DE602008006775D1 - Verbesserte takterzeugung in mrt-empfängern - Google Patents

Verbesserte takterzeugung in mrt-empfängern

Info

Publication number
DE602008006775D1
DE602008006775D1 DE602008006775T DE602008006775T DE602008006775D1 DE 602008006775 D1 DE602008006775 D1 DE 602008006775D1 DE 602008006775 T DE602008006775 T DE 602008006775T DE 602008006775 T DE602008006775 T DE 602008006775T DE 602008006775 D1 DE602008006775 D1 DE 602008006775D1
Authority
DE
Germany
Prior art keywords
clock
analogue
digital
digital signal
radio frequency
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.)
Active
Application number
DE602008006775T
Other languages
English (en)
Inventor
Henricus G Roeven
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602008006775D1 publication Critical patent/DE602008006775D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/124—Sampling or signal conditioning arrangements specially adapted for A/D converters
    • H03M1/1245—Details of sampling arrangements or methods

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE602008006775T 2007-12-11 2008-12-04 Verbesserte takterzeugung in mrt-empfängern Active DE602008006775D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07122849 2007-12-11
PCT/IB2008/055085 WO2009074924A1 (en) 2007-12-11 2008-12-04 Improved clock generation in mri receivers

Publications (1)

Publication Number Publication Date
DE602008006775D1 true DE602008006775D1 (de) 2011-06-16

Family

ID=40512425

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602008006775T Active DE602008006775D1 (de) 2007-12-11 2008-12-04 Verbesserte takterzeugung in mrt-empfängern

Country Status (7)

Country Link
US (1) US8575935B2 (de)
EP (1) EP2223136B1 (de)
JP (1) JP5372008B2 (de)
CN (1) CN101896832B (de)
AT (1) ATE508373T1 (de)
DE (1) DE602008006775D1 (de)
WO (1) WO2009074924A1 (de)

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* Cited by examiner, † Cited by third party
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US9784805B2 (en) * 2007-06-19 2017-10-10 Koninklijke Philips N.V. MRI radio frequency receiver comprising digital down converter with connector that passes analog signal being contained within radio frequency receiver coil unit
RU2559716C2 (ru) * 2009-12-17 2015-08-10 Конинклейке Филипс Электроникс Н.В. Прямой цифровой приемник с локальным независимым тактовым сигналом
JP5422453B2 (ja) * 2010-03-18 2014-02-19 株式会社東芝 磁気共鳴イメージング装置
US8797029B2 (en) * 2011-04-20 2014-08-05 Imris Inc Magnetic resonance signal detection using remotely positioned receive coils
DE102011086288B4 (de) * 2011-11-14 2014-10-09 Siemens Aktiengesellschaft Magnetresonanztomographie-System, Empfangsvorrichtung für ein solches System sowie Verfahren zum Gewinnen eines Bildsignals in dem System
KR101229499B1 (ko) 2011-11-17 2013-02-04 삼성전자주식회사 Ｍｒｉ 시스템의 기기들 사이의 클럭을 동기화하기 위한 장치 및 방법
DE102012215726B4 (de) 2012-09-05 2016-03-31 Siemens Aktiengesellschaft Anordnung zur Übertragung von Magnetresonanzsignalen
KR101943087B1 (ko) * 2012-11-29 2019-01-28 에스케이하이닉스 주식회사 다중위상클럭생성회로
DE102012112234A1 (de) * 2012-12-13 2014-06-18 Endress + Hauser Gmbh + Co. Kg Vorrichtung zur Synchronisierung von Taktfrequenzen
JP6355910B2 (ja) 2012-12-18 2018-07-11 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置
US9536423B2 (en) 2013-03-31 2017-01-03 Case Western Reserve University Fiber optic telemetry for switched-mode current-source amplifier in magnetic resonance imaging (MRI)
JP6100105B2 (ja) * 2013-06-21 2017-03-22 東芝メディカルシステムズ株式会社 磁気共鳴イメージング装置
JP6427582B2 (ja) * 2014-01-03 2018-11-21 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 環境データを用いた勾配磁場コイル増幅器故障の確率の計算
DE102014204446A1 (de) * 2014-03-11 2015-09-17 Siemens Aktiengesellschaft Verfahren zum Betrieb eines Magnetresonanztomographen und Magnetresonanztomograph
TWI555404B (zh) * 2014-03-28 2016-10-21 晨星半導體股份有限公司 多通道串列連線信號接收系統
CN106716165B (zh) * 2014-09-25 2020-01-07 皇家飞利浦有限公司 具有内置接收相位噪声指示器的数字接收器线圈
KR101746799B1 (ko) * 2015-11-04 2017-06-14 주식회사 쏠리드 분산 안테나 시스템
CN108369264B (zh) * 2015-12-16 2021-08-10 皇家飞利浦有限公司 用于对磁共振成像（mri）***进行无线通信同步的***和方法
EP3454052B1 (de) 2016-05-05 2022-10-05 University of Science and Technology of China Magnetresonanzspektrometer und steuerungsvorrichtung für magnetresonanzspektrometer auf basis von fpga
CN110023776B (zh) 2016-09-29 2023-09-22 皇家飞利浦有限公司 用于提高磁共振成像(mri)***中的数据通信链路的效率和鲁棒性的方法和装置
EP3388855A1 (de) * 2017-04-12 2018-10-17 Siemens Healthcare GmbH Vorrichtung und verfahren zur rückgewinnung des zeitlichen bezuges in freilaufenden mr-empfangsketten
CN107247245A (zh) 2017-05-17 2017-10-13 上海东软医疗科技有限公司 接收机、信号接收处理方法和磁共振成像设备
CN112462308A (zh) * 2020-10-21 2021-03-09 上海东软医疗科技有限公司 磁共振信号接收装置和磁共振设备
CN112485736B (zh) * 2020-11-25 2021-08-31 电子科技大学 一种提升磁共振信噪比的近场接收装置
EP4057020A1 (de) * 2021-03-11 2022-09-14 Koninklijke Philips N.V. Phasenkohärentes auslesen von mrt-sensorknoten

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NL8701195A (nl) * 1987-05-19 1988-12-16 Philips Nv M.r.i.-inrichting met digitale zender/ontvanger.
JP3168675B2 (ja) * 1992-03-19 2001-05-21 株式会社日立製作所 核磁気共鳴検査装置
US5529068A (en) * 1994-06-16 1996-06-25 The Regents Of The University Of California Synchronized digital signal processor for MRI reception
US5594341A (en) * 1994-06-27 1997-01-14 Varian Associates, Inc. Nuclear magnetic resonance receiver, method and system
US6046591A (en) * 1998-03-16 2000-04-04 General Electric Company MRI system with fractional decimation of acquired data
DE19911988C2 (de) * 1999-03-17 2003-07-31 Siemens Ag Medizinische Magnetresonanzanlage
JP4369074B2 (ja) * 2001-05-11 2009-11-18 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 高速ａｄ変換信号処理装置、デジタルレシーバフロントエンド回路およびｍｒｉ装置
US6621433B1 (en) * 2001-06-22 2003-09-16 Fonar Corporation Adaptive dynamic range receiver for MRI
US6633162B2 (en) * 2001-08-22 2003-10-14 Ge Medical Systems Global Technology Company, Llc System and method for filtering frequency encoded imaging signals
US6977502B1 (en) * 2002-11-04 2005-12-20 Fonar Corporation Configurable matrix receiver for MRI
US7323876B2 (en) * 2003-09-10 2008-01-29 Koninklijke Philips Electronics N.V. Magnetic resonance imaging receive chain with dynamic gain and wireless receiver coil
WO2006048816A1 (en) * 2004-11-04 2006-05-11 Koninklijke Philips Electronics N.V. Rf receive coil assembly with individual digitizers and means for synchronization thereof
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
JP4936865B2 (ja) * 2006-01-06 2012-05-23 株式会社東芝 磁気共鳴イメージング装置、磁気共鳴イメージング装置のコイルシステムおよび磁気共鳴イメージング装置における受信信号の処理方法
EP1999480B1 (de) * 2006-03-24 2015-07-08 The Medical College of Wisconsin, Inc. System und verfahren zur direkten digitalisierung von nmr-signalen
US9784805B2 (en) * 2007-06-19 2017-10-10 Koninklijke Philips N.V. MRI radio frequency receiver comprising digital down converter with connector that passes analog signal being contained within radio frequency receiver coil unit

Also Published As

Publication number Publication date
JP5372008B2 (ja) 2013-12-18
WO2009074924A1 (en) 2009-06-18
JP2011505948A (ja) 2011-03-03
EP2223136B1 (de) 2011-05-04
EP2223136A1 (de) 2010-09-01
US20100260293A1 (en) 2010-10-14
CN101896832B (zh) 2013-04-03
US8575935B2 (en) 2013-11-05
ATE508373T1 (de) 2011-05-15
CN101896832A (zh) 2010-11-24

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