MX166681B - Sistema de antena alargable, para un transmisor receptor de radio portatil - Google Patents

Sistema de antena alargable, para un transmisor receptor de radio portatil

Info

Publication number
MX166681B
MX166681B MX017695A MX1769589A MX166681B MX 166681 B MX166681 B MX 166681B MX 017695 A MX017695 A MX 017695A MX 1769589 A MX1769589 A MX 1769589A MX 166681 B MX166681 B MX 166681B
Authority
MX
Mexico
Prior art keywords
antenna
radiator
wavelength
radio receiver
portable radio
Prior art date
Application number
MX017695A
Other languages
English (en)
Inventor
Robert Michael Johnson Jr
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of MX166681B publication Critical patent/MX166681B/es

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/28Combinations of substantially independent non-interacting antenna units or systems
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; 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
    • H01Q1/243Supports; 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 with built-in antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; 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
    • H01Q1/243Supports; 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 with built-in antennas
    • H01Q1/244Supports; 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 with built-in antennas extendable from a housing along a given path
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/30Resonant antennas with feed to end of elongated active element, e.g. unipole

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Transmitters (AREA)
  • Telephone Set Structure (AREA)
  • Transceivers (AREA)
  • Aerials With Secondary Devices (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Lock And Its Accessories (AREA)

Abstract

La presente invención se refiere a un sistema de antena alargable, para un transmisor-receptor de radio portátil, encerado en un elemento dealojamiento, que tiene porciones superior y de fondo, la porción de fondo del elemento de alojamiento tiene una superficie conductiva, esta antena alargable se caracteriza por; un elemento de antena helicoidal, dispuesto en la porción superior del elemento de alojamiento e incluye un devanado helicoidal que tiene un primer extremo acoplado al transmisor-receptor y tiene un segundo extremo, un elemento de radiación alargable o extensible de media longitudde onda, que tiene porciones no conductivas, superior y de fondo, y una porción central conductiva y se extiende a través del devanado helicoidal la porción conductiva del elemento de radiación extensible de media longitud de onda se acopla capacitivamente al segundo extremo del devanado helicoidal cuando se extiende desde la porción de fondo del elemento de alojamiento y se desacopla substancialmente del mismo cuando se retracta en la porción de fondo del elemento de alojamiento; y un elemento de radiación de un cuarto de longitud de onda, dispuesto en la porción superior del elemento de alojamiento, substancialmene en ángulo recto o respecto al elemento de antena helicoidal y acoplado al transmisor-receptor a tierra y la superficie conductiva del elemento de alojamiento.
MX017695A 1988-11-02 1989-09-26 Sistema de antena alargable, para un transmisor receptor de radio portatil MX166681B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/266,423 US4868576A (en) 1988-11-02 1988-11-02 Extendable antenna for portable cellular telephones with ground radiator

Publications (1)

Publication Number Publication Date
MX166681B true MX166681B (es) 1993-01-27

Family

ID=23014531

Family Applications (1)

Application Number Title Priority Date Filing Date
MX017695A MX166681B (es) 1988-11-02 1989-09-26 Sistema de antena alargable, para un transmisor receptor de radio portatil

Country Status (17)

Country Link
US (1) US4868576A (es)
EP (1) EP0367609B1 (es)
JP (1) JPH0770896B2 (es)
KR (1) KR930001074B1 (es)
AT (1) ATE125646T1 (es)
AU (1) AU610439B2 (es)
BR (1) BR8907142A (es)
CA (1) CA1322785C (es)
DE (1) DE68923598T2 (es)
DK (1) DK149590A (es)
ES (1) ES2075060T3 (es)
FI (1) FI902561A0 (es)
HU (1) HU206793B (es)
IE (1) IE69268B1 (es)
MX (1) MX166681B (es)
RU (1) RU1838850C (es)
WO (1) WO1990005390A1 (es)

