CN1250163C - 一种计算机断层成象系统和其中重建数字图象数据的方法 - Google Patents

一种计算机断层成象系统和其中重建数字图象数据的方法 Download PDF

Info

Publication number
CN1250163C
CN1250163C CNB001053795A CN00105379A CN1250163C CN 1250163 C CN1250163 C CN 1250163C CN B001053795 A CNB001053795 A CN B001053795A CN 00105379 A CN00105379 A CN 00105379A CN 1250163 C CN1250163 C CN 1250163C
Authority
CN
China
Prior art keywords
signal
data signal
digital
computerized tomography
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.)
Expired - Fee Related
Application number
CNB001053795A
Other languages
English (en)
Chinese (zh)
Other versions
CN1268338A (zh
Inventor
小P·E·皮尔森
M·H·哈里斯
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of CN1268338A publication Critical patent/CN1268338A/zh
Application granted granted Critical
Publication of CN1250163C publication Critical patent/CN1250163C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CNB001053795A 1999-03-31 2000-03-31 一种计算机断层成象系统和其中重建数字图象数据的方法 Expired - Fee Related CN1250163C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/282,535 US6301324B1 (en) 1999-03-31 1999-03-31 RF slipring receiver for a computerized tomography system
US09/282535 1999-03-31

Publications (2)

Publication Number Publication Date
CN1268338A CN1268338A (zh) 2000-10-04
CN1250163C true CN1250163C (zh) 2006-04-12

Family

ID=23081964

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB001053795A Expired - Fee Related CN1250163C (zh) 1999-03-31 2000-03-31 一种计算机断层成象系统和其中重建数字图象数据的方法

Country Status (6)

