ATE508373T1 - Verbesserte takterzeugung in mrt-empfängern - Google Patents

Verbesserte takterzeugung in mrt-empfängern

Info

Publication number
ATE508373T1
ATE508373T1 AT08860257T AT08860257T ATE508373T1 AT E508373 T1 ATE508373 T1 AT E508373T1 AT 08860257 T AT08860257 T AT 08860257T AT 08860257 T AT08860257 T AT 08860257T AT E508373 T1 ATE508373 T1 AT E508373T1
Authority
AT
Austria
Prior art keywords
clock
analogue
digital
digital signal
radio frequency
Prior art date
Application number
AT08860257T
Other languages
English (en)
Inventor
Henricus Roeven
Original Assignee
Koninkl 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE508373T1 publication Critical patent/ATE508373T1/de

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)
AT08860257T 2007-12-11 2008-12-04 Verbesserte takterzeugung in mrt-empfängern ATE508373T1 (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
ATE508373T1 true ATE508373T1 (de) 2011-05-15

Family

ID=40512425

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08860257T ATE508373T1 (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)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US9417300B2 (en) 2009-12-17 2016-08-16 Koninklijke Philips N.V. Direct digital receiver with local free running clock
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
US9747789B2 (en) * 2013-03-31 2017-08-29 Case Western Reserve University Magnetic resonance imaging with switched-mode current-source amplifier having gallium nitride field effect transistors for parallel transmission in 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
CN105874345B (zh) * 2014-01-03 2020-06-23 皇家飞利浦有限公司 使用环境数据的梯度线圈放大器故障的概率的计算
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
RU2700469C2 (ru) * 2014-09-25 2019-09-17 Конинклейке Филипс Н.В. Катушка цифрового приемника со встроенным индикатором принимаемого фазового шума
KR101746799B1 (ko) * 2015-11-04 2017-06-14 주식회사 쏠리드 분산 안테나 시스템
EP3391068B1 (de) * 2015-12-16 2022-04-20 Koninklijke Philips N.V. Systeme und methoden zur synchronisierung von kabelloser kommunikation fuer magnetresonanzbildgebungssysteme
EP3454052B1 (de) 2016-05-05 2022-10-05 University of Science and Technology of China Magnetresonanzspektrometer und steuerungsvorrichtung für magnetresonanzspektrometer auf basis von fpga
WO2018060432A1 (en) 2016-09-29 2018-04-05 Koninklijke Philips N.V. Method and apparatus for improving data communications link efficiency and robustness in a magnetic resonance imaging (mri) system
EP3388855B1 (de) * 2017-04-12 2024-08-28 Siemens Healthineers AG 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
CN117572312B (zh) * 2023-11-16 2024-11-01 北京大学深圳研究生院 超高场磁共振成像设备及超高场多通道并行发射系统
CN120233286A (zh) * 2023-12-29 2025-07-01 上海联影医疗科技股份有限公司 磁共振射频信号接收链路的建链方法和接收链路

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP1664820B1 (de) * 2003-09-10 2008-10-22 Koninklijke Philips Electronics N.V. Magnetresonanzabbildungs-empfangskette mit dynamischer verstärkung und drahtloser empfängerspule
CN101052890B (zh) * 2004-11-04 2012-01-11 皇家飞利浦电子股份有限公司 磁共振设备和磁共振成像方法
US7777490B2 (en) * 2005-10-11 2010-08-17 Koninklijke Philips Electronics N.V. RF antenna with integrated electronics
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
EP2223136A1 (de) 2010-09-01
US8575935B2 (en) 2013-11-05
JP2011505948A (ja) 2011-03-03
CN101896832B (zh) 2013-04-03
DE602008006775D1 (de) 2011-06-16
WO2009074924A1 (en) 2009-06-18
EP2223136B1 (de) 2011-05-04
US20100260293A1 (en) 2010-10-14
CN101896832A (zh) 2010-11-24
JP5372008B2 (ja) 2013-12-18

Similar Documents

Publication Publication Date Title
DE602008006775D1 (de) Verbesserte takterzeugung in mrt-empfängern
CN102188243B (zh) 磁共振成像装置
JP5624283B2 (ja) 磁気共鳴診断装置および磁気共鳴診断メインユニット
CN102830379B (zh) 相位比较器
TW200623661A (en) Ratiometric clock systems for integrated receivers and associated methods
US20090267601A1 (en) Rf receive coil assembly with individual digitizers and means for synchronization thereof
MX2009010308A (es) Sistema de difusion digital y metodo de procesar datos.
EP2101438A3 (de) Kommunikationssystem, Empfänger und Empfangsverfahren
WO2007112003A3 (en) System and method for direct digitization of nmr signals
SG169336A1 (en) A receiver arrangement and a transmitter arrangement
JPWO2016194518A1 (ja) 同期信号変換装置
WO2008144921A1 (en) Gnss receiver and antenna system including a digital communication subsystem
RU2007140253A (ru) Система получения изображений методом ядерного магнитного резонанса, содержащая интерфейс кабинета томографии для аналого-цифрового преобразования сигналов ядерного магнитного резонанса между блоком приемных катушек и удаленным блоком обработки сигнала
GB2440075A (en) Method and apparatus for implementing cooperative diversity using partial channel knowledge
SG159527A1 (en) A positioning system and method
TW200503426A (en) A transmission system, a receiving unit, and detection unit
JP6363906B2 (ja) 同期信号変換装置
KR101029121B1 (ko) 2 개의 톤 주파수 신호의 주파수 편이 변조를 통한 시각 방송정보의 전력선 방송 송수신 장치 및 송수신 방법
JP5683771B2 (ja) アレイアンテナシステム
PH12012502531A1 (en) Clocking scheme for a wireless communication device
CN201450508U (zh) 一种时间同步仪
ATE429736T1 (de) Zeitsystem und verfahren für ein drahtloses sendeempfangssystem
KR101121468B1 (ko) 전력선을 이용한 시각정보 방송의 시스템
JP2012029255A (ja) 電力線搬送通信システム、電力線搬送通信方法、プログラムおよび記録媒体
PL2313852T3 (pl) Dokument i sposób samoweryfikacji dokumentu

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties