JP2006528853A - 「逆l型」平面アンテナにおける同調の改善 - Google Patents
「逆l型」平面アンテナにおける同調の改善 Download PDFInfo
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- JP2006528853A JP2006528853A JP2006520934A JP2006520934A JP2006528853A JP 2006528853 A JP2006528853 A JP 2006528853A JP 2006520934 A JP2006520934 A JP 2006520934A JP 2006520934 A JP2006520934 A JP 2006520934A JP 2006528853 A JP2006528853 A JP 2006528853A
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- antenna
- ground plane
- planar antenna
- pcb
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Classifications
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- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
-
- 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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Waveguide Aerials (AREA)
- Support Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
- Structure Of Receivers (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
Description
図面では、同じ参照数字を用いて対応する形状を示す。
図2および図3に、ハウジング40を備える携帯無線電話機などの携帯通信装置を示す。ハウジング40は、給電タブ36によって、PCB 12に装着された(図示しない)rf回路に結合されたPIFA 10を含む。短絡タブ38は、PCB 12上の接地面16に弾性的に接触する。短絡タブ38は、インピーダンス変換を実施する。アンテナまたはアンテナを担持する基板の裏面に装着された並列LC回路42は、給電タブ36と平面アンテナに接する給電スルー・ピン46との間で直接に接続される。実際には、給電スルー・ピン46は、アンテナ10の動作に影響を及ぼさないように、給電ピン36に近づけることになる。この回路のインダクタ50およびコンデンサ48の値は、アンテナが受動的に同調するように選択する。例えば、GSM/DCS周波数用のデュアル・バンド・アンテナの場合、より低いGSM周波数は誘導的に同調され、より高いDCS周波数は容量的に同調される。インダクタ50およびコンデンサ48は、離散型または分散型のコンポーネントとしてよい。
r2 放射モード、DCS中心周波数でのZR
b1 平衡モード、GSM中心周波数でのZB
b2 平衡モード、DCS中心周波数でのZB
rb1 GSM中心周波数で放射モードと平衡モードを加算したもの(Kα0の乗算を含む)
rb2 DCS中心周波数で放射モードと平衡モードを加算したもの(Kα0の乗算を含む)
GSMおよびDCSの周波数では、放射モードのインピーダンスは、スロットを伴わないPILAのものに近く、これらの周波数では、スロットは放射モードにあまり影響を及ぼさないことを示している。ただし、より高い周波数では何らかの影響がある。
Claims (11)
- 接地面と、この接地面に接するrf回路と、を含む印刷回路ボード(PCB)と、
パッチ・アンテナと、
前記接地面から離隔するように前記パッチ・アンテナを装着する手段と、
前記パッチ・アンテナを前記rf回路に結合する給電部と、を備える平面アンテナ・アセンブリであって、
前記給電部は、比較的低い周波数を誘導的に同調させ、比較的高い周波数を容量的に同調させることによって前記アンテナを受動的に同調させるコンポーネントを含む、平面アンテナ・アセンブリ。 - 前記コンポーネントは、直列接続された並列L−C回路網を有することを特徴とする、請求項1に記載のアンテナ。
- 接地面と、この接地面に接するrf回路と、を有する印刷回路ボード(PCB)と、前記接地面から離隔した平面アンテナと、前記PCBと前記平面アンテナの間の誘電体と、前記平面アンテナを前記rf回路に結合する給電部と、を収納するハウジングを備える通信装置であって、
前記給電部は、比較的低い周波数を誘導的に同調させ、比較的高い周波数を容量的に同調させることによって前記アンテナを受動的に同調させるコンポーネントを有する、通信装置。 - 前記コンポーネントは、前記平面アンテナによって担持されることを特徴とする、請求項3に記載の装置。
- 前記コンポーネントは、前記PCB上に装着されることを特徴とする、請求項3に記載の装置。
- 前記アンテナは、逆L型平面アンテナ(PILA)であることを特徴とする、請求項3、4、または5に記載の装置。
- 前記コンポーネントは、直列接続された並列L−C回路網を含むことを特徴とする、請求項3から6のいずれか一項に記載の装置。
- 前記コンポーネントは、伝送線路を含むことを特徴とする、請求項3から6のいずれか一項に記載の装置。
- 接地面と、この接地面に接するrf回路と、を含む印刷回路ボード(PCB)と、前記接地面から離隔した平面アンテナと、前記PCBと前記平面アンテナの間のスペース内の誘電体と、前記平面アンテナを前記rf回路に結合する給電部と、を備えるrfモジュールであって、
