KR900702592A - 휴대용 쎌(cell)방식 전화기용으로 개선된 연장가능 안테나 - Google Patents

휴대용 쎌(cell)방식 전화기용으로 개선된 연장가능 안테나

Info

Publication number
KR900702592A
KR900702592A KR1019900701377A KR900701377A KR900702592A KR 900702592 A KR900702592 A KR 900702592A KR 1019900701377 A KR1019900701377 A KR 1019900701377A KR 900701377 A KR900701377 A KR 900701377A KR 900702592 A KR900702592 A KR 900702592A
Authority
KR
South Korea
Prior art keywords
extendable
wave radiation
helical
antenna
housing
Prior art date
Application number
KR1019900701377A
Other languages
English (en)
Other versions
KR930001074B1 (ko
Inventor
엠. 죤슨 로버트
Original Assignee
제임스 더블유. 길맨
모토로라 인코포레이티드
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 제임스 더블유. 길맨, 모토로라 인코포레이티드 filed Critical 제임스 더블유. 길맨
Publication of KR900702592A publication Critical patent/KR900702592A/ko
Application granted granted Critical
Publication of KR930001074B1 publication Critical patent/KR930001074B1/ko

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
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
    • 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
    • H01Q1/243—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 with built-in antennas
    • 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
    • H01Q1/243—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 with built-in antennas
    • H01Q1/244—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 with built-in antennas extendable from a housing along a given path
    • 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
    • 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

Landscapes

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

Abstract

내용 없음

Description

휴대용 셀(cell)방식 전화기용으로 개선된 연장가능 안테나
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
이 도면은 본 발명을 실현하는 연장 가능 안테나 시스템을 포함한 휴대용 쎌 방식 전화기의 부분 단면도이다.

Claims (11)

