JP5431446B2 - 改良されたループアンテナ - Google Patents
改良されたループアンテナ Download PDFInfo
- Publication number
- JP5431446B2 JP5431446B2 JP2011501302A JP2011501302A JP5431446B2 JP 5431446 B2 JP5431446 B2 JP 5431446B2 JP 2011501302 A JP2011501302 A JP 2011501302A JP 2011501302 A JP2011501302 A JP 2011501302A JP 5431446 B2 JP5431446 B2 JP 5431446B2
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- JP
- Japan
- Prior art keywords
- antenna
- microstrip antenna
- loop
- field
- loop element
- 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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- 238000000034 method Methods 0.000 claims description 11
- 230000005684 electric field Effects 0.000 claims 4
- 238000013461 design Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229920001690 polydopamine Polymers 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000010267 cellular communication Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- MPTQRFCYZCXJFQ-UHFFFAOYSA-L copper(II) chloride dihydrate Chemical compound O.O.[Cl-].[Cl-].[Cu+2] MPTQRFCYZCXJFQ-UHFFFAOYSA-L 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
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- 239000002184 metal Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/005—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with variable reactance for tuning the antenna
-
- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
-
- 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
- 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
- H01Q9/06—Details
- H01Q9/14—Length of element or elements adjustable
Description
Claims (12)
- マイクロストリップアンテナであって、
磁界を生成するよう構成されるループ素子と、
前記ループ素子に導電結合され、あたえられるRF信号に応じて前記ループ素子の電気的長さを変更するよう構成される三角形の要素を含む位相トラッカと、
電界放射器とを含み、前記電界放射器は、前記ループ素子の円周上の前記位相トラッカと反対の位置において結合されるときに、動作周波数において、前記マイクロストリップアンテナによって生じる電界と磁界との間に実質的に90度の位相差があるように、前記磁界に直交する前記電界を生成するよう構成される、マイクロストリップアンテナ。 - 前記電界放射器は四分の一波長アンテナである、請求項1に記載のマイクロストリップアンテナ。
- 前記電界放射器はパッチアンテナである、請求項1に記載のマイクロストリップアンテナ。
- 前記位相トラッカは、前記ループ素子の、前記電界放射器と反対の側に位置決めされる、請求項1から3のいずれか1項に記載のマイクロストリップアンテナ。
- 前記位相トラッカは、前記ループ素子の、前記電界放射器と同じ側に位置決めされる、請求項1から4のいずれか1項に記載のマイクロストリップアンテナ。
- 前記位相トラッカは複数のL−C成分と電気的に等価であり、前記複数のL−C成分のいくつかのみが任意の所与の周波数で共振し、それによってループの電気的長さを変更する、請求項1から5のいずれか1項に記載のマイクロストリップアンテナ。
- 約1.8〜2.7GHzの動作帯域幅を有する、請求項1から6のいずれか1項に記載のマイクロストリップアンテナ。
- 請求項1から7のいずれか1項に記載のマイクロストリップアンテナを複数含む、多素子アンテナ。
- マイクロストリップアンテナを用いてRF信号を送信または受信する方法であって、前記マイクロストリップアンテナは、磁界を生成するループ素子と、前記ループ素子に導電結合され、あたえられるRF信号に応じてループの電気的長さを変更する三角形の要素を含む位相トラッカと、前記磁界に直交する電界を生成し、動作周波数において、前記マイクロストリップアンテナによって生じる前記電界と前記磁界との間に実質的に90度の位相差があるように、前記ループ素子の円周上の前記位相トラッカと反対の位置において結合される電界放射器とを含む、方法。
- 前記RF信号は周波数を約1.8〜2.7GHzの範囲に有する、請求項9に記載の方法。
- 請求項9または10に記載の方法にしたがって送信される信号。
- 請求項9または10に記載の方法にしたがって受信される信号。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0805393.6A GB0805393D0 (en) | 2008-03-26 | 2008-03-26 | Improvements in and relating to antennas |
GB0805393.6 | 2008-03-26 | ||
PCT/GB2009/050296 WO2009118565A1 (en) | 2008-03-26 | 2009-03-26 | Modified loop antenna |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011515977A JP2011515977A (ja) | 2011-05-19 |
JP5431446B2 true JP5431446B2 (ja) | 2014-03-05 |
Family
ID=39386690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011501302A Active JP5431446B2 (ja) | 2008-03-26 | 2009-03-26 | 改良されたループアンテナ |
Country Status (9)
Country | Link |
---|---|
US (2) | US8149173B2 (ja) |
EP (1) | EP2274794B1 (ja) |
JP (1) | JP5431446B2 (ja) |
CN (1) | CN102017290B (ja) |
AU (1) | AU2009229207A1 (ja) |
CA (1) | CA2719378A1 (ja) |
GB (1) | GB0805393D0 (ja) |
IL (1) | IL208012A (ja) |
WO (1) | WO2009118565A1 (ja) |
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US8462061B2 (en) * | 2008-03-26 | 2013-06-11 | Dockon Ag | Printed compound loop antenna |
JP2011139283A (ja) * | 2009-12-28 | 2011-07-14 | Sony Corp | 電子機器、通信装置 |
JP5916019B2 (ja) * | 2010-02-11 | 2016-05-11 | ドックオン エージー | 複合ループアンテナ |
US8164532B1 (en) | 2011-01-18 | 2012-04-24 | Dockon Ag | Circular polarized compound loop antenna |
WO2012124247A1 (ja) * | 2011-03-16 | 2012-09-20 | パナソニック株式会社 | アンテナ装置及び無線通信装置 |
