JP4297012B2 - アンテナ - Google Patents
アンテナ Download PDFInfo
- Publication number
- JP4297012B2 JP4297012B2 JP2004245579A JP2004245579A JP4297012B2 JP 4297012 B2 JP4297012 B2 JP 4297012B2 JP 2004245579 A JP2004245579 A JP 2004245579A JP 2004245579 A JP2004245579 A JP 2004245579A JP 4297012 B2 JP4297012 B2 JP 4297012B2
- Authority
- JP
- Japan
- Prior art keywords
- antenna element
- antenna
- power feeding
- feeding unit
- transmission line
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
- H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
- H01Q11/08—Helical 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent 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
-
- 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
-
- 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
- H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
Description
図1は本発明の一実施の形態によるアンテナを模式的に表す図であり、同図において、地板9上には、第1の伝送線路5が配置され、この第1の伝送線路5の一端に第1の無線回路7が接続され、また第1の伝送線路5の他端には第1の給電部3が接続されている。そして、第1の給電部3に第1のアンテナ素子1が接続されている。第1のアンテナ素子1は地板9の上部側に伸びている。
2,22,23,25,28,32 第2のアンテナ素子
3 第1の給電部
4 第2の給電部
5 第1の伝送線路
6 第2の伝送線路
7 第1の無線回路
8 第2の無線回路
9 地板
21,33,35 接地点
26 2周波に対応する第1のアンテナ素子の螺旋部
27 2周波に対応する第1のアンテナ素子のメアンダ部
29,30 整合回路
34 無給電素子
Claims (1)
- 地板上に配置された第1の伝送線路と、上記第1の伝送線路の一端に接続された第1の無線回路と、上記第1の伝送線路の他端に接続された第1の給電部と、上記第1の給電部に接続された第1のアンテナ素子と、上記地板上に配置された第2の伝送線路と、上記第2の伝送線路の一端に接続された第2の無線回路と、上記第2の伝送線路の他端に接続された第2の給電部と、上記第2の給電部に接続された第2のアンテナ素子と、上記第2の給電部近傍の上記地板位置にその一端が接続され、上記第2のアンテナ素子のインピーダンス整合素子として機能するように上記第2のアンテナ素子に対し並設して配された無給電素子とを有し、少なくとも上記第2のアンテナ素子が、対応周波数の略1/2波長の長さで配され、かつその先端が上記地板における上記第1および第2の給電部の間の上記第2の給電部から離れた上記第1の給電部近傍となる位置で接地され、さらに、上記無給電素子の電気長を上記第2のアンテナ素子の対応周波数の1/4波長以下に設定して上記無給電素子を導波器としても機能する構成としたアンテナ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004245579A JP4297012B2 (ja) | 2003-12-10 | 2004-08-25 | アンテナ |
CNB2004101003342A CN100349323C (zh) | 2003-12-10 | 2004-12-06 | 天线 |
US11/006,706 US7027000B2 (en) | 2003-12-10 | 2004-12-08 | Antenna |
DE102004059648A DE102004059648A1 (de) | 2003-12-10 | 2004-12-10 | Antenne |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003411453 | 2003-12-10 | ||
JP2004245579A JP4297012B2 (ja) | 2003-12-10 | 2004-08-25 | アンテナ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005198245A JP2005198245A (ja) | 2005-07-21 |
JP4297012B2 true JP4297012B2 (ja) | 2009-07-15 |
Family
ID=34656245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004245579A Expired - Fee Related JP4297012B2 (ja) | 2003-12-10 | 2004-08-25 | アンテナ |
Country Status (4)
Country | Link |
---|---|
US (1) | US7027000B2 (ja) |
JP (1) | JP4297012B2 (ja) |
CN (1) | CN100349323C (ja) |
DE (1) | DE102004059648A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10418701B2 (en) | 2015-10-22 | 2019-09-17 | Murata Manufacturing Co., Ltd. | Antenna device |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4068587B2 (ja) * | 2004-03-29 | 2008-03-26 | 埼玉日本電気株式会社 | 携帯型無線通信端末装置 |
JP2006203648A (ja) * | 2005-01-21 | 2006-08-03 | Matsushita Electric Ind Co Ltd | 携帯無線機 |
JP4556893B2 (ja) * | 2006-03-20 | 2010-10-06 | 株式会社村田製作所 | 無線通信装置 |
US20100066615A1 (en) * | 2006-12-04 | 2010-03-18 | Motoyuki Okayama | Antenna device and electronic apparatus using the same |
