SE9801381D0 - Ground extension arrangement for coupling to ground means in an antenna system, and an antenna system and a mobile radio device having such ground arrangement - Google Patents

Ground extension arrangement for coupling to ground means in an antenna system, and an antenna system and a mobile radio device having such ground arrangement

Info

Publication number
SE9801381D0
SE9801381D0 SE9801381A SE9801381A SE9801381D0 SE 9801381 D0 SE9801381 D0 SE 9801381D0 SE 9801381 A SE9801381 A SE 9801381A SE 9801381 A SE9801381 A SE 9801381A SE 9801381 D0 SE9801381 D0 SE 9801381D0
Authority
SE
Sweden
Prior art keywords
ground
antenna system
arrangement
coupling
communication device
Prior art date
Application number
SE9801381A
Other languages
English (en)
Swedish (sv)
Inventor
Hans Peter Kurz
Howard Johnson
Original Assignee
Allgon Ab
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 Allgon Ab filed Critical Allgon Ab
Priority to SE9801381A priority Critical patent/SE9801381D0/xx
Publication of SE9801381D0 publication Critical patent/SE9801381D0/xx
Priority to PCT/SE1999/000636 priority patent/WO1999054956A2/fr
Priority to CNB998052221A priority patent/CN1173432C/zh
Priority to KR1020007011611A priority patent/KR100607097B1/ko
Priority to US09/647,937 priority patent/US6342859B1/en
Priority to JP2000545213A priority patent/JP2002512463A/ja
Priority to AU40668/99A priority patent/AU4066899A/en
Priority to DE69918103T priority patent/DE69918103T2/de
Priority to EP99924081A priority patent/EP1078415B1/fr

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • 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
    • 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
    • H01Q9/38—Vertical arrangement of element with counterpoise

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Telephone Set Structure (AREA)
  • Details Of Aerials (AREA)
SE9801381A 1998-04-20 1998-04-20 Ground extension arrangement for coupling to ground means in an antenna system, and an antenna system and a mobile radio device having such ground arrangement SE9801381D0 (sv)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE9801381A SE9801381D0 (sv) 1998-04-20 1998-04-20 Ground extension arrangement for coupling to ground means in an antenna system, and an antenna system and a mobile radio device having such ground arrangement
PCT/SE1999/000636 WO1999054956A2 (fr) 1998-04-20 1999-04-20 Dispositif extensible de mise a la terre dans un systeme d'antenne, systeme d'antenne et appareil mobile de radiocommunication comportant ce dispositif de mise a la terre
CNB998052221A CN1173432C (zh) 1998-04-20 1999-04-20 天线系统中用于连接到接地装置的接地延伸结构,和具有这种接地结构的天线系统和移动天线装置
KR1020007011611A KR100607097B1 (ko) 1998-04-20 1999-04-20 안테나시스템 및 이 안테나시스템을 갖춘 무선통신장치
US09/647,937 US6342859B1 (en) 1998-04-20 1999-04-20 Ground extension arrangement for coupling to ground means in an antenna system, and an antenna system and a mobile radio device having such ground arrangement
JP2000545213A JP2002512463A (ja) 1998-04-20 1999-04-20 アンテナシステムの接地手段に結合するための接地延長構造、アンテナシステム及び該接地構造を有する移動通信装置
AU40668/99A AU4066899A (en) 1998-04-20 1999-04-20 Ground extension arrangement for coupling to ground means in an antenna system, and an antenna system and a mobile radio device having such ground arrangement
DE69918103T DE69918103T2 (de) 1998-04-20 1999-04-20 Anordnung zur vergrösserung der erdkoppelung in einem antennensystem, antennensystem und mobiles funkgerät mit einer derartigen erdungsanordnung
EP99924081A EP1078415B1 (fr) 1998-04-20 1999-04-20 Dispositif extensible de mise a la terre dans un systeme d'antenne, systeme d'antenne et appareil mobile de radiocommunication comportant ce dispositif de mise a la terre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9801381A SE9801381D0 (sv) 1998-04-20 1998-04-20 Ground extension arrangement for coupling to ground means in an antenna system, and an antenna system and a mobile radio device having such ground arrangement

Publications (1)

Publication Number Publication Date
SE9801381D0 true SE9801381D0 (sv) 1998-04-20

Family

ID=20411028

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9801381A SE9801381D0 (sv) 1998-04-20 1998-04-20 Ground extension arrangement for coupling to ground means in an antenna system, and an antenna system and a mobile radio device having such ground arrangement

Country Status (9)