Families Citing this family (137)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255001A (en) * 1989-08-29 1993-10-19 Nec Corporation Antenna system for portable radio apparatus
JP2919024B2 (ja) * 1989-08-29 1999-07-12 日本電気株式会社 携帯無線機用アンテナ
US5262795A (en) * 1990-01-30 1993-11-16 Cellular Ic, Inc. Unitary cellular antenna system
JP2554762B2 (ja) * 1990-02-23 1996-11-13 株式会社東芝 アンテナと無線機
JPH0432305A (ja) * 1990-05-29 1992-02-04 Nec Corp アンテナ
JP2510035B2 (ja) * 1990-06-28 1996-06-26 原田工業株式会社 非接地型極超短波アンテナ
JPH04120805A (ja) * 1990-09-11 1992-04-21 Harada Ind Co Ltd 短縮形非接地式極超短波アンテナ
US5699070A (en) * 1991-03-04 1997-12-16 Motorola, Inc. Radio having replaceable and retractable antenna apparatus
GB9105586D0 (en) * 1991-03-16 1991-05-01 Antenna Products Ltd Radio antennas
EP0511577B1 (de) * 1991-04-30 1998-06-24 Siemens Aktiengesellschaft Kompaktes Funkgerät, insbesondere Handfunkgerät, mit versenkbarer oder umklappbarer Stabantenne
DE69215283T2 (de) * 1991-07-08 1997-03-20 Nippon Telegraph & Telephone Ausfahrbares Antennensystem
GB2257838B (en) * 1991-07-13 1995-06-14 Technophone Ltd Retractable antenna
GB2257835B (en) * 1991-07-13 1995-10-11 Technophone Ltd Retractable antenna
US5343213A (en) * 1991-10-22 1994-08-30 Motorola, Inc. Snap-in antenna assembly
JP2502426B2 (ja) * 1991-11-08 1996-05-29 原田工業株式会社 広帯域極超短波用アンテナ
JP3251680B2 (ja) * 1991-12-26 2002-01-28 株式会社東芝 携帯無線機
SE501551C2 (sv) * 1992-10-29 1995-03-13 Allgon Ab Antennanordning för bärbar utrustning
JP2531394B2 (ja) * 1992-01-23 1996-09-04 村田機械株式会社 携帯電話機
GB9207639D0 (en) * 1992-04-08 1992-05-27 Nokia Mobile Phones R & D Uk Radio with retractable antenna
GB2266997A (en) * 1992-05-07 1993-11-17 Wallen Manufacturing Limited Radio antenna.
JP3457351B2 (ja) * 1992-09-30 2003-10-14 株式会社東芝 携帯無線装置
US5345247A (en) * 1992-11-13 1994-09-06 Algira Primo Inc. Five-way antenna system
US5463406A (en) * 1992-12-22 1995-10-31 Motorola Diversity antenna structure having closely-positioned antennas
JPH06216630A (ja) * 1993-01-14 1994-08-05 Nippon Antenna Kk 伸縮式ホイップアンテナ
AU661628B2 (en) * 1993-01-29 1995-07-27 Motorola, Inc. Antenna assembly for radio circuit and method therefor
JP2503856B2 (ja) * 1993-01-29 1996-06-05 日本電気株式会社 携帯無線機用アンテナ
US5708445A (en) * 1993-01-29 1998-01-13 Motorola, Inc. Antenna assembly for radio circuit and method therefor
US5336896A (en) * 1993-02-04 1994-08-09 Katz Joseph M Cellular telephone users protective device
US6448490B1 (en) 1993-02-04 2002-09-10 Joseph M. Katz Assembly for attenuating emissions from electronic sources
JP2574256Y2 (ja) * 1993-02-19 1998-06-11 松下電器産業株式会社 アンテナ装置
JPH06252619A (ja) * 1993-02-24 1994-09-09 Sansei Denki Kk アンテナの支持・接続方法、および同支持・接続構造
AU673037B2 (en) * 1993-02-25 1996-10-24 Anten Corporation Antenna for a radio communication apparatus
JP2520557B2 (ja) * 1993-02-26 1996-07-31 日本電気株式会社 無線機用アンテナ
KR960010858B1 (ko) * 1993-05-21 1996-08-10 삼성전자 주식회사 휴대용 무선기기 안테나
SE9301761L (sv) * 1993-05-24 1994-06-06 Allgon Ab Antennanordning för bärbar kommunikationsutrustning
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
JPH0738316A (ja) * 1993-07-26 1995-02-07 Harada Ind Co Ltd 携帯電話機用伸縮形アンテナ
EP0637094B1 (en) * 1993-07-30 1998-04-08 Matsushita Electric Industrial Co., Ltd. Antenna for mobile communication
