JP4079172B2 - アンテナ構造およびそれを備えた通信機 - Google Patents
アンテナ構造およびそれを備えた通信機 Download PDFInfo
- Publication number
- JP4079172B2 JP4079172B2 JP2005515930A JP2005515930A JP4079172B2 JP 4079172 B2 JP4079172 B2 JP 4079172B2 JP 2005515930 A JP2005515930 A JP 2005515930A JP 2005515930 A JP2005515930 A JP 2005515930A JP 4079172 B2 JP4079172 B2 JP 4079172B2
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- radiation electrode
- resonance frequency
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- 238000004891 communication Methods 0.000 title claims description 26
- 230000005855 radiation Effects 0.000 claims description 263
- 230000003071 parasitic effect Effects 0.000 claims description 64
- 238000009826 distribution Methods 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 11
- 238000005520 cutting process Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000004904 shortening Methods 0.000 description 2
- 238000005549 size reduction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Images
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
- 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
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/005—Patch antenna using one or more coplanar parasitic 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
- H01Q5/342—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
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/378—Combination of fed elements with parasitic 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
- H01Q5/378—Combination of fed elements with parasitic elements
- H01Q5/385—Two or more parasitic 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
- H01Q5/378—Combination of fed elements with parasitic elements
- H01Q5/392—Combination of fed elements with parasitic elements the parasitic elements having dual-band or multi-band characteristics
-
- 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
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the 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
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0442—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular tuning means
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Description
2 給電放射電極
3 無給電放射電極
4 主スリット
10 副スリット
12 オープンスタブ
15 誘電体基体
Claims (8)
- 一端側を給電端部とし他端側を開放端部として複数の共振周波数帯でアンテナ動作を行う給電放射電極と、この給電放射電極に電磁結合し複数の共振周波数帯でアンテナ動作を行う無給電放射電極とを有し、給電放射電極が持つ複数の共振周波数帯のうちの最も低い基本共振周波数帯と、それよりも高い高次共振周波数帯と、無給電放射電極における最も低い基本共振周波数帯と、それよりも高い高次共振周波数帯との少なくとも4つの共振周波数帯での無線通信が可能なアンテナ構造であって、給電放射電極には、その電極端縁から切り込み形成された主スリットが設けられ、この主スリットにより分離された主スリット両側部側の給電放射電極端縁部分の一方側が給電端部と成し、他方側が開放端部と成しており、給電放射電極は、給電端部から主スリットを迂回しながら開放端部に向かう経路の途中にUターン部を備えた折り返し形状の放射電極と成しており、そのUターン部は、基本共振周波数帯の基本共振周波数を持つ基本波の最大電流分布領域を避けた位置であって高次共振周波数帯の高次共振周波数を持つ高次波の最大電流分布領域の位置に設けられ、給電放射電極には、Uターン部に接続してUターン部に静電容量を付与するオープンスタブを形成するための副スリットが主スリットとは別に設けられていることを特徴とするアンテナ構造。
- 主スリットは、コ字形状部分を1つ有する折れ曲がり形状と成していることを特徴とする請求項1記載のアンテナ構造。
- 給電放射電極は、副スリットの仮想延長線を折り曲げ線として折り曲げられた形態と成していることを特徴とする請求項1又は請求項2記載のアンテナ構造。
- 給電放射電極および無給電放射電極は誘電体基体に設けられていることを特徴とする請求項1又は請求項2又は請求項3記載のアンテナ構造。
- 給電放射電極の給電端部側の端縁部と、それに間隔を介して隣り合う無給電放射電極の端縁部とは、それぞれ、グランド接地用のショート部と成している構成を備え、隣り合う給電放射電極と無給電放射電極との対面する外形側辺間の間隔は、外形側辺のショート部側の端部から他端部に向かうに従って広がっていることを特徴とする請求項1乃至請求項4の何れか1つに記載のアンテナ構造。
- 給電放射電極の給電端部側の端縁部と、それに間隔を介して隣り合う無給電放射電極の端縁部とは、それぞれ、グランド接地用のショート部と成している構成を備え、給電放射電極および無給電放射電極は、長方形状の基板の短辺側端部に、ショート部を基板短辺部に接続させて設けられることを特徴とする請求項1乃至請求項5の何れか1つに記載のアンテナ構造。
- 給電放射電極と無給電放射電極のうちの少なくとも一方側は複数設けられており、これら給電放射電極と無給電放射電極の複数の放射電極は、ショート部を同じ側にして一列に配列配置されていることを特徴とする請求項5又は請求項6記載のアンテナ構造。
- 請求項1乃至請求項7の何れか1つに記載のアンテナ構造が設けられていることを特徴とする通信機。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003402544 | 2003-12-02 | ||
JP2003402544 | 2003-12-02 | ||
PCT/JP2004/017788 WO2005055364A1 (ja) | 2003-12-02 | 2004-11-30 | アンテナ構造およびそれを備えた通信機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2005055364A1 JPWO2005055364A1 (ja) | 2007-06-28 |
JP4079172B2 true JP4079172B2 (ja) | 2008-04-23 |
Family
ID=34650035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005515930A Expired - Fee Related JP4079172B2 (ja) | 2003-12-02 | 2004-11-30 | アンテナ構造およびそれを備えた通信機 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7382319B2 (ja) |