Country Link
US (2) US6301324B1 (enExample)
EP (1) EP1041785B1 (enExample)
JP (1) JP2000308635A (enExample)
CN (1) CN1250163C (enExample)
DE (1) DE60034622T2 (enExample)
IL (2) IL135205A (enExample)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6396613B1 (en) * 1998-12-22 2002-05-28 General Electric Company Optical high speed communications for a computed tomography x-ray machine
US6370217B1 (en) * 1999-05-07 2002-04-09 General Electric Company Volumetric computed tomography system for cardiac imaging
US6327327B1 (en) * 1999-09-27 2001-12-04 Picker International, Inc. Multi-channel segmented slip ring
DE10007601B4 (de) * 2000-02-18 2005-08-18 Siemens Ag Röntgengerät mit Mitteln zur Übertragung von Daten
US6424159B1 (en) 2000-04-25 2002-07-23 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for monitoring contact slipring disconnections
JP2002085390A (ja) * 2000-06-29 2002-03-26 Siemens Ag Ｘ線設備
JP2005518230A (ja) * 2001-12-19 2005-06-23 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ Ｃｔスキャナにおける無線データ伝送
US6788793B2 (en) 2002-06-04 2004-09-07 Motorola, Inc. Speaker system for an electronic device
DE10241581B4 (de) * 2002-09-05 2007-11-29 Schleifring Und Apparatebau Gmbh Schleifringanordnung insbesondere zum Einsatz in Computertomographen mit Steuerung der Senderamplitude
DE10241583B4 (de) * 2002-09-05 2005-09-01 Schleifring Und Apparatebau Gmbh Empfangseinrichtung für digitale Signale
DE10241554A1 (de) * 2002-09-05 2004-03-25 Schleifring Und Apparatebau Gmbh Empfangseinrichtung für digitale Signale
DE10262316B3 (de) 2002-09-27 2022-05-12 Schleifring Gmbh Vorrichtung zur Übertragung digitaler Signale zwischen beweglichen Einheiten
DE10245450B4 (de) * 2002-09-27 2018-06-14 Schleifring Gmbh Vorrichtung und Verfahren zur Übertragung digitaler Signale zwischen beweglichen Einheiten mit variabler Übertragungsrate
DE10245505B4 (de) * 2002-09-27 2010-03-25 Schleifring Und Apparatebau Gmbh Vorrichtung zur Übertragung digitaler Signale zwischen beweglichen Einheiten mit analoger Filterung
DE10245589B4 (de) * 2002-09-27 2007-04-26 Schleifring Und Apparatebau Gmbh Vorrichtung zur Übertragung digitaler Signale zwischen beweglichen Einheiten
DE10245449A1 (de) * 2002-09-27 2004-04-08 Schleifring Und Apparatebau Gmbh Vorrichtung zur Übertragung digitaler Signale zwischen beweglichen Einheiten mit Beeinflussung der spektralen Eigenschaften
FR2847798B1 (fr) * 2002-11-28 2006-02-10 Ge Med Sys Global Tech Co Llc Procede pour determiner des parametres fonctionnels dans un dispositif de fluoroscopie
DE10354494B4 (de) * 2003-11-21 2019-04-11 Siemens Healthcare Gmbh Verfahren zur Daten- und Signalübertragung zwischen unterschiedlichen Teileinheiten einer medizintechnischen Anlage
DE10356109B4 (de) * 2003-11-27 2006-09-21 Schleifring Und Apparatebau Gmbh Computertomographen mit berührungsloser Energieübertragung
CN1886810B (zh) * 2003-11-27 2010-08-04 滑动环及设备制造有限公司 采用无接触能量传输的计算机层析x射线摄影机
US7079619B2 (en) * 2003-12-17 2006-07-18 Ge Medical Systems Global Technology Company, Llc. System and method for data slipring connection
DE602005003647T2 (de) * 2004-01-29 2008-10-30 Koninklijke Philips Electronics N.V. Windmühlen-artefaktreduktion bei der mehrschicht-ct-rekonstruktion
DE102004031355A1 (de) * 2004-03-31 2005-10-27 Schleifring Und Apparatebau Gmbh Drehübertrager mit dielektrischem Wellenleiter
US7054411B2 (en) * 2004-04-01 2006-05-30 General Electric Company Multichannel contactless power transfer system for a computed tomography system
US7324625B2 (en) * 2004-05-27 2008-01-29 L-3 Communications Security And Detection Systems, Inc. Contraband detection systems using a large-angle cone beam CT system
DE102004050384B4 (de) * 2004-10-15 2010-08-12 Siemens Ag Signalübertragungseinrichtung zur Übertragung von Signalen zwischen zwei relativ zueinander bewegten Elementen unter Nutzung einer optisch auslesbaren Streifenleitung
DE102004051170B4 (de) * 2004-10-20 2015-03-05 Siemens Aktiengesellschaft Computertomographiegerät mit gleichzeitiger kontaktloser elektrischer Übertragung von Versorgungsspannung und Mess- und Steuerdaten
JP2006243865A (ja) 2005-03-01 2006-09-14 Seiko Epson Corp プロセッサおよび情報処理方法
DE102005027632B4 (de) * 2005-03-31 2009-09-24 Schleifring Und Apparatebau Gmbh Mehrkanal-Datenübertragungssystem für Computertomographen
DE102005035802A1 (de) * 2005-07-27 2007-02-01 Schleifring Und Apparatebau Gmbh Datenübertragungssystem für Computertomographen
DE102005022825A1 (de) * 2005-05-12 2007-03-01 Schleifring Und Apparatebau Gmbh Datenübertragungssystem für Computertomographen
US7466791B2 (en) * 2005-05-12 2008-12-16 Schleifring Und Apparatebau Gmbh Data transmission system for computer tomographs
DE102005026158B4 (de) * 2005-06-06 2011-09-15 Schleifring Und Apparatebau Gmbh Datenübertragungssystem für Computertomographen
DE102005056049C5 (de) * 2005-07-29 2016-02-18 Siemens Aktiengesellschaft Vorrichtung zur kontaktlosen Übertragung elektrischer Signale zwischen zwei relativ zueinander bewegten Teilen mit verminderter Störstrahlung
