CA2074015C - Miniature antenna - Google Patents

Miniature antenna Download PDF

Info

Publication number
CA2074015C
CA2074015C CA002074015A CA2074015A CA2074015C CA 2074015 C CA2074015 C CA 2074015C CA 002074015 A CA002074015 A CA 002074015A CA 2074015 A CA2074015 A CA 2074015A CA 2074015 C CA2074015 C CA 2074015C
Authority
CA
Canada
Prior art keywords
antenna
base portion
antenna according
top loop
approximately
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA002074015A
Other languages
English (en)
French (fr)
Other versions
CA2074015A1 (en
Inventor
Erland Cassel
Jan Cassel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ericsson Inc
Original Assignee
Ericsson GE Mobile Communications 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 GE Mobile Communications Inc filed Critical Ericsson GE Mobile Communications Inc
Publication of CA2074015A1 publication Critical patent/CA2074015A1/en
Application granted granted Critical
Publication of CA2074015C publication Critical patent/CA2074015C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Aerials With Secondary Devices (AREA)
CA002074015A 1991-08-16 1992-07-16 Miniature antenna Expired - Fee Related CA2074015C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9102379A SE468917B (sv) 1991-08-16 1991-08-16 Miniatyrantenn
SE9102379-6 1991-08-16

Publications (2)

Publication Number Publication Date
CA2074015A1 CA2074015A1 (en) 1993-02-17
CA2074015C true CA2074015C (en) 2001-02-20

Family

ID=20383488

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002074015A Expired - Fee Related CA2074015C (en) 1991-08-16 1992-07-16 Miniature antenna

Country Status (12)

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)
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
EP1514329B1 (en) * 2002-06-12 2014-01-01 Thiss Technologies Pte Ltd Helix antenna
WO2005001989A2 (en) * 2003-06-25 2005-01-06 The Board Of Governors For Higher Education System and method for providing 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
KR101596188B1 (ko) 2006-06-20 2016-02-19 인터디지탈 테크날러지 코포레이션 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및 시스템
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
JP5676622B2 (ja) 2009-10-16 2015-02-25 イーエムエス・テクノロジーズ・カナダ，リミテッド アレイアンテナの利得の増大のための最適負荷
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
EP0528775A1 (en) 1993-02-24
SE468917B (sv) 1993-04-05
SE9102379L (sv) 1993-02-17
JP3382972B2 (ja) 2003-03-04
MX9204664A (es) 1993-02-01
AU2101192A (en) 1993-02-18
AU649866B2 (en) 1994-06-02
JPH05206715A (ja) 1993-08-13
DE69213621T2 (de) 1997-02-06
ATE142822T1 (de) 1996-09-15
HK1006608A1 (en) 1999-03-05
CA2074015A1 (en) 1993-02-17
EP0528775B1 (en) 1996-09-11
FI923614L (fi) 1993-02-17
SE9102379D0 (sv) 1991-08-16
FI923614A0 (fi) 1992-08-12
DE69213621D1 (de) 1996-10-17
SG52224A1 (en) 1998-09-28
TW223188B (enExample) 1994-05-01
FI112725B (fi) 2003-12-31
US5592184A (en) 1997-01-07

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