US7439922B2 (en) * | 2006-12-19 | 2008-10-21 | Nokia Corporation | Antenna for a portable device |
JP4571988B2 (ja) * | 2007-01-19 | 2010-10-27 | パナソニック株式会社 | アレーアンテナ装置及び無線通信装置 |
JP5093230B2 (ja) * | 2007-04-05 | 2012-12-12 | 株式会社村田製作所 | アンテナおよび無線通信機 |
JP5294443B2 (ja) * | 2007-06-21 | 2013-09-18 | 三星電子株式会社 | アンテナ装置、及び無線通信端末 |
US7701401B2 (en) * | 2007-07-04 | 2010-04-20 | Kabushiki Kaisha Toshiba | Antenna device having no less than two antenna elements |
JP4966125B2 (ja) * | 2007-07-27 | 2012-07-04 | 株式会社東芝 | アンテナ装置及び無線機 |
EP2110953B1 (en) * | 2008-02-29 | 2010-08-25 | Research In Motion Limited | Mobile wireless communications device with selective load switching for antennas and related methods |
JP5184986B2 (ja) * | 2008-06-16 | 2013-04-17 | 株式会社東芝 | アンテナ装置及び無線装置 |
CN101938032A (zh) * | 2009-07-01 | 2011-01-05 | 联想(北京)有限公司 | 一种笔记本电脑的小型化天线及移动电子设备 |
JP5482171B2 (ja) * | 2009-12-11 | 2014-04-23 | 富士通株式会社 | アンテナ装置、及び無線端末装置 |
CN103026548A (zh) * | 2010-06-02 | 2013-04-03 | 夏普株式会社 | 便携式无线机 |
JP2013541913A (ja) | 2010-10-12 | 2013-11-14 | ジーエヌ リザウンド エー/エス | アンテナ装置 |
EP2546926A1 (en) * | 2011-07-15 | 2013-01-16 | GN Resound A/S | Antenna device |
US8681063B2 (en) | 2011-02-28 | 2014-03-25 | Tdk Corporation | Antenna device |
US9653779B2 (en) | 2012-07-18 | 2017-05-16 | Blackberry Limited | Dual-band LTE MIMO antenna |
JP5708897B2 (ja) * | 2012-12-21 | 2015-04-30 | 株式会社村田製作所 | アンテナ装置および電子機器 |
US10985447B2 (en) | 2013-08-02 | 2021-04-20 | Gn Hearing A/S | Antenna device |
CN103441330A (zh) * | 2013-08-06 | 2013-12-11 | 华为终端有限公司 | 无线通信设备 |
WO2017183123A1 (ja) * | 2016-04-20 | 2017-10-26 | 三菱電機株式会社 | 無線通信装置 |
WO2018123345A1 (ja) * | 2016-12-27 | 2018-07-05 | 株式会社村田製作所 | アンテナ装置 |
CN106848584B (zh) * | 2017-01-20 | 2020-05-22 | 青岛海信移动通信技术股份有限公司 | 一种mimo天线 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0779299B2 (ja) | 1986-08-30 | 1995-08-23 | 日本電気株式会社 | 携帯無線機 |
US5990838A (en) * | 1996-06-12 | 1999-11-23 | 3Com Corporation | Dual orthogonal monopole antenna system |
JP3432768B2 (ja) * | 1999-04-15 | 2003-08-04 | 松下電器産業株式会社 | 携帯型通信端末用アンテナ |
US6456249B1 (en) * | 1999-08-16 | 2002-09-24 | Tyco Electronics Logistics A.G. | Single or dual band parasitic antenna assembly |
US6545643B1 (en) * | 2000-09-08 | 2003-04-08 | 3Com Corporation | Extendable planar diversity antenna |
JP3629448B2 (ja) * | 2001-07-27 | 2005-03-16 | Tdk株式会社 | アンテナ装置及びそれを備えた電子機器 |
JP2004201278A (ja) * | 2002-12-06 | 2004-07-15 | Sharp Corp | パターンアンテナ |
-
2004
- 2004-08-25 JP JP2004245579A patent/JP4297012B2/ja not_active Expired - Fee Related
- 2004-12-06 CN CNB2004101003342A patent/CN100349323C/zh not_active Expired - Fee Related
- 2004-12-08 US US11/006,706 patent/US7027000B2/en not_active Expired - Fee Related
- 2004-12-10 DE DE102004059648A patent/DE102004059648A1/de not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10418701B2 (en) | 2015-10-22 | 2019-09-17 | Murata Manufacturing Co., Ltd. | Antenna device |
Also Published As
Publication number | Publication date |
---|---|
JP2005198245A (ja) | 2005-07-21 |
DE102004059648A1 (de) | 2005-07-14 |
US7027000B2 (en) | 2006-04-11 |
US20050128162A1 (en) | 2005-06-16 |
CN100349323C (zh) | 2007-11-14 |
CN1627558A (zh) | 2005-06-15 |
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