JP5009240B2 - マルチバンドアンテナ及び無線通信端末 - Google Patents
マルチバンドアンテナ及び無線通信端末 Download PDFInfo
- Publication number
- JP5009240B2 JP5009240B2 JP2008166421A JP2008166421A JP5009240B2 JP 5009240 B2 JP5009240 B2 JP 5009240B2 JP 2008166421 A JP2008166421 A JP 2008166421A JP 2008166421 A JP2008166421 A JP 2008166421A JP 5009240 B2 JP5009240 B2 JP 5009240B2
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- frequency band
- antenna element
- high frequency
- band
- 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.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
-
- 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
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/321—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/335—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
- H01Q5/364—Creating multiple current paths
- H01Q5/371—Branching current paths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Description
図1には、本発明実施形態のマルチバンドアンテナの概略構成を示す。
図3には図1に示した本発明実施形態のマルチバンドアンテナの試作例を示す。
図5〜図10には、本発明実施形態のマルチバンドアンテナの他の構成例を示す。
本実施形態によれば、2ブランチ以上に分岐したアンテナ素子を有するマルチバンドアンテナにおいて、高域側アンテナ素子にインピーダンス調整機構を挿入接続している。そして、高域側アンテナ素子を本来の高帯域で動作させつつ、インピーダンス調整機構により低域側の周波数でも同調させている。
Claims (7)
- 低周波数帯域用と高周波数帯域用の少なくとも二つのアンテナ素子と、
上記低周波数帯域用と高周波数帯域用の両アンテナ素子で共有される給電点部と、
上記高周波数帯域用のアンテナ素子の上記給電点部側の端部から開放端部までの間に挿入接続され、共振周波数が上記高周波数帯域と低周波数帯域の略々中間に設定されていると共に低周波数帯域ではインダクタとして動作し高周波数帯域ではキャパシタとして動作するLC並列共振回路からなるインピーダンス整合部と、
を有するマルチバンドアンテナ。 - 上記LC並列共振回路のインダクタは所望のインダクタンスが得られる長さの導電体からなり、キャパシタは所望のキャパシタンスが得られる距離の空間を隔てて対向した導電体若しくは空間内に誘電体が挟まれた導電体からなる請求項1記載のマルチバンドアンテナ。
- 上記高周波数帯域用のアンテナ素子は、二つ以上のアンテナ素子からなり、
当該高周波数帯域用の二つ以上の各アンテナ素子が上記給電点部を共有し、それら二つ以上の各アンテナ素子の少なくとも一つのアンテナ素子に上記インピーダンス整合部が挿入接続されてなる請求項1記載のマルチバンドアンテナ。 - 上記高周波数帯域用のアンテナ素子は、二つ以上のアンテナ素子からなり、
当該高周波数帯域用の二つ以上の各アンテナ素子は、上記給電点部に接続された給電点側アンテナ素子と、一方の端部が接地され他方の開放端部が上記給電点側アンテナ素子の開放端部と空間を隔てて対向した接地側アンテナ素子とからなり、上記給電点側アンテナ素子に上記インピーダンス整合部が挿入接続されてなる請求項1記載のマルチバンドアンテナ。 - 上記低周波数帯域用のアンテナ素子と高周波数帯域用のアンテナ素子の両開放端部を対向配置させてなる請求項1記載のマルチバンドアンテナ。
- 上記インピーダンス整合部から上記高周波数帯域用のアンテナ素子の開放端部までの間に、直列にインダクタを挿入接続してなる請求項1記載のマルチバンドアンテナ。
- 低周波数帯域用と高周波数帯域用の少なくとも二つのアンテナ素子と、上記低周波数帯域用と高周波数帯域用の両アンテナ素子で共有される給電点部と、上記高周波数帯域用のアンテナ素子の上記給電点部側の端部から開放端部までの間に挿入接続され、共振周波数が上記高周波数帯域と低周波数帯域の略々中間に設定されていると共に低周波数帯域ではインダクタとして動作し高周波数帯域ではキャパシタとして動作するLC並列共振回路からなるインピーダンス整合部とを有するマルチバンドアンテナを備えた無線通信端末。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008166421A JP5009240B2 (ja) | 2008-06-25 | 2008-06-25 | マルチバンドアンテナ及び無線通信端末 |
US12/473,682 US8736509B2 (en) | 2008-06-25 | 2009-05-28 | Multiband antenna and radio communication terminal |
EP09163578.9A EP2139067B1 (en) | 2008-06-25 | 2009-06-24 | Multiband antenna and radio communication terminal |
CN200910150908A CN101615725A (zh) | 2008-06-25 | 2009-06-25 | 多波段天线和无线电通信终端 |
CN201511018077.2A CN105609955A (zh) | 2008-06-25 | 2009-06-25 | 多波段天线和无线电通信终端 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008166421A JP5009240B2 (ja) | 2008-06-25 | 2008-06-25 | マルチバンドアンテナ及び無線通信端末 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010010960A JP2010010960A (ja) | 2010-01-14 |
