CN1577960A - 便携式无线电设备 - Google Patents
便携式无线电设备 Download PDFInfo
- Publication number
- CN1577960A CN1577960A CNA200410054973XA CN200410054973A CN1577960A CN 1577960 A CN1577960 A CN 1577960A CN A200410054973X A CNA200410054973X A CN A200410054973XA CN 200410054973 A CN200410054973 A CN 200410054973A CN 1577960 A CN1577960 A CN 1577960A
- Authority
- CN
- China
- Prior art keywords
- antenna
- circuit
- match circuit
- frequency band
- extension
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
-
- 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
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
- H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
- Transmitters (AREA)
- Support Of Aerials (AREA)
Abstract
Description
Claims (50)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003281346 | 2003-07-28 | ||
JP2003281346A JP3839001B2 (ja) | 2003-07-28 | 2003-07-28 | 携帯無線機 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1577960A true CN1577960A (zh) | 2005-02-09 |
CN100525124C CN100525124C (zh) | 2009-08-05 |
Family
ID=33549976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB200410054973XA Expired - Fee Related CN100525124C (zh) | 2003-07-28 | 2004-07-27 | 便携式无线电设备 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7180452B2 (zh) |
EP (1) | EP1505727B1 (zh) |
JP (1) | JP3839001B2 (zh) |
CN (1) | CN100525124C (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103650289A (zh) * | 2011-06-17 | 2014-03-19 | 丰田自动车株式会社 | 电力发送装置、电力接收装置、车辆、非接触式电源系统和用于非接触式电源系统的控制方法 |
CN106159450A (zh) * | 2015-03-26 | 2016-11-23 | 联想(北京)有限公司 | 环形天线和电子设备 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050245228A1 (en) * | 2004-04-29 | 2005-11-03 | Alejandro Candal | Portable communication device for supporting multiple communication modes over a common changeable antenna structure |
JP2005321545A (ja) * | 2004-05-07 | 2005-11-17 | Sony Corp | 撮像装置 |
JP2006229333A (ja) * | 2005-02-15 | 2006-08-31 | Sony Corp | 無線通信装置 |
JP4646827B2 (ja) * | 2006-02-24 | 2011-03-09 | 京セラ株式会社 | マルチバンド無線通信装置及びフィルタ作動制御方法 |
US7342545B2 (en) * | 2006-02-28 | 2008-03-11 | Sony Ericsson Mobile Communications Ab | Antenna system configuration for mobile phones |
WO2008084557A1 (ja) * | 2007-01-12 | 2008-07-17 | Panasonic Corporation | アンテナ装置及び通信装置 |
US8583065B2 (en) * | 2007-06-07 | 2013-11-12 | Vishay Intertechnology, Inc. | Digitally controlled antenna tuning circuit for radio frequency receivers |
US8126410B2 (en) * | 2007-06-07 | 2012-02-28 | Vishay Intertechnology, Inc. | Miniature sub-resonant multi-band VHF-UHF antenna |
JP2009165082A (ja) * | 2008-01-10 | 2009-07-23 | Panasonic Corp | 携帯無線機 |
JP5042157B2 (ja) * | 2008-07-31 | 2012-10-03 | パナソニック株式会社 | 携帯無線機 |
JP5304890B2 (ja) * | 2009-04-01 | 2013-10-02 | 株式会社村田製作所 | アンテナ整合回路、アンテナ装置及びアンテナ装置の設計方法 |
WO2011134534A1 (en) * | 2010-04-30 | 2011-11-03 | Epcos Ag | Adaptive antenna module |
US9236930B2 (en) * | 2013-06-13 | 2016-01-12 | Nokia Technologies Oy | Methods and apparatus for antenna tuning |
KR102423049B1 (ko) | 2018-02-23 | 2022-07-21 | 삼성전자주식회사 | 안테나 튜닝(tuning)을 수행하는 전자 장치 및 그 방법 |
US20200076396A1 (en) * | 2018-08-29 | 2020-03-05 | Mediatek Singapore Pte. Ltd. | Matching network circuit and tuning method thereof |
US20240097333A1 (en) * | 2022-09-21 | 2024-03-21 | Qualcomm Incorporated | Antenna impedance detection and tuning |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1223346A (en) * | 1984-08-14 | 1987-06-23 | Siltronics Ltd. | Antenna |
US4763087A (en) * | 1986-05-27 | 1988-08-09 | Schrader Paul D | Impedance matching network |
JPS63102512A (ja) * | 1986-10-20 | 1988-05-07 | Matsushita Electric Ind Co Ltd | 無線機のアンテナ回路 |
JPH01298804A (ja) * | 1988-05-27 | 1989-12-01 | Mitsubishi Electric Corp | 送受共用空中線装置 |
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 |
JP2783071B2 (ja) * | 1991-09-04 | 1998-08-06 | 日本電気株式会社 | 無線機 |