US8654021B2 (en) * | 2011-09-02 | 2014-02-18 | Dockon Ag | Single-sided multi-band antenna |
EP2774216B1 (en) | 2011-11-04 | 2021-05-05 | Dockon AG | Capacitively coupled compound loop antenna |
GB2498375B (en) * | 2012-01-12 | 2017-05-31 | Chemring Tech Solutions Ltd | A buried object detector |
US9621203B2 (en) | 2012-12-03 | 2017-04-11 | Dockon Ag | Medium communication system using log detector amplifier |
US9263787B2 (en) | 2013-03-15 | 2016-02-16 | Dockon Ag | Power combiner and fixed/adjustable CPL antennas |
US9048943B2 (en) | 2013-03-15 | 2015-06-02 | Dockon Ag | Low-power, noise insensitive communication channel using logarithmic detector amplifier (LDA) demodulator |
US9236892B2 (en) | 2013-03-15 | 2016-01-12 | Dockon Ag | Combination of steering antennas, CPL antenna(s), and one or more receive logarithmic detector amplifiers for SISO and MIMO applications |
US9293825B2 (en) * | 2013-03-15 | 2016-03-22 | Verifone, Inc. | Multi-loop antenna system for contactless applications |
KR102226415B1 (ko) | 2013-03-15 | 2021-03-11 | 도콘 아게 | 주파수 복조 능력이 내재된 주파수 선택적 대수 증폭기 |
CN104347926B (zh) * | 2013-07-31 | 2017-04-19 | 华为终端有限公司 | 一种印制天线和终端设备 |
US20150070093A1 (en) | 2013-09-12 | 2015-03-12 | Dockon Ag | Logarithmic Detector Amplifier System for Use as High Sensitivity Selective Receiver Without Frequency Conversion |
US11183974B2 (en) | 2013-09-12 | 2021-11-23 | Dockon Ag | Logarithmic detector amplifier system in open-loop configuration for use as high sensitivity selective receiver without frequency conversion |
US11082014B2 (en) | 2013-09-12 | 2021-08-03 | Dockon Ag | Advanced amplifier system for ultra-wide band RF communication |
US9799956B2 (en) | 2013-12-11 | 2017-10-24 | Dockon Ag | Three-dimensional compound loop antenna |
US9748651B2 (en) | 2013-12-09 | 2017-08-29 | Dockon Ag | Compound coupling to re-radiating antenna solution |
US9496614B2 (en) | 2014-04-15 | 2016-11-15 | Dockon Ag | Antenna system using capacitively coupled compound loop antennas with antenna isolation provision |
US10270170B2 (en) | 2014-04-15 | 2019-04-23 | QuantalRF AG | Compound loop antenna system with isolation frequency agility |
GB2537345A (en) | 2014-10-03 | 2016-10-19 | Cambridge Consultants Inc | Antenna for implant and associated apparatus and methods |
JP2016149709A (ja) * | 2015-02-13 | 2016-08-18 | 株式会社日立製作所 | 無線通信システム及び発電システム |
US10320078B2 (en) | 2016-11-18 | 2019-06-11 | QuantalRF AG | Small form factor CPL antenna with balanced fed dipole electric field radiator |
CN112542680B (zh) * | 2019-09-23 | 2023-07-25 | Oppo广东移动通信有限公司 | Nfc天线组件及电子设备 |
KR102258706B1 (ko) * | 2020-01-15 | 2021-05-31 | 국방과학연구소 | 유사 등방성 안테나 |
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-
2008
- 2008-03-26 GB GBGB0805393.6A patent/GB0805393D0/en not_active Ceased
-
2009
- 2009-03-26 CA CA2719378A patent/CA2719378A1/en not_active Abandoned
- 2009-03-26 JP JP2011501302A patent/JP5431446B2/ja active Active
- 2009-03-26 AU AU2009229207A patent/AU2009229207A1/en not_active Abandoned
- 2009-03-26 US US12/921,124 patent/US8149173B2/en active Active
- 2009-03-26 CN CN200980110807.8A patent/CN102017290B/zh active Active
- 2009-03-26 EP EP09723842.2A patent/EP2274794B1/en active Active
- 2009-03-26 WO PCT/GB2009/050296 patent/WO2009118565A1/en active Application Filing
-
2010
- 2010-09-06 IL IL208012A patent/IL208012A/en active IP Right Grant
- 2010-09-08 US US12/878,016 patent/US8144065B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
AU2009229207A1 (en) | 2009-10-01 |
IL208012A (en) | 2014-12-31 |
US8149173B2 (en) | 2012-04-03 |
EP2274794A1 (en) | 2011-01-19 |
WO2009118565A1 (en) | 2009-10-01 |
EP2274794B1 (en) | 2013-04-24 |
CA2719378A1 (en) | 2009-10-01 |
IL208012A0 (en) | 2010-12-30 |
JP2011515977A (ja) | 2011-05-19 |
CN102017290B (zh) | 2014-12-03 |
CN102017290A (zh) | 2011-04-13 |
GB0805393D0 (en) | 2008-04-30 |
US8144065B2 (en) | 2012-03-27 |
US20110012806A1 (en) | 2011-01-20 |
US20110018775A1 (en) | 2011-01-27 |
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