015A1 (en) 1993-02-17
EP0528775B1 (en) 1996-09-11
AU649866B2 (en) 1994-06-02
ATE142822T1 (de) 1996-09-15

Similar Documents

Publication Publication Date Title
EP0528775B1 (en) Miniature antenna
HK1006608B (en) Miniature antenna
CA2293396C (en) Dual band antenna for mobile communications
EP0855759B1 (en) Simple dual-frequency antenna
US6853338B2 (en) Wireless GPS apparatus with integral antenna device
US5945963A (en) Dielectrically loaded antenna and a handheld radio communication unit including such an antenna
US4730195A (en) Shortened wideband decoupled sleeve dipole antenna
RU2183372C2 (ru) Двухдиапазонная антенна
NZ264417A (en) Printed film helical radio antenna with pitch varying from base to apex of helix
GB2189081A (en) Monopole antenna
EP0718909B1 (en) Retractable top load antenna
US6008765A (en) Retractable top load antenna
EP0876688B1 (en) ANTENNA FOR FREQUENCIES IN EXCESS OF 200 MHz
US6114999A (en) Field controlled resonator
US7053846B2 (en) Spherical ring antenna
EP1435125B1 (en) Helical antenna
US4295144A (en) Feed system for a circularly polarized tetra-coil antenna
JP2004228797A (ja) 平面アンテナ
JPS6392103A (ja) 小形アンテナ
JPH07106842A (ja) アンテナ装置
JPH06318810A (ja) 伸縮式アンテナ
GB2142190A (en) Antenna with unbalanced feed
JPH0529822A (ja) 携帯無線機
JPH022324B2 (enExample)
JPH077312A (ja) ループアンテナ

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: 20060722