JPH0653720A (ja) * | 1992-06-03 | 1994-02-25 | Nippon Antenna Kk | 無線通信用広帯域特性ホイップアンテナ |
US6043780A (en) * | 1995-12-27 | 2000-03-28 | Funk; Thomas J. | Antenna adapter |
SE9600538D0 (sv) * | 1996-02-13 | 1996-02-13 | Allgon Ab | Dual band antenna means incorporating helical and elongated radiating structures |
JPH09307331A (ja) * | 1996-03-11 | 1997-11-28 | Murata Mfg Co Ltd | 整合回路及びそれを用いたアンテナ装置 |
US6362737B1 (en) * | 1998-06-02 | 2002-03-26 | Rf Code, Inc. | Object Identification system with adaptive transceivers and methods of operation |
US6075488A (en) * | 1997-04-29 | 2000-06-13 | Galtronics Ltd. | Dual-band stub antenna |
JP3625018B2 (ja) * | 1997-10-29 | 2005-03-02 | 松下電器産業株式会社 | アンテナ装置とそれを用いた携帯無線機 |
CN1268787A (zh) * | 1998-02-27 | 2000-10-04 | 摩托罗拉公司 | 适合于在多个频带中工作的天线 |
JPH11289214A (ja) * | 1998-04-01 | 1999-10-19 | Kenwood Corp | アンテナ装置 |
US6067052A (en) * | 1998-09-18 | 2000-05-23 | Lucent Technologies Inc. | Loop antenna configuration for printed wire board applications |
FR2794574A1 (fr) * | 1999-06-02 | 2000-12-08 | Socapex Amphenol | Systeme d'antenne retractable bi-bande |
JP2001119239A (ja) * | 1999-10-21 | 2001-04-27 | Kenwood Corp | 携帯電話機用アンテナ共振防止回路 |
JP3492613B2 (ja) * | 2000-04-14 | 2004-02-03 | 埼玉日本電気株式会社 | 携帯無線機用アンテナ |
JP2001320292A (ja) * | 2000-05-10 | 2001-11-16 | Matsushita Electric Ind Co Ltd | アンテナ整合装置及び通信用アンテナ整合装置並びに整合方法 |
KR20020019616A (ko) * | 2000-06-14 | 2002-03-12 | 다니구찌 이찌로오, 기타오카 다카시 | 임피던스 정합 회로 및 안테나 장치 |
JP2002076750A (ja) * | 2000-08-24 | 2002-03-15 | Murata Mfg Co Ltd | アンテナ装置およびそれを備えた無線機 |
JP3774136B2 (ja) * | 2000-10-31 | 2006-05-10 | 三菱マテリアル株式会社 | アンテナ及びそれを用いた電波送受信装置 |
JP2002185238A (ja) * | 2000-12-11 | 2002-06-28 | Sony Corp | デュアルバンド対応内蔵アンテナ装置およびこれを備えた携帯無線端末 |
US6690251B2 (en) * | 2001-04-11 | 2004-02-10 | Kyocera Wireless Corporation | Tunable ferro-electric filter |
JP4507445B2 (ja) * | 2001-04-25 | 2010-07-21 | パナソニック株式会社 | 表面実装型アンテナ及びそれを用いた電子機器 |
JP3667667B2 (ja) * | 2001-08-16 | 2005-07-06 | 埼玉日本電気株式会社 | 携帯無線機 |
US6917334B2 (en) * | 2002-04-19 | 2005-07-12 | Skycross, Inc. | Ultra-wide band meanderline fed monopole antenna |
JP3972810B2 (ja) * | 2002-12-18 | 2007-09-05 | 株式会社村田製作所 | 分波器、および通信機 |
JP4207641B2 (ja) * | 2003-04-16 | 2009-01-14 | パナソニック株式会社 | 携帯受信機 |
US20040257283A1 (en) * | 2003-06-19 | 2004-12-23 | International Business Machines Corporation | Antennas integrated with metallic display covers of computing devices |
-
2003
- 2003-07-28 JP JP2003281346A patent/JP3839001B2/ja not_active Expired - Fee Related
-
2004
- 2004-07-21 US US10/895,327 patent/US7180452B2/en not_active Expired - Fee Related
- 2004-07-21 EP EP20040017232 patent/EP1505727B1/en not_active Expired - Lifetime
- 2004-07-27 CN CNB200410054973XA patent/CN100525124C/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103650289A (zh) * | 2011-06-17 | 2014-03-19 | 丰田自动车株式会社 | 电力发送装置、电力接收装置、车辆、非接触式电源系统和用于非接触式电源系统的控制方法 |
CN106159450A (zh) * | 2015-03-26 | 2016-11-23 | 联想(北京)有限公司 | 环形天线和电子设备 |
Also Published As
Publication number | Publication date |
---|---|
US20050024288A1 (en) | 2005-02-03 |
JP2005051503A (ja) | 2005-02-24 |
EP1505727A2 (en) | 2005-02-09 |
EP1505727B1 (en) | 2015-04-29 |
EP1505727A3 (en) | 2005-09-21 |
CN100525124C (zh) | 2009-08-05 |
JP3839001B2 (ja) | 2006-11-01 |
US7180452B2 (en) | 2007-02-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LENOVO INNOVATION CO., LTD. (HONGKONG) Free format text: FORMER OWNER: NEC CORP. Effective date: 20141127 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; TO: HONG KONG, CHINA |
|
TR01 | Transfer of patent right |
Effective date of registration: 20141127 Address after: Hongkong, China Patentee after: LENOVO INNOVATIONS Co.,Ltd.(HONG KONG) Address before: Tokyo, Japan Patentee before: NEC Corp. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20170727 |
|
CF01 | Termination of patent right due to non-payment of annual fee |