JP5009240B2 true JP5009240B2 (ja) | 2012-08-22 |
Family
ID=41100612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008166421A Expired - Fee Related JP5009240B2 (ja) | 2008-06-25 | 2008-06-25 | マルチバンドアンテナ及び無線通信端末 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8736509B2 (ja) |
EP (1) | EP2139067B1 (ja) |
JP (1) | JP5009240B2 (ja) |
CN (2) | CN101615725A (ja) |
Families Citing this family (19)
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CN103004021B (zh) * | 2010-05-24 | 2015-04-15 | 诺基亚公司 | 用于无线通信的装置、方法、计算机程序和计算机可读存储介质 |
JP5398021B2 (ja) | 2010-10-21 | 2014-01-29 | Necアクセステクニカ株式会社 | アンテナ装置 |
JP5637565B2 (ja) | 2011-11-22 | 2014-12-10 | Necプラットフォームズ株式会社 | マルチバンドアンテナおよび携帯端末 |
JPWO2013136749A1 (ja) * | 2012-03-15 | 2015-08-03 | Necカシオ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端末 |
KR101360561B1 (ko) * | 2012-06-28 | 2014-02-11 | 엘지이노텍 주식회사 | 안테나 장치 |
US9786987B2 (en) | 2012-09-14 | 2017-10-10 | Panasonic Intellectual Property Management Co., Ltd. | Small antenna apparatus operable in multiple frequency bands |
CN102983394B (zh) * | 2012-09-19 | 2015-07-15 | 电子科技大学 | 覆盖五个频段的小尺寸平面天线 |
CN103022637B (zh) * | 2012-11-22 | 2016-08-03 | 中兴通讯股份有限公司 | 一种内置天线、内置天线的移动终端及其通信方法 |
JP2014135664A (ja) * | 2013-01-11 | 2014-07-24 | Tyco Electronics Japan Kk | アンテナ装置 |
CN103094717B (zh) * | 2013-02-19 | 2017-02-15 | 魅族科技(中国)有限公司 | 一种终端设备的天线和终端设备 |
CN104112907A (zh) * | 2013-04-19 | 2014-10-22 | 深圳富泰宏精密工业有限公司 | 多频天线 |
JP2015133570A (ja) * | 2014-01-10 | 2015-07-23 | 株式会社国際電気通信基礎技術研究所 | アンテナ装置および無線通信装置 |
JP6288299B2 (ja) * | 2014-11-14 | 2018-03-07 | 株式会社村田製作所 | アンテナ装置および通信装置 |
WO2016182801A1 (en) * | 2015-05-11 | 2016-11-17 | Carrier Corporation | Antenna with reversing current elements |
WO2018016339A1 (ja) * | 2016-07-20 | 2018-01-25 | 株式会社村田製作所 | マルチバンドアンテナおよび電子機器 |
US10892553B2 (en) * | 2018-01-17 | 2021-01-12 | Kymeta Corporation | Broad tunable bandwidth radial line slot antenna |
CN112635991A (zh) * | 2019-10-08 | 2021-04-09 | 中兴通讯股份有限公司 | 一种天线、天线供电方法、天线单馈组合方法及装置 |
TWI714372B (zh) * | 2019-11-29 | 2020-12-21 | 緯創資通股份有限公司 | 天線結構 |
CN112310637A (zh) * | 2020-09-03 | 2021-02-02 | 瑞声新能源发展(常州)有限公司科教城分公司 | 天线组件及移动终端 |
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-
2008
- 2008-06-25 JP JP2008166421A patent/JP5009240B2/ja not_active Expired - Fee Related
-
2009
- 2009-05-28 US US12/473,682 patent/US8736509B2/en active Active
- 2009-06-24 EP EP09163578.9A patent/EP2139067B1/en active Active
- 2009-06-25 CN CN200910150908A patent/CN101615725A/zh active Pending
- 2009-06-25 CN CN201511018077.2A patent/CN105609955A/zh active Pending
Also Published As
Publication number | Publication date |
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US20090322618A1 (en) | 2009-12-31 |
EP2139067B1 (en) | 2021-08-04 |
CN101615725A (zh) | 2009-12-30 |
EP2139067A1 (en) | 2009-12-30 |
US8736509B2 (en) | 2014-05-27 |
CN105609955A (zh) | 2016-05-25 |
JP2010010960A (ja) | 2010-01-14 |
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