JP2009511157A - 集積化された電子回路を有するrfアンテナ - Google Patents
集積化された電子回路を有するrfアンテナ Download PDFInfo
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- JP2009511157A JP2009511157A JP2008535167A JP2008535167A JP2009511157A JP 2009511157 A JP2009511157 A JP 2009511157A JP 2008535167 A JP2008535167 A JP 2008535167A JP 2008535167 A JP2008535167 A JP 2008535167A JP 2009511157 A JP2009511157 A JP 2009511157A
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- 238000000034 method Methods 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000002595 magnetic resonance imaging Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 238000001914 filtration Methods 0.000 abstract description 7
- 230000008878 coupling Effects 0.000 description 14
- 238000010168 coupling process Methods 0.000 description 14
- 238000005859 coupling reaction Methods 0.000 description 14
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 13
- 238000003384 imaging method Methods 0.000 description 10
- 230000001360 synchronised effect Effects 0.000 description 7
- 230000005284 excitation Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000004435 EPR spectroscopy Methods 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3621—NMR receivers or demodulators, e.g. preamplifiers, means for frequency modulation of the MR signal using a digital down converter, means for analog to digital conversion [ADC] or for filtering or processing of the MR signal such as bandpass filtering, resampling, decimation or interpolation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3692—Electrical details, e.g. matching or coupling of the coil to the receiver involving signal transmission without using electrically conductive connections, e.g. wireless communication or optical communication of the MR signal or an auxiliary signal other than the MR signal
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- High Energy & Nuclear Physics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
Description
Claims (9)
- 被測定周波数において磁気共鳴信号を取り出す共鳴ピックアップ回路、
前記磁気共鳴信号をデジタルデータに変換するA/D変換器、及び
前記デジタルデータの一次周波数帯域を変換する周波数変換器、
を有し、
前記一次周波数帯域が前記被測定周波数を含む、
無線周波数アンテナ。 - 絶縁基板をさらに有し、前記共鳴ピックアップ回路、前記A/D変換器及び前記周波数変換器が前記絶縁基板上に含まれる、請求項1に記載の無線周波数アンテナ。
- 前記周波数変換器が、前記デジタルデータの前記一次周波数帯域を、前記被測定周波数より十分に大きい被変換周波数帯域に変換する請求項1又は請求項2に記載の無線周波数アンテナ。
- 前記デジタルデータをエンコードする符号化器をさらに有する請求項1から請求項3のいずれか一項に記載の無線周波数アンテナ。
- 前記デジタルデータを復調する復調器回路をさらに有する請求項3又は請求項4に記載の無線周波数アンテナ。
- 前記デジタルデータを光信号に変換する光駆動回路をさらに有する請求項4又は請求項5に記載の無線周波数アンテナ。
- 請求項1から請求項6のいずれか一項に記載の無線周波数アンテナを有する磁気共鳴撮像システム。
- 請求項1に記載の無線周波数アンテナによって受信される磁気共鳴信号の一次周波数帯域を変換する方法であって、
検出素子を用いて被測定周波数における前記磁気共鳴信号を取り出すステップ、
A/D変換器を用いて前記磁気共鳴信号をデジタルデータに変換するステップ、及び
周波数変換器を用いることにより前記一次周波数帯域を変換するステップ、
を有し、
前記一次周波数帯域が前記被測定周波数を含む方法。 - 前記磁気共鳴信号の前記一次周波数帯域を被変換周波数帯域に変換するステップを有する請求項8に記載の方法であって、
A/D変換器の数、A/D変換器あたりのビット数及びA/D変換器のクロックレートの数学的積を計算するステップ、並びに
前記数学的積により決定されるレートで前記デジタルデータをシリアルに送信するステップ、をさらに有し、
前記被変換周波数帯域の上限が前記数学的積によって決定される方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05109413 | 2005-10-11 | ||
EP05109413.4 | 2005-10-11 | ||
PCT/IB2006/053718 WO2007043009A2 (en) | 2005-10-11 | 2006-10-10 | Mr rf antenna with integrated electronics |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009511157A true JP2009511157A (ja) | 2009-03-19 |
JP5404046B2 JP5404046B2 (ja) | 2014-01-29 |
Family
ID=37812059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008535167A Active JP5404046B2 (ja) | 2005-10-11 | 2006-10-10 | 集積化された電子回路を有するrfアンテナ |
Country Status (5)
Country | Link |
---|---|
US (1) | US7777490B2 (ja) |
EP (1) | EP1938119A2 (ja) |
JP (1) | JP5404046B2 (ja) |
CN (1) | CN101283287B (ja) |
WO (1) | WO2007043009A2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011102804A (ja) * | 2009-11-11 | 2011-05-26 | Agilent Technologies Inc | デジタルnmr信号処理システムおよび方法 |
KR101150624B1 (ko) | 2010-12-06 | 2012-05-30 | 주식회사 에프티랩 | 공진주파수 변이를 이용한 정전용량방식 터치스크린패널의 전기적 특성 검사장치 |
JP2016514607A (ja) * | 2013-04-09 | 2016-05-23 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | ディジタル磁気共鳴情報信号を生成する無線周波数アンテナ装置 |
Families Citing this family (18)