DE4326117A1 (de) * 1993-08-04 1995-02-09 Philips Patentverwaltung Funkgerät mit einer Antenne
US5338896A (en) * 1993-09-03 1994-08-16 Danforth David M Shield device for cellular phones
US5469177A (en) * 1993-09-15 1995-11-21 Motorola, Inc. Antenna assembly and method therefor
JP2974895B2 (ja) * 1993-09-16 1999-11-10 富士通株式会社 携帯用無線装置
ES2112200B1 (es) * 1993-09-20 1999-02-16 Motorola Inc Dispositivo de antena para un aparato inalambrico de comunicacion.
US5617105A (en) * 1993-09-29 1997-04-01 Ntt Mobile Communications Network, Inc. Antenna equipment
EP0746236B1 (en) * 1993-10-01 2003-08-20 Boston Scientific Corporation Improved vena cava filter
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.
SE514027C2 (sv) * 1993-10-29 2000-12-11 Allgon Ab Bredbandig antennanordning
EP0716469B1 (en) * 1994-06-28 2002-09-25 Sony Corporation Antenna device and portable radio device
JP3463704B2 (ja) * 1994-09-06 2003-11-05 ソニー株式会社 伸縮式アンテナ装置
TW295733B (es) * 1994-09-15 1997-01-11 Motorola Inc
JP3123363B2 (ja) * 1994-10-04 2001-01-09 三菱電機株式会社 携帯無線機
US5504494A (en) * 1994-11-25 1996-04-02 Motorola, Inc. Multi-stage antenna
GB2296406B (en) * 1994-12-15 1998-10-14 Nokia Mobile Phones Ltd Radio telephone
US6008765A (en) * 1994-12-23 1999-12-28 Nokia Mobile Phones Limited Retractable top load antenna
GB2296603B (en) 1994-12-23 1999-02-17 Nokia Mobile Phones Ltd Retractable top load antenna
KR960030478A (ko) * 1995-01-27 1996-08-17 김광호 무선기기의 안테나
SE9500456D0 (sv) * 1995-02-08 1995-02-08 Allgon Ab High-efficient compact antenna means for a personal telephone with a small receiving depth
US5590416A (en) * 1995-06-08 1996-12-31 Ericsson Inc. Canted antenna for a cellular radiotelephone
KR0162679B1 (ko) * 1995-03-22 1998-12-01 구관영 용량성 결합방식을 이용한 신축 가능형 안테나
US5577269A (en) * 1995-04-21 1996-11-19 E. F. Johnson Company Antenna connector for a portable radio
WO1996034425A1 (en) * 1995-04-26 1996-10-31 Westinghouse Electric Corporation Helical antenna having a parasitic element and a method of using the same
KR100194422B1 (ko) * 1995-04-27 1999-06-15 김광호 휴대용 무선기기의 안테나 접속장치
KR960043337A (ko) * 1995-05-24 1996-12-23 김광호 반사판이 부착된 휴대용 무선기기 안테나
FI98165C (fi) * 1995-06-05 1997-04-25 Lk Products Oy Kaksitoiminen antenni
JP2795825B2 (ja) * 1995-06-30 1998-09-10 エスエムケイ株式会社 アンテナ装置
US5583520A (en) * 1995-07-28 1996-12-10 Motorola, Inc. Matched input antenna for a portable radio
WO1997007560A1 (en) * 1995-08-11 1997-02-27 The Whitaker Corporation Flexible antenna and method of manufacturing same
JPH0955612A (ja) * 1995-08-16 1997-02-25 Uniden Corp 無線機のアンテナ装置
US5596334A (en) * 1995-09-05 1997-01-21 Motorola, Inc. Antenna assembly with integrated installation support
US5739790A (en) * 1995-09-18 1998-04-14 Nippondenso, Co., Ltd. RF docking adapter for portable transceivers, communication system and method for use with the same
US5650789A (en) * 1995-10-10 1997-07-22 Galtronics Ltd. Retractable antenna system
SE505119C2 (sv) * 1995-10-25 1997-06-30 Allgon Ab Antennlåsningsanordning
FI110556B (fi) * 1995-11-06 2003-02-14 Filtronic Lk Oy Yhdistetty dupleksisuodatin- ja antenniratkaisu
KR19990067637A (ko) * 1995-11-15 1999-08-25 펄 위 제이케 휴대용 라디오 통신장치를 위한 소형 안테나수단 및 그를 위한무스위치 안테나 접속수단
SE9600538D0 (sv) * 1996-02-13 1996-02-13 Allgon Ab Dual band antenna means incorporating helical and elongated radiating structures
US5892483A (en) * 1996-03-15 1999-04-06 Ericsson Inc. Dual antenna arrangement for portable transceiver
US6166707A (en) * 1996-04-01 2000-12-26 Motorola, Inc. Antenna shroud for a portable communications device
SE509641C2 (sv) * 1996-05-03 1999-02-15 Allgon Ab En antennanordning försedd med en matchningsanordning
EP1641070A1 (en) * 1996-06-20 2006-03-29 Kabushiki Kaisha Yokowo (also trading as Yokowo Co., Ltd.) Antenna
EP0822609B1 (de) * 1996-07-29 2002-05-08 Koninklijke Philips Electronics N.V. Gerät zum Empfangen und/oder Senden einer elektromagnetischen Schwingung
US5717409A (en) * 1996-08-02 1998-02-10 Lucent Technologies Inc. Dual frequency band antenna system
AU3828897A (en) * 1996-09-05 1998-03-26 Ericsson Inc. Coaxial dual-band antenna
US5874921A (en) * 1996-09-20 1999-02-23 Ericsson, Inc. Antenna impedance matching network requiring no switch contacts
US5963871A (en) * 1996-10-04 1999-10-05 Telefonaktiebolaget Lm Ericsson Retractable multi-band antennas
SE507746C2 (sv) * 1996-11-08 1998-07-06 Ericsson Telefon Ab L M Antennanordning för en mobiltelefon
US5907306A (en) * 1996-12-30 1999-05-25 Ericsson Inc. Retractable radiotelephone antennas and associated radiotelephone communication methods
US5808586A (en) * 1997-02-19 1998-09-15 Motorola, Inc. Side-by-side coil-fed antenna for a portable radio
US5945964A (en) * 1997-02-19 1999-08-31 Motorola, Inc. Multi-band antenna structure for a portable radio
KR19990010968A (ko) * 1997-07-19 1999-02-18 윤종용 듀얼밴드 안테나
US5943027A (en) * 1997-10-03 1999-08-24 Motorola, Inc. Telescopic antenna assembly
US6002943A (en) * 1997-10-07 1999-12-14 Ericsson, Inc. Power limiting circuit for radio communication device with a retractable antenna
US6329962B2 (en) 1998-08-04 2001-12-11 Telefonaktiebolaget Lm Ericsson (Publ) Multiple band, multiple branch antenna for mobile phone
US6310578B1 (en) 1997-10-28 2001-10-30 Telefonaktiebolaget Lm Ericsson (Publ) Multiple band telescope type antenna for mobile phone
US6034639A (en) * 1997-12-22 2000-03-07 T & M Antennas Retractable antenna for portable communicator
US6052089A (en) * 1997-12-23 2000-04-18 Nokia Mobile Phones Limited Half-wave retractable antenna with matching helix
EP1064694A1 (de) 1998-01-29 2001-01-03 Siemens Aktiengesellschaft Funkgerät
US6127979A (en) * 1998-02-27 2000-10-03 Motorola, Inc. Antenna adapted to operate in a plurality of frequency bands
US6054959A (en) * 1998-04-03 2000-04-25 Nortel Networks Corporation Dual resonant antenna
SE9801381D0 (sv) 1998-04-20 1998-04-20 Allgon Ab 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
US5969684A (en) * 1998-05-13 1999-10-19 Ace Technology Co., Ltd. Capacitive coupled extendable antenna for portable communication devices
US6166694A (en) * 1998-07-09 2000-12-26 Telefonaktiebolaget Lm Ericsson (Publ) Printed twin spiral dual band antenna
US6353443B1 (en) 1998-07-09 2002-03-05 Telefonaktiebolaget Lm Ericsson (Publ) Miniature printed spiral antenna for mobile terminals
US6414638B1 (en) 1998-07-27 2002-07-02 Houkou Electric Corporation Antenna for radio telephone
JP2000106502A (ja) * 1998-07-27 2000-04-11 Hoko Denshi Kk 無線機用アンテナ