Country Link
US (1) US6342859B1 (fr)
EP (1) EP1078415B1 (fr)
JP (1) JP2002512463A (fr)
KR (1) KR100607097B1 (fr)
CN (1) CN1173432C (fr)
AU (1) AU4066899A (fr)
DE (1) DE69918103T2 (fr)
SE (1) SE9801381D0 (fr)
WO (1) WO1999054956A2 (fr)

Families Citing this family (98)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3639767B2 (ja) * 1999-06-24 2005-04-20 株式会社村田製作所 表面実装型アンテナおよびそれを用いた通信機
FR2803163B1 (fr) * 1999-12-23 2004-10-15 Cit Alcatel Terminal de radiocommunications portable
EP1280233A4 (fr) * 2000-04-13 2004-12-22 Mitsubishi Electric Corp Element d'antenne et terminal de communication portable
JP4217938B2 (ja) * 2000-04-20 2009-02-04 ソニー株式会社 アンテナ装置及び携帯無線機
SE522492C2 (sv) * 2000-10-27 2004-02-10 Ericsson Telefon Ab L M Antennanordning för en mobilterminal
JP2002171110A (ja) * 2000-11-30 2002-06-14 Toshiba Corp 無線機
US20020123312A1 (en) * 2001-03-02 2002-09-05 Hayes Gerard James Antenna systems including internal planar inverted-F Antenna coupled with external radiating element and wireless communicators incorporating same
JP2004524747A (ja) * 2001-03-07 2004-08-12 シーメンス　アクチエンゲゼルシヤフト Ｓａｒ値低減補正要素を有する無線通信装置
JP4071452B2 (ja) * 2001-04-13 2008-04-02 松下電器産業株式会社 携帯無線機
US6950070B2 (en) * 2001-04-19 2005-09-27 Telefonaktiebolaget Lm Ericsson Arrangement for a mobile terminal
EP1257001A1 (fr) * 2001-05-12 2002-11-13 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Interface entre un dispositif radio mobil et dispositif accessoire basé sur un couplage capacitif afin de partager les plans de masse augmentant le gain de l'antenne du dispositif accessoire
EP1278155B1 (fr) 2001-07-19 2006-09-06 Matsushita Electric Industrial Co., Ltd. Dispositif à carte avec une antenne et connecté à un appareil electronique ou à un dispositif sans fil
US6452551B1 (en) * 2001-08-02 2002-09-17 Auden Techno Corp. Capacitor-loaded type single-pole planar antenna
JP3502071B2 (ja) * 2001-08-08 2004-03-02 松下電器産業株式会社 無線機用アンテナ装置
JP2003069441A (ja) * 2001-08-23 2003-03-07 Nec Saitama Ltd 折り畳み型携帯無線機
FI118069B (fi) * 2001-09-14 2007-06-15 Flextronics Sales & Marketing Maajärjestely langatonta tiedonsiirtoa käyttävää laitetta varten
US6897825B2 (en) * 2001-10-29 2005-05-24 Samsung Electronics Co., Ltd. Antenna apparatus for folder type mobile phone
EP1329985A3 (fr) * 2002-01-18 2004-12-22 Matsushita Electric Industrial Co., Ltd. Dispositif d antenne, appareil de communication et méthode de conception d' un tel dispositif d' antenne
DE10204877A1 (de) 2002-02-06 2003-08-14 Siemens Ag Funkkommunikationsgerät sowie Leiterplatine mit mindestens einem stromleitfähigen Korrekturelement
US7230574B2 (en) * 2002-02-13 2007-06-12 Greg Johnson Oriented PIFA-type device and method of use for reducing RF interference
US6765536B2 (en) 2002-05-09 2004-07-20 Motorola, Inc. Antenna with variably tuned parasitic element
US6642893B1 (en) * 2002-05-09 2003-11-04 Centurion Wireless Technologies, Inc. Multi-band antenna system including a retractable antenna and a meander antenna
JP4096294B2 (ja) 2002-05-14 2008-06-04 日本電気株式会社 携帯電話装置
US6781551B2 (en) * 2002-08-06 2004-08-24 Phonak Ag Hand-held transmitter and/or receiver unit
US20040036655A1 (en) * 2002-08-22 2004-02-26 Robert Sainati Multi-layer antenna structure
JP4052209B2 (ja) * 2002-11-05 2008-02-27 ミツミ電機株式会社 アンテナ装置
JP3833685B2 (ja) * 2002-11-21 2006-10-18 三菱電機株式会社 携帯電話機
US6839577B2 (en) * 2002-12-30 2005-01-04 Motorola, Inc. Electronic device having a multi-state antenna ground structure
US7310536B2 (en) * 2003-04-08 2007-12-18 Ethertronics, Inc. Coupler for phone with moveable portions
US7280856B2 (en) * 2003-05-24 2007-10-09 Samsung Electronics Co., Ltd. Portable terminal having tuner for changing radiation pattern
DE602004011774T2 (de) * 2003-07-08 2009-02-05 Matsushita Electric Industrial Co., Ltd., Kadoma-shi Tragbares funkgerät
EP1898490B1 (fr) * 2003-09-18 2010-04-28 Sony Ericsson Mobile Communications Japan, Inc. Terminal de communication mobile
JP4312100B2 (ja) * 2003-11-18 2009-08-12 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 携帯通信端末
FR2863407B1 (fr) * 2003-12-04 2006-03-24 Sagem Telephone mobile bi-bande a diagramme de rayonnement omnidirectionnel
JP2005286895A (ja) * 2004-03-30 2005-10-13 Nec Access Technica Ltd アンテナ装置および携帯無線装置
JP4641747B2 (ja) * 2004-06-15 2011-03-02 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 携帯通信端末
JP4358084B2 (ja) * 2004-07-12 2009-11-04 パナソニック株式会社 折畳式携帯無線機
JP4522175B2 (ja) * 2004-07-14 2010-08-11 パナソニック株式会社 折畳式携帯無線機
JP4079925B2 (ja) * 2004-08-09 2008-04-23 Ｎｅｃアクセステクニカ株式会社 無線機
DE602004017473D1 (de) * 2004-10-07 2008-12-11 Sony Ericsson Mobile Comm Ab Kleine hochintegrierte drahtlose Hör-Sprechgarnitur
US7358925B2 (en) * 2004-10-07 2008-04-15 Sony Ericsson Mobile Communications Ab Highly-integrated headset
US7482982B2 (en) * 2004-10-13 2009-01-27 Kyocera Wireless Corp. Multipart case wireless communications device with multiple groundplane connectors
US7012571B1 (en) 2004-10-13 2006-03-14 Kyocera Wireless Corp. Multiple ground plane section antenna systems and methods
JP4661180B2 (ja) * 2004-11-19 2011-03-30 日本電気株式会社 携帯無線端末及びアンテナ電流のアース方法
US7620436B2 (en) * 2004-12-28 2009-11-17 Motorola, Inc. Portable communication device with global positioning system antenna
CN2770115Y (zh) * 2005-01-06 2006-04-05 鸿富锦精密工业（深圳）有限公司 平面倒f型天线
WO2006087662A2 (fr) * 2005-02-17 2006-08-24 Nxp B.V. Dispositif de communication mobile
JP4627092B2 (ja) * 2005-03-24 2011-02-09 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 アンテナ装置及び無線通信装置
KR100640340B1 (ko) * 2005-05-30 2006-10-30 삼성전자주식회사 내장형 안테나 장치
FI20055420A0 (fi) * 2005-07-25 2005-07-25 Lk Products Oy Säädettävä monikaista antenni
FI119009B (fi) * 2005-10-03 2008-06-13 Pulse Finland Oy Monikaistainen antennijärjestelmä
FI118782B (fi) 2005-10-14 2008-03-14 Pulse Finland Oy Säädettävä antenni
US7400302B2 (en) 2006-01-30 2008-07-15 Centurion Wireless Technologies, Inc. Internal antenna for handheld mobile phones and wireless devices
US7505006B2 (en) * 2006-06-08 2009-03-17 Nokia Corporation Antenna arrangement
US8618990B2 (en) 2011-04-13 2013-12-31 Pulse Finland Oy Wideband antenna and methods
US7812770B2 (en) 2006-08-29 2010-10-12 Research In Motion Limited Mobile wireless communications device including an electrically conductive, electrically floating element and related methods
EP2102942A4 (fr) 2006-12-22 2009-12-23 Nokia Corp Dispositif comprenant un élément d'antenne et une partie métallique
FI20075269A0 (fi) * 2007-04-19 2007-04-19 Pulse Finland Oy Menetelmä ja järjestely antennin sovittamiseksi
US7787920B2 (en) * 2007-04-23 2010-08-31 Sony Ericsson Mobile Communications Ab Dipole antenna for a portable communication device
US20090033564A1 (en) * 2007-08-02 2009-02-05 Nigel Power, Llc Deployable Antennas for Wireless Power
FI120427B (fi) 2007-08-30 2009-10-15 Pulse Finland Oy Säädettävä monikaista-antenni
TWI358852B (en) 2008-09-03 2012-02-21 Htc Corp Handset device
FI20096134A0 (fi) 2009-11-03 2009-11-03 Pulse Finland Oy Säädettävä antenni
FI20096251A0 (sv) 2009-11-27 2009-11-27 Pulse Finland Oy MIMO-antenn
US8847833B2 (en) * 2009-12-29 2014-09-30 Pulse Finland Oy Loop resonator apparatus and methods for enhanced field control
FI20105158A (fi) 2010-02-18 2011-08-19 Pulse Finland Oy Kuorisäteilijällä varustettu antenni
US9722292B2 (en) 2010-03-19 2017-08-01 Panasonic Intellectual Property Management Co., Ltd. Wireless apparatus, wireless abnormality notification system using same, and wireless remote control system
US9406998B2 (en) 2010-04-21 2016-08-02 Pulse Finland Oy Distributed multiband antenna and methods
US8723733B2 (en) 2010-09-29 2014-05-13 Qualcomm Incorporated Multiband antenna for a mobile device
US8749438B2 (en) 2010-09-29 2014-06-10 Qualcomm Incorporated Multiband antenna for a mobile device
FI20115072A0 (fi) 2011-01-25 2011-01-25 Pulse Finland Oy Moniresonanssiantenni, -antennimoduuli ja radiolaite
US8648752B2 (en) 2011-02-11 2014-02-11 Pulse Finland Oy Chassis-excited antenna apparatus and methods
US9673507B2 (en) 2011-02-11 2017-06-06 Pulse Finland Oy Chassis-excited antenna apparatus and methods
US8866689B2 (en) 2011-07-07 2014-10-21 Pulse Finland Oy Multi-band antenna and methods for long term evolution wireless system