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CN101151548B (zh) * | 2005-03-31 | 2011-01-19 | 皇家飞利浦电子股份有限公司 | 包括扫描室接口在接收机线圈单元与远程信号处理单元之间以对mr信号进行a/d转换的mri系统 |
JP5404046B2 (ja) * | 2005-10-11 | 2014-01-29 | コーニンクレッカ フィリップス エヌ ヴェ | 集積化された電子回路を有するrfアンテナ |
EP2165414A2 (en) | 2007-05-31 | 2010-03-24 | Koninklijke Philips Electronics N.V. | Integrated-circuit low-noise amplifier |
CN101688906B (zh) * | 2007-06-19 | 2013-07-17 | 皇家飞利浦电子股份有限公司 | 核磁共振成像射频接收器 |
DE102007047021B4 (de) * | 2007-10-01 | 2011-07-28 | Siemens AG, 80333 | Anordnung zur Übertragung von Magnetresonanzsignalen |
DE602008006775D1 (de) * | 2007-12-11 | 2011-06-16 | Koninkl Philips Electronics Nv | Verbesserte takterzeugung in mrt-empfängern |
DE102011008866A1 (de) * | 2011-01-18 | 2012-07-19 | Christian-Albrechts-Universität Zu Kiel | Verfahren zur Magnetfeldmessung mit magnoelektrischen Sensoren |
US9063244B2 (en) | 2012-03-19 | 2015-06-23 | Baker Hughes Incorporated | Induction logging signals using complex waveforms and directional guidance antenna systems |
US9057799B2 (en) | 2012-03-19 | 2015-06-16 | Baker Hughes Incorporated | Induction logging signals and directional guidance antenna systems |
CN103147745B (zh) * | 2013-02-22 | 2016-03-23 | 电子科技大学 | 一种基于lvds技术的三维声波测井数据高速传输装置 |
US20150285942A1 (en) * | 2014-04-04 | 2015-10-08 | General Electric Company | Solid state photo multiplier device |
WO2016157009A1 (en) | 2015-03-31 | 2016-10-06 | Koninklijke Philips N.V. | Wireless-type rf coil and transmitter for legacy magnetic resonance imaging (mri) systems and method of operation thereof |
EP3270177A1 (de) * | 2017-06-02 | 2018-01-17 | Siemens Healthcare GmbH | Verfahren zum betreiben einer lokalspule und lokalspule sowie magnetresonanztomograph |
US10634751B2 (en) * | 2017-09-30 | 2020-04-28 | Uih America, Inc. | Systems and methods for reducing artifacts in MRI images |
DE102018212087B3 (de) | 2018-07-19 | 2020-01-23 | Siemens Healthcare Gmbh | Empfangsvorrichtung für Signale mit Frequenzmultiplex |
EP4116727A1 (en) | 2021-07-05 | 2023-01-11 | Koninklijke Philips N.V. | Radio frequency receiver array for magnetic resonance imaging |
EP4253981A1 (en) | 2022-03-29 | 2023-10-04 | Koninklijke Philips N.V. | A radio frequency (rf) assembly with planar resonator |
EP4253982A1 (en) | 2022-03-31 | 2023-10-04 | Koninklijke Philips N.V. | Radio frequency coil assembly with signal adjustment circuit, related method and computer program product |
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JPH01223943A (ja) * | 1988-03-01 | 1989-09-07 | Fuji Electric Co Ltd | 核磁気共鳴断層撮像装置の受信装置 |
JPH05261083A (ja) * | 1992-03-19 | 1993-10-12 | Hitachi Ltd | 核磁気共鳴検査装置 |
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WO2004089211A2 (en) * | 2003-04-10 | 2004-10-21 | Koninklijke Philips Electronics N.V. | Wireless digital transmission of mr signals |
EP1938119A2 (en) * | 2005-10-11 | 2008-07-02 | Koninklijke Philips Electronics N.V. | Mr rf antenna with integrated electronics |
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2006
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- 2006-10-10 WO PCT/IB2006/053718 patent/WO2007043009A2/en active Application Filing
- 2006-10-10 CN CN2006800376935A patent/CN101283287B/zh active Active
- 2006-10-10 US US12/089,053 patent/US7777490B2/en active Active
- 2006-10-10 EP EP06809558A patent/EP1938119A2/en not_active Ceased
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011102804A (ja) * | 2009-11-11 | 2011-05-26 | Agilent Technologies Inc | デジタルnmr信号処理システムおよび方法 |
KR101150624B1 (ko) | 2010-12-06 | 2012-05-30 | 주식회사 에프티랩 | 공진주파수 변이를 이용한 정전용량방식 터치스크린패널의 전기적 특성 검사장치 |
JP2016514607A (ja) * | 2013-04-09 | 2016-05-23 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | ディジタル磁気共鳴情報信号を生成する無線周波数アンテナ装置 |
Also Published As
Publication number | Publication date |
---|---|
US7777490B2 (en) | 2010-08-17 |
JP5404046B2 (ja) | 2014-01-29 |
CN101283287A (zh) | 2008-10-08 |
CN101283287B (zh) | 2013-03-06 |
WO2007043009A2 (en) | 2007-04-19 |
WO2007043009A3 (en) | 2007-07-05 |
US20090121717A1 (en) | 2009-05-14 |
EP1938119A2 (en) | 2008-07-02 |
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