  1. 상단부 및 전도성 표면을 가진 하단부를 가진 하우징 수단안에 설치된 휴대용 라디오 송수신기용 연장가능 시스템에 있어서, 하우징 수단의 상단부안에 설치되고 송수신기에 연결된 제1단부 및 제2단부를 가진 헬리컬 권선을 포함하는 헬리컬 안테나 수단과, 비전도성의 상단 및 하단부와 전도성의 중간부를 가지며 상기 헬리컬 권선을 통해 연장되는 연장 가능 반파장 방사 수단과, 상기 연장 가능 반파장 방사 수단의 전도성 부분은, 하우징 수단의 상단부로부터 연장될때 상기 헬리컬 권선의 제2단부에 용략적으로 연결되고, 하우징 수단의 하단부로 수축될때 그것으로 부터 차단되며, 상기 헬리컬 안테나 수단에 대해 거의 직각인 하우징 수단의 상단부안에 설치되고 송수신기 그라운드 및 상기 하우징 수단의 전도 표면에 연결된 1/4파장 방사 수단을 포함하는 휴대용 라디오 송수신기용 연장 가능 안테나 시스템.
  2. 제1항에 있어서, 상기 연장 가능 반파장 방사 수단의 전도성 중간부가 소정수의 코일로된 스프링으로 구성되는 연장 가능 안테나 시스템.
  3. 제2항에 있어서, 상기 연장 가능 반파장 방사 수단의 상단 및 하단부가 플라스틱으로 되어있으며 상기 반파장 방사 수단의 코일로된 스프링이 플라스틱으로 둘러싸여져 있는 연장 가능 안테나 시스템.
  4. 제1항에 있어서, 상기 1/4파장 방사 수단이 유연한 기판 수단에 부착된 금속 도체로 구성되는 연장 가능 안테나 시스템.
  5. 제4항에 있어서, 상기 1/4파장 방사 수단의 금속 도체가 S자형 패턴을 가진 연장 가능 안테나 시스템.
  6. 송신 수단, 수신 수단, 제1및 제2단부를 가진 전송선 수단 상기 송신 및 수신 수단을 상기 전송선 수단의 제1단부에 연결하기 위해 송수 전환 수단, 상단부 및 하단부를 가진 하우징 수단에서, 상기 하우징 수단의 하단부가 상기 송신 수단, 수신 수단 및 송수 절환 수단을 둘러싸는 전도성 표면을 가지는 하우징 수단, 및 상기 하우징 수단의 상단부안에 설치되고 제1및 제2단부를 가진 헬리컬 권선을 포함하는 헬리컬 안테나 수단에서, 상기 헬리컬 권선의 제1단부가 상기 전송선 수단의 제2단부에 연결되는 헬리컬 안테나 수단, 비전도성 상단 및 하단부 및 전도성 중간부를 가지며 상기 헬리컬 권선을 통해 연장되는 연장 가능 반파장 방사 수단에서, 상기 연장 가능 판파장 방사 수단의 전도부가, 상기 하우징 수단의 상단부로부터 연장될때는 상기 헬리컬 권선의 제2단부에 용량적으로 연결되고, 상기 하우징 수단의 하단부로 수축될때는 그로부터 거의 분리되는 연장가능 반파장 방사수단, 및 상기 헬리컬 안테나 수단에 대해 거의 직각인 상기 하우징 수단의 상단부안에 설치되고 송수신기 그라운드 및 상기 하우징 수단이 전도성 표면에 연결된 1/4파장 수단을 포함하는 연장 가능 안테나 시스템을 포함하는 휴대용 라디오.
  7. 제6항에 있어서, 상기 연장 가능 반파장 방사 수단의 전도성 중심부가 소정수의 코일로 이루어진 스프링으로 구성된 휴대용 라디오.
  8. 제7항에 있어서, 상기 연장 가능 반파장 방사 수단의 상단 및 하단부가 플라스틱으로 되어 있고, 상기 반파장 방사 수단의 코일 스프링이 플라스틱으로 둘러싸여져 있는 휴대용 라디오.
  9. 제6항에 있어서, 상기 1/4파장 방사 수단이 유연한 기판 수단에 부착된 금속 도체로 구성된 휴대용 라디오.
  10. 제9항에 있어서, 상기 1/4파장 방사 수단의 금속 도체가 S자형 패턴을 갖는 휴대용 라디오.
  11. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900701377A 1988-11-02 1989-09-22 휴대용 무선 송수신기용 연장 가능 안테나 시스템 KR930001074B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US266423 1988-11-02
US07/266,423 US4868576A (en) 1988-11-02 1988-11-02 Extendable antenna for portable cellular telephones with ground radiator
US266,423 1988-11-02
PCT/US1989/004063 WO1990005390A1 (en) 1988-11-02 1989-09-22 Improved extendable antenna for portable cellular telephones