US9450291B2 (en) 2011-07-25 2016-09-20 Pulse Finland Oy Multiband slot loop antenna apparatus and methods
US9123990B2 (en) 2011-10-07 2015-09-01 Pulse Finland Oy Multi-feed antenna apparatus and methods
US9531058B2 (en) 2011-12-20 2016-12-27 Pulse Finland Oy Loosely-coupled radio antenna apparatus and methods
US9484619B2 (en) 2011-12-21 2016-11-01 Pulse Finland Oy Switchable diversity antenna apparatus and methods
US8988296B2 (en) 2012-04-04 2015-03-24 Pulse Finland Oy Compact polarized antenna and methods
US9979078B2 (en) 2012-10-25 2018-05-22 Pulse Finland Oy Modular cell antenna apparatus and methods
US10069209B2 (en) 2012-11-06 2018-09-04 Pulse Finland Oy Capacitively coupled antenna apparatus and methods
US10079428B2 (en) 2013-03-11 2018-09-18 Pulse Finland Oy Coupled antenna structure and methods
US9647338B2 (en) 2013-03-11 2017-05-09 Pulse Finland Oy Coupled antenna structure and methods
US9660331B2 (en) * 2013-04-01 2017-05-23 Novatel Wireless, Inc. Radio modem antenna efficiency in on board diagnostic device
US9397386B2 (en) * 2013-04-29 2016-07-19 Asustek Computer Inc. Near field communication module
US9634383B2 (en) 2013-06-26 2017-04-25 Pulse Finland Oy Galvanically separated non-interacting antenna sector apparatus and methods
US9680212B2 (en) 2013-11-20 2017-06-13 Pulse Finland Oy Capacitive grounding methods and apparatus for mobile devices
US9590308B2 (en) 2013-12-03 2017-03-07 Pulse Electronics, Inc. Reduced surface area antenna apparatus and mobile communications devices incorporating the same
CN103634432A (zh) * 2013-12-09 2014-03-12 优能通信科技（杭州）有限公司 一种覆盖多频段的通信终端
US9350081B2 (en) 2014-01-14 2016-05-24 Pulse Finland Oy Switchable multi-radiator high band antenna apparatus
US9973228B2 (en) 2014-08-26 2018-05-15 Pulse Finland Oy Antenna apparatus with an integrated proximity sensor and methods
US9948002B2 (en) 2014-08-26 2018-04-17 Pulse Finland Oy Antenna apparatus with an integrated proximity sensor and methods
US9722308B2 (en) 2014-08-28 2017-08-01 Pulse Finland Oy Low passive intermodulation distributed antenna system for multiple-input multiple-output systems and methods of use
US9363794B1 (en) * 2014-12-15 2016-06-07 Motorola Solutions, Inc. Hybrid antenna for portable radio communication devices
US9906260B2 (en) 2015-07-30 2018-02-27 Pulse Finland Oy Sensor-based closed loop antenna swapping apparatus and methods
JP2017085334A (ja) * 2015-10-28 2017-05-18 京セラ株式会社 電子機器
EP4343964A1 (fr) * 2022-09-22 2024-03-27 Meta Platforms Technologies, LLC Commande de diagrammes de rayonnement d'antenne dans des dispositifs de réalité artificielle
CN118783074A (zh) * 2023-04-03 2024-10-15 荣耀终端有限公司 折叠屏电子设备及其天线装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU182355B (en) * 1981-07-10 1983-12-28 Budapesti Radiotechnikai Gyar Aerial array for handy radio transceiver
US5014346A (en) 1988-01-04 1991-05-07 Motorola, Inc. Rotatable contactless antenna coupler and antenna
US4868576A (en) * 1988-11-02 1989-09-19 Motorola, Inc. Extendable antenna for portable cellular telephones with ground radiator
GB9102935D0 (en) * 1991-02-12 1991-03-27 Shaye Communications Ltd Improvements in and relating to antennae
BR9405323A (pt) 1993-05-03 1999-08-31 Motorola Inc Aparelho eletrônico
CA2152860A1 (fr) * 1994-07-15 1996-01-16 Argyrios A. Chatzipetros Antenne de dispositif de communication
US5561436A (en) 1994-07-21 1996-10-01 Motorola, Inc. Method and apparatus for multi-position antenna
US5561437A (en) 1994-09-15 1996-10-01 Motorola, Inc. Two position fold-over dipole antenna
US5542106A (en) * 1994-09-15 1996-07-30 Motorola, Inc. Electronic device having an RF circuit integrated into a movable housing element
US5649306A (en) 1994-09-16 1997-07-15 Motorola, Inc. Portable radio housing incorporating diversity antenna structure
IL116423A0 (en) 1995-12-15 1996-03-31 Geotek Communication Inc A portable radio terminal having diversity reception antennas
US6490435B1 (en) * 1996-01-16 2002-12-03 Ericsson Inc. Flip cover and antenna assembly for a portable phone