US6002372A (en) * 1998-09-09 1999-12-14 Centurion International, Inc. Collapsible antenna
US6343208B1 (en) 1998-12-16 2002-01-29 Telefonaktiebolaget Lm Ericsson (Publ) Printed multi-band patch antenna
KR20000053667A (ko) 1999-02-01 2000-09-05 남상임 신축 가능형 무선기기 안테나
JP3982098B2 (ja) * 1999-03-15 2007-09-26 ソニー株式会社 アンテナおよび携帯端末装置
US6327461B1 (en) * 1999-05-03 2001-12-04 T & M Antennas Retractable multiband radiator with switching contact for wireless communication devices
US7065379B1 (en) * 1999-07-02 2006-06-20 Samsung Electronics Co., Ltd. Portable radio terminal equipment having conductor for preventing radiation loss
US6198443B1 (en) * 1999-07-30 2001-03-06 Centurion Intl., Inc. Dual band antenna for cellular communications
AU6487300A (en) * 1999-08-06 2001-03-05 Avantego Ab Antenna arrangement
US6184843B1 (en) * 1999-10-07 2001-02-06 Motorola, Inc. Extendable/stowable antenna
US6275198B1 (en) 2000-01-11 2001-08-14 Motorola, Inc. Wide band dual mode antenna
SE517850C2 (sv) * 2000-04-03 2002-07-23 Allgon Ab Antennanordning och bärbar radiokommunikationsanordning innefattande en sådan antennannordning
US6323812B1 (en) 2000-04-04 2001-11-27 Motorola, Inc. Secondary antenna ground element
US6593897B1 (en) 2000-06-30 2003-07-15 Sirf Technology, Inc. Wireless GPS apparatus with integral antenna device
ATE399431T1 (de) * 2000-08-28 2008-07-15 In4Tel Ltd Vorrichtung und verfahren zur verbesserung des niederfrequenten betriebs von mobilkommunikationsantennen
US6344825B1 (en) 2000-08-31 2002-02-05 Inventec Corporation Antenna apparatus for portable electronic device
KR100365780B1 (ko) * 2000-09-20 2002-12-26 삼성전자 주식회사 이동통신 단말기의 내장형 단일대역 안테나 구현장치 및휩 안테나 연동방법
KR20020022484A (ko) * 2000-09-20 2002-03-27 윤종용 이동통신 단말기의 내장형 이중대역 안테나 구현장치 및휩 안테나 연동방법
US6421016B1 (en) * 2000-10-23 2002-07-16 Motorola, Inc. Antenna system with channeled RF currents
KR100374174B1 (ko) * 2000-10-24 2003-03-03 주식회사 에이스테크놀로지 광대역 내장형 안테나
JP2002204118A (ja) * 2000-10-31 2002-07-19 Mitsubishi Materials Corp アンテナ
JP5028720B2 (ja) * 2001-07-11 2012-09-19 Necネットワークプロダクツ株式会社 アンテナ装置
FI121519B (fi) 2002-04-09 2010-12-15 Pulse Finland Oy Suuntakuvioiltaan muokattava antenni
US6657595B1 (en) 2002-05-09 2003-12-02 Motorola, Inc. Sensor-driven adaptive counterpoise antenna system
JP3713476B2 (ja) 2002-09-10 2005-11-09 株式会社東芝 移動通信端末
JP2006522511A (ja) * 2003-04-04 2006-09-28 ビ ズヴェイドーフ ハンナ 送受信部を有する電子ユニットのシールド装置
US6867748B2 (en) * 2003-06-11 2005-03-15 Inpaq Technology Co., Ltd. Multi-combined multi-frequency antenna
KR100626593B1 (ko) * 2004-09-10 2006-09-25 삼성전자주식회사 휴대용 무선단말기의 안테나 겸용 스타일러스 펜
US7224316B2 (en) * 2005-06-09 2007-05-29 Kyocera Wireless Corp. Retractable stubby antenna
KR20060129773A (ko) * 2005-06-13 2006-12-18 삼성전자주식회사 휴대용 단말기의 안테나 장치
KR101122457B1 (ko) 2008-03-28 2012-03-02 교세라 가부시키가이샤 무선 통신 장치
US8259026B2 (en) * 2008-12-31 2012-09-04 Motorola Mobility Llc Counterpoise to mitigate near field radiation generated by wireless communication devices
US8421683B2 (en) * 2009-06-25 2013-04-16 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Rollable and/or foldable antenna systems and methods for use thereof
KR102029762B1 (ko) * 2012-12-18 2019-10-08 삼성전자주식회사 안테나 모듈 및 이를 포함하는 전자 장치