前記給電部は、比較的低い周波数を誘導的に同調させ、比較的高い周波数を容量的に同調させることによって前記アンテナを受動的に同調させるコンポーネントを含む、rfモジュール。 - 前記コンポーネントは、前記平面アンテナによって担持されることを特徴とする、請求項9に記載のモジュール。
- 前記コンポーネントは、直列接続された並列L−C回路網を含むことを特徴とする、請求項9または10に記載のモジュール。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0317305.1A GB0317305D0 (en) | 2003-07-24 | 2003-07-24 | Improvements in or relating to planar antennas |
PCT/IB2004/002369 WO2005011055A1 (en) | 2003-07-24 | 2004-07-15 | Tuning improvements in “inverted-l” planar antennas |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006528853A true JP2006528853A (ja) | 2006-12-21 |
JP4611299B2 JP4611299B2 (ja) | 2011-01-12 |
Family
ID=27772563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006520934A Active JP4611299B2 (ja) | 2003-07-24 | 2004-07-15 | 「逆l型」平面アンテナにおける同調の改善 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7843397B2 (ja) |
EP (1) | EP1652268B1 (ja) |
JP (1) | JP4611299B2 (ja) |
KR (1) | KR101143731B1 (ja) |
CN (1) | CN1826708A (ja) |
AT (1) | ATE408248T1 (ja) |
DE (1) | DE602004016524D1 (ja) |
GB (1) | GB0317305D0 (ja) |
WO (1) | WO2005011055A1 (ja) |
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FI118782B (fi) * | 2005-10-14 | 2008-03-14 | Pulse Finland Oy | Säädettävä antenni |
US10211538B2 (en) | 2006-12-28 | 2019-02-19 | Pulse Finland Oy | Directional antenna apparatus and methods |
CN101079651B (zh) * | 2007-06-29 | 2014-11-05 | 中兴通讯股份有限公司 | 一种设置在手机主板上的天线及包含该天线的主板 |
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- 2004-07-15 DE DE602004016524T patent/DE602004016524D1/de active Active
- 2004-07-15 JP JP2006520934A patent/JP4611299B2/ja active Active
- 2004-07-15 WO PCT/IB2004/002369 patent/WO2005011055A1/en active IP Right Grant
- 2004-07-15 KR KR1020067001519A patent/KR101143731B1/ko active IP Right Grant
- 2004-07-15 CN CNA2004800210979A patent/CN1826708A/zh active Pending
- 2004-07-15 AT AT04744028T patent/ATE408248T1/de not_active IP Right Cessation
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JPH01245705A (ja) * | 1988-03-28 | 1989-09-29 | Matsushita Electric Works Ltd | 回路一体型アンテナ |
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Also Published As
Publication number | Publication date |
---|---|
US20080055174A1 (en) | 2008-03-06 |
GB0317305D0 (en) | 2003-08-27 |
JP4611299B2 (ja) | 2011-01-12 |
EP1652268B1 (en) | 2008-09-10 |
KR101143731B1 (ko) | 2012-05-09 |
CN1826708A (zh) | 2006-08-30 |
DE602004016524D1 (de) | 2008-10-23 |
EP1652268A1 (en) | 2006-05-03 |
ATE408248T1 (de) | 2008-09-15 |
US7843397B2 (en) | 2010-11-30 |
WO2005011055A1 (en) | 2005-02-03 |
KR20060065638A (ko) | 2006-06-14 |
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