Also Published As

Publication number Publication date
EP1078415A2 (fr) 2001-02-28
CN1297593A (zh) 2001-05-30
DE69918103T2 (de) 2004-10-21
AU4066899A (en) 1999-11-08
EP1078415B1 (fr) 2004-06-16
KR20010042844A (ko) 2001-05-25
US6342859B1 (en) 2002-01-29
WO1999054956A2 (fr) 1999-10-28
JP2002512463A (ja) 2002-04-23
CN1173432C (zh) 2004-10-27
WO1999054956A3 (fr) 1999-12-02
DE69918103D1 (de) 2004-07-22
KR100607097B1 (ko) 2006-08-01

Similar Documents

Publication Publication Date Title
SE9801381D0 (sv) Ground extension arrangement for coupling to ground means in an antenna system, and an antenna system and a mobile radio device having such ground arrangement
SE9601893D0 (sv) Planar antenn device
AU2001269666A1 (en) Antenna arrangement and a portable radio communication device
EP1018777A3 (fr) Antenne à deux gammes de fréquences pour un combiné téléphonique portatif et combiné téléphonique portatif correspondant
SE9702659L (sv) Kompakt antennanordning
SE9904002D0 (sv) Multiband antenna arrangement
AU2001251619A1 (en) Convertible dipole/inverted-f antennas and wireless communicators incorporating the same
GB2362512A (en) An Antenna device and a radio communications device including an antenna device
TW428344B (en) Compact antenna structures including baluns
SE9902878L (sv) Kompakt multibandantenn
MY133848A (en) Multiple antenna impedance optimization
SE9602387D0 (sv) Meander antenna device
SE9904617L (sv) Slitsantennanordning
HK1079622A1 (en) Multiple-band antenna with shared slot structure
CN102804487A (zh) 包括环状天线的用于无线通信的装置
EP0899810A3 (fr) Système d'antenne pour véhicule
SE9704052D0 (sv) A portable electronic communication devide with dual-band antenna system
EP1202386A3 (fr) Dispositif radio et structure d'antenne
SE9600538D0 (sv) Dual band antenna means incorporating helical and elongated radiating structures
DE60218056D1 (de) Drahtloses funkgerät
EP1193795A3 (fr) Antenne à plaque avec diélectrique séparé du plan d'antenne pour augmenter le gain
SE0002375L (sv) En antenn för en bärbar kommunikationsapparat och en bärbar kommunikationsapparat som innefattar en sådan antenn
EP0938158A3 (fr) Antenne
EP2256858A3 (fr) Système d'antenne hybride pour dispositif de communication sans fil portable
EP1150378A3 (fr) Antenne rétractable et extensible de radiotéléphones portatifs