JP (1) | JP4079172B2 (ja) |
WO (1) | WO2005055364A1 (ja) |
Families Citing this family (60)
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EP1763905A4 (en) | 2004-06-28 | 2012-08-29 | Pulse Finland Oy | ANTENNA COMPONENT |
FI118748B (fi) | 2004-06-28 | 2008-02-29 | Pulse Finland Oy | Pala-antenni |
FI20041455A (fi) | 2004-11-11 | 2006-05-12 | Lk Products Oy | Antennikomponentti |
US7414583B2 (en) * | 2004-12-08 | 2008-08-19 | Electronics And Telecommunications Research Institute | PIFA, RFID tag using the same and antenna impedance adjusting method thereof |
US8378892B2 (en) | 2005-03-16 | 2013-02-19 | Pulse Finland Oy | Antenna component and methods |
FI20055353A0 (fi) * | 2005-06-28 | 2005-06-28 | Lk Products Oy | Sisäinen monikaista-antenni |
FI20055420A0 (fi) | 2005-07-25 | 2005-07-25 | Lk Products Oy | Säädettävä monikaista antenni |
US7944397B2 (en) | 2005-09-23 | 2011-05-17 | Ace Antenna Corp. | Chip antenna |
FI119535B (fi) * | 2005-10-03 | 2008-12-15 | Pulse Finland Oy | Monikaistainen antennijärjestelmä |
FI119009B (fi) | 2005-10-03 | 2008-06-13 | Pulse Finland Oy | Monikaistainen antennijärjestelmä |
FI118872B (fi) | 2005-10-10 | 2008-04-15 | Pulse Finland Oy | Sisäinen antenni |
TWI275205B (en) * | 2005-12-07 | 2007-03-01 | Compal Electronics Inc | Planar antenna structure |
US20070139280A1 (en) * | 2005-12-16 | 2007-06-21 | Vance Scott L | Switchable planar antenna apparatus for quad-band GSM applications |
FI118837B (fi) | 2006-05-26 | 2008-03-31 | Pulse Finland Oy | Kaksoisantenni |
US8618990B2 (en) | 2011-04-13 | 2013-12-31 | Pulse Finland Oy | Wideband antenna and methods |
US10211538B2 (en) | 2006-12-28 | 2019-02-19 | Pulse Finland Oy | Directional antenna apparatus and methods |
JP4752771B2 (ja) * | 2007-01-19 | 2011-08-17 | 株式会社村田製作所 | アンテナ構造の不要波放射抑制方法およびアンテナ構造およびそれを備えた無線通信装置 |
FI20075269A0 (fi) | 2007-04-19 | 2007-04-19 | Pulse Finland Oy | Menetelmä ja järjestely antennin sovittamiseksi |
FI120427B (fi) | 2007-08-30 | 2009-10-15 | Pulse Finland Oy | Säädettävä monikaista-antenni |
US7642966B2 (en) * | 2008-03-14 | 2010-01-05 | Sony Ericsson Mobile Communications Ab | Carrier and device |
US8164523B2 (en) * | 2008-05-06 | 2012-04-24 | Google Inc. | Compact antenna |
TWI395371B (zh) * | 2009-01-23 | 2013-05-01 | Wistron Neweb Corp | 電子裝置及其天線 |
FI20096134A0 (fi) | 2009-11-03 | 2009-11-03 | Pulse Finland Oy | Säädettävä antenni |
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US8847833B2 (en) | 2009-12-29 | 2014-09-30 | Pulse Finland Oy | Loop resonator apparatus and methods for enhanced field control |
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TWI455404B (zh) * | 2010-11-02 | 2014-10-01 | Ind Tech Res Inst | 調節電磁波穿透響應的結構與調節電磁波輻射特性的天線結構 |
FI20115072A0 (fi) | 2011-01-25 | 2011-01-25 | Pulse Finland Oy | Moniresonanssiantenni, -antennimoduuli ja radiolaite |
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CN102780071B (zh) * | 2011-05-10 | 2014-12-10 | 鸿富锦精密工业(深圳)有限公司 | 立体天线 |
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US9979078B2 (en) | 2012-10-25 | 2018-05-22 | Pulse Finland Oy | Modular cell antenna apparatus and methods |
US10069209B2 (en) | 2012-11-06 | 2018-09-04 | Pulse Finland Oy | Capacitively coupled antenna apparatus and methods |
TWI514678B (zh) * | 2013-01-29 | 2015-12-21 | Realtek Semiconductor Corp | 無線通訊裝置的雙頻天線 |
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CN111697319B (zh) | 2019-03-12 | 2023-06-23 | 株式会社村田制作所 | 天线装置、天线模块以及通信装置 |
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JPH1093332A (ja) | 1996-09-13 | 1998-04-10 | Nippon Antenna Co Ltd | 複共振逆f型アンテナ |
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-
2004
- 2004-11-30 US US10/581,803 patent/US7382319B2/en not_active Expired - Fee Related
- 2004-11-30 JP JP2005515930A patent/JP4079172B2/ja not_active Expired - Fee Related
- 2004-11-30 WO PCT/JP2004/017788 patent/WO2005055364A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2005055364A1 (ja) | 2005-06-16 |
US7382319B2 (en) | 2008-06-03 |
JPWO2005055364A1 (ja) | 2007-06-28 |
US20070115177A1 (en) | 2007-05-24 |
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