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5616819Y2 (es) * 1976-09-10 1981-04-20
FR2364529A1 (fr) * 1976-09-11 1978-04-07 Kloeckner Werke Ag Dispositif de vissage et devissage sous tension pour ouvrir et fermer le couvercle d'une cuve de reacteur nucleaire
US4121218A (en) * 1977-08-03 1978-10-17 Motorola, Inc. Adjustable antenna arrangement for a portable radio
HU182355B (en) * 1981-07-10 1983-12-28 Budapesti Radiotechnikai Gyar Aerial array for handy radio transceiver
JPS60107903A (ja) * 1983-11-16 1985-06-13 General Res Obu Erekutoronitsukusu:Kk アンテナ装置
US4571595A (en) * 1983-12-05 1986-02-18 Motorola, Inc. Dual band transceiver antenna
JPH061848B2 (ja) * 1984-09-17 1994-01-05 松下電器産業株式会社 アンテナ
JPS61182302A (ja) * 1985-02-07 1986-08-15 Matsushita Electric Ind Co Ltd 半導体集積回路
US4723305A (en) * 1986-01-03 1988-02-02 Motorola, Inc. Dual band notch antenna for portable radiotelephones
JPS63502317A (ja) * 1986-01-03 1988-09-01 モトロ−ラ・インコ−ポレ−テツド デュアルバンドアンテナを可能にするコネクタのないアンテナカツプラ
US4740794A (en) * 1986-01-03 1988-04-26 Motorola, Inc. Connectorless antenna coupler
US4725845A (en) * 1986-03-03 1988-02-16 Motorola, Inc. Retractable helical antenna
JPS6375970U (es) * 1986-09-26 1988-05-20
US4800395A (en) * 1987-06-22 1989-01-24 Motorola, Inc. High efficiency helical antenna
JPH06236901A (ja) * 1993-02-10 1994-08-23 Toshiba Corp 樹脂モールド装置のワーク搬送装置

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HU895721D0 (en) 1990-09-28
AU610439B2 (en) 1991-05-16
EP0367609B1 (en) 1995-07-26
CA1322785C (en) 1993-10-05
ATE125646T1 (de) 1995-08-15
ES2075060T3 (es) 1995-10-01
DK149590D0 (da) 1990-06-19
KR930001074B1 (ko) 1993-02-15
HU206793B (en) 1992-12-28
AU4339389A (en) 1990-05-28
IE892800L (en) 1990-05-02
DK149590A (da) 1990-06-19
DE68923598D1 (de) 1995-08-31
EP0367609A2 (en) 1990-05-09
IE69268B1 (en) 1996-08-21
DE68923598T2 (de) 1996-03-28
EP0367609A3 (en) 1991-07-10
FI902561A0 (fi) 1990-05-23
KR900702592A (ko) 1990-12-07
RU1838850C (ru) 1993-08-30
US4868576A (en) 1989-09-19
JPH0770896B2 (ja) 1995-07-31
HUT53988A (en) 1990-12-28
WO1990005390A1 (en) 1990-05-17
JPH02271701A (ja) 1990-11-06
BR8907142A (pt) 1991-02-13

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