Publications (2)

Publication Number Publication Date
KR900702592A true KR900702592A (ko) 1990-12-07
KR930001074B1 KR930001074B1 (ko) 1993-02-15

Family

ID=23014531

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900701377A KR930001074B1 (ko) 1988-11-02 1989-09-22 휴대용 무선 송수신기용 연장 가능 안테나 시스템

Country Status (17)

Country Link
US (1) US4868576A (ko)
EP (1) EP0367609B1 (ko)
JP (1) JPH0770896B2 (ko)
KR (1) KR930001074B1 (ko)
AT (1) ATE125646T1 (ko)
AU (1) AU610439B2 (ko)
BR (1) BR8907142A (ko)
CA (1) CA1322785C (ko)
DE (1) DE68923598T2 (ko)
DK (1) DK149590D0 (ko)
ES (1) ES2075060T3 (ko)
FI (1) FI902561A0 (ko)
HU (1) HU206793B (ko)
IE (1) IE69268B1 (ko)
MX (1) MX166681B (ko)
RU (1) RU1838850C (ko)
WO (1) WO1990005390A1 (ko)

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
CA2024180C (en) * 1989-08-29 1995-06-13 Yoshiharu Tamura Antenna system for portable radio apparatus
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
ATE167769T1 (de) * 1991-04-30 1998-07-15 Siemens Ag Kompaktes funkgerät, insbesondere handfunkgerät, mit versenkbarer oder umklappbarer stabantenne
EP0522806B1 (en) * 1991-07-08 1996-11-20 Nippon Telegraph And Telephone Corporation Retractable antenna system
GB2257835B (en) * 1991-07-13 1995-10-11 Technophone Ltd Retractable antenna
GB2257838B (en) * 1991-07-13 1995-06-14 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
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
BR9306081A (pt) * 1993-01-29 1997-11-18 Motorola Inc Conjunto de antena ara rádio
US5708445A (en) * 1993-01-29 1998-01-13 Motorola, Inc. Antenna assembly for radio circuit and method therefor
US6448490B1 (en) 1993-02-04 2002-09-10 Joseph M. Katz Assembly for attenuating emissions from electronic sources
US5336896A (en) * 1993-02-04 1994-08-09 Katz Joseph M Cellular telephone users protective device
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
DE69409853T2 (de) * 1993-02-25 1998-12-17 Nec Corp Antenne für ein Funksprechgerät
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
SE500331C2 (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
KR0162160B1 (ko) * 1993-09-20 1998-12-01 조나단 피. 메이어 무선 통신 장치용 안테나 장치
US5617105A (en) * 1993-09-29 1997-04-01 Ntt Mobile Communications Network, Inc. Antenna equipment
JPH09503409A (ja) * 1993-10-01 1997-04-08 ボストン・サイエンティフィック・コーポレーション 改良に係る大静脈フィルタ
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
WO1996000990A1 (fr) * 1994-06-28 1996-01-11 Sony Corporation Dispositif d'antenne et dispositif radio portable
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 (ko) * 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
GB2296603B (en) 1994-12-23 1999-02-17 Nokia Mobile Phones Ltd Retractable top load antenna
US6008765A (en) * 1994-12-23 1999-12-28 Nokia Mobile Phones Limited 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
AU3677795A (en) * 1995-04-26 1996-11-18 Westinghouse Electric Corporation Helical antenna having a parasitic element and a method of u sing 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
AU7660696A (en) * 1995-11-15 1997-06-05 Allgon Ab Compact antenna means for portable radio communication devices and switch-less antenna connecting means therefor
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
EP1345283A1 (en) * 1996-06-20 2003-09-17 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
US6456259B1 (en) 1998-01-29 2002-09-24 Siemens Aktiengesellschaft Radio equipment
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
US6353443B1 (en) 1998-07-09 2002-03-05 Telefonaktiebolaget Lm Ericsson (Publ) Miniature printed spiral antenna for mobile terminals
US6166694A (en) * 1998-07-09 2000-12-26 Telefonaktiebolaget Lm Ericsson (Publ) Printed twin spiral dual band antenna
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
CA2420959C (en) * 2000-08-28 2009-11-03 In4Tel Ltd. Apparatus and method for enhancing low-frequency operation of mobile communication antennas
US6344825B1 (en) 2000-08-31 2002-02-05 Inventec Corporation Antenna apparatus for portable electronic device
KR20020022484A (ko) * 2000-09-20 2002-03-27 윤종용 이동통신 단말기의 내장형 이중대역 안테나 구현장치 및휩 안테나 연동방법
KR100365780B1 (ko) * 2000-09-20 2002-12-26 삼성전자 주식회사 이동통신 단말기의 내장형 단일대역 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
DE602004018122D1 (de) 2003-04-04 2009-01-15 Hannah B Zweidorff Abschirmung von mobiltelefonen
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
WO2009119552A1 (ja) * 2008-03-28 2009-10-01 京セラ株式会社 無線通信装置
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 (ko) * 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
US4740794A (en) * 1986-01-03 1988-04-26 Motorola, Inc. Connectorless antenna coupler
WO1987004307A1 (en) * 1986-01-03 1987-07-16 Motorola, Inc. Dual band antenna permitting connectorless antenna coupler
US4725845A (en) * 1986-03-03 1988-02-16 Motorola, Inc. Retractable helical antenna
JPS6375970U (ko) * 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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KR930001074B1 (ko) 1993-02-15
HU895721D0 (en) 1990-09-28
ES2075060T3 (es) 1995-10-01
AU610439B2 (en) 1991-05-16
MX166681B (es) 1993-01-27
EP0367609A2 (en) 1990-05-09
US4868576A (en) 1989-09-19
ATE125646T1 (de) 1995-08-15
DK149590A (da) 1990-06-19
DE68923598D1 (de) 1995-08-31
AU4339389A (en) 1990-05-28
IE892800L (en) 1990-05-02
HUT53988A (en) 1990-12-28
DE68923598T2 (de) 1996-03-28
IE69268B1 (en) 1996-08-21
CA1322785C (en) 1993-10-05
EP0367609A3 (en) 1991-07-10
FI902561A0 (fi) 1990-05-23
JPH0770896B2 (ja) 1995-07-31
HU206793B (en) 1992-12-28
WO1990005390A1 (en) 1990-05-17
BR8907142A (pt) 1991-02-13
JPH02271701A (ja) 1990-11-06
DK149590D0 (da) 1990-06-19
RU1838850C (ru) 1993-08-30
EP0367609B1 (en) 1995-07-26

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