US7957786B2 (en) * 2005-08-15 2011-06-07 General Electric Company Methods and apparatus for communicating signals between portions of an apparatus in relative movement to one another
DE102005040375A1 (de) 2005-08-25 2007-03-01 Dürr Dental GmbH & Co. KG Vorrichtung zur Erstellung von Durchstrahlungsbildern
DE602007000299D1 (de) * 2006-01-18 2009-01-15 Toshiba Kk Röntgen-CT-Gerät und Verknüpfungssystem zur Kommunikation von medizinischen Daten
DE102006054128A1 (de) * 2006-04-24 2007-10-25 Schleifring Und Apparatebau Gmbh Datenübertragungseinrichtung
DE102006021608A1 (de) * 2006-05-09 2007-11-22 Siemens Ag Vorrichtung und Verfahren zur Datenübertragung mit hoher Datenrate zwischen zwei in geringem Abstand relativ zueinander bewegten Teilen
CN101715318B (zh) * 2007-06-21 2012-08-01 滑动环及设备制造有限公司 无接触的旋转传输器
US8989764B2 (en) * 2007-09-05 2015-03-24 The University Of Utah Research Foundation Robust location distinction using temporal link signatures
US7844097B2 (en) * 2007-12-03 2010-11-30 Samplify Systems, Inc. Compression and decompression of computed tomography data
US7717619B2 (en) * 2008-01-18 2010-05-18 General Electric Company Contactless power and data transmission apparatus
DE102008011594A1 (de) 2008-02-28 2009-09-10 Schleifring Und Apparatebau Gmbh Vorrichtung zur kontaktlosen Übertragung elektrischer Signale in einem Computertomographiesystem
DE102008000487A1 (de) * 2008-03-03 2009-09-24 Schleifring Und Apparatebau Gmbh Drehübertrager mit aktiver Kompensation der Übertragungsfunktion
CN101627918A (zh) * 2008-07-18 2010-01-20 Ge医疗系统环球技术有限公司 Ct影像压缩方法和装置
WO2010030927A2 (en) 2008-09-11 2010-03-18 University Of Utah Research Foundation Method and system for secret key exchange using wireless link characteristics and random device movement
US7916830B2 (en) * 2008-09-11 2011-03-29 Samplify Systems, Inc. Edge detection for computed tomography projection data compression
US7852977B2 (en) * 2008-09-11 2010-12-14 Samplify Systems, Inc. Adaptive compression of computed tomography projection data
US8515061B2 (en) * 2008-09-11 2013-08-20 The University Of Utah Research Foundation Method and system for high rate uncorrelated shared secret bit extraction from wireless link characteristics
WO2010030950A2 (en) 2008-09-12 2010-03-18 University Of Utah Research Foundation Method and system for detecting unauthorized wireless access points using clock skews
US8502728B2 (en) * 2008-09-12 2013-08-06 University Of Utah Research Foundation Method and system for tracking objects using radio tomographic imaging
DE102008042697A1 (de) 2008-10-09 2009-11-05 Schleifring Und Apparatebau Gmbh Kontaktloser Drehübertrager mit Taktmodulation
US8045811B2 (en) * 2008-11-26 2011-10-25 Samplify Systems, Inc. Compression and storage of projection data in a computed tomography system
EP2399237B1 (de) * 2009-02-20 2013-08-14 Werth Messtechnik GmbH Verfahren zum messen eines objekts
DE102009060316C5 (de) * 2009-12-23 2019-10-31 Siemens Healthcare Gmbh Vorrichtung zur Datenübertragung, Computertomographiegerät und Verfahren zur Datenübertragung
KR101140669B1 (ko) 2010-06-23 2012-05-03 안기용 회전체 카메라의 슬립링 무선 인터페이스 장치
US8818288B2 (en) 2010-07-09 2014-08-26 University Of Utah Research Foundation Statistical inversion method and system for device-free localization in RF sensor networks
JP2012040216A (ja) * 2010-08-20 2012-03-01 Fujifilm Corp 放射線画像信号の暗号化処理方法、復号化処理方法、放射線画像検出装置および放射線画像信号生成装置
US9042872B1 (en) * 2012-04-26 2015-05-26 Intelligent Technologies International, Inc. In-vehicle driver cell phone detector
US8731530B1 (en) * 2012-04-26 2014-05-20 Intelligent Technologies International, Inc. In-vehicle driver cell phone detector
US8985852B2 (en) 2012-07-12 2015-03-24 Schleifring Und Apparatebau Gmbh Monitoring device for a CT scanner gantry
US20140254602A1 (en) * 2013-03-05 2014-09-11 Schleifring Und Apparatebau Gmbh High Speed Network Contactless Rotary Joint
US9306353B2 (en) 2013-05-29 2016-04-05 Moog Inc. Integrated rotary joint assembly with internal temperature-affecting element
EP3066715B1 (en) * 2013-12-17 2019-11-27 Moog Inc. High-speed data link with planar near-field probe
EP3018842B1 (en) * 2014-11-04 2017-03-22 Schleifring und Apparatebau GmbH Method and device for the adjustment of contactless data links
DE102016122465A1 (de) 2016-11-22 2018-05-24 Hauni Maschinenbau Gmbh Vorrichtung zum Prüfen, Bearbeiten und/oder Fördern von Artikeln der Tabak verarbeitenden Industrie
AU2018240288B2 (en) * 2017-03-24 2023-12-07 Smiths Detection Germany Gmbh Contactless data communication in CT systems
CN112198378B (zh) * 2020-09-07 2022-09-27 上海联影医疗科技股份有限公司 滑环故障检测装置及方法
JP7568570B2 (ja) * 2021-04-08 2024-10-16 キヤノンメディカルシステムズ株式会社 近接通信システム、ｘ線ｃｔ装置及び近接通信制御方法
CN114167480B (zh) * 2021-12-03 2025-09-05 北京航星机器制造有限公司 电容耦合式滑环的安装方法

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3515992A (en) * 1967-06-09 1970-06-02 Itt Automatic alarm detector
US3691465A (en) * 1970-12-14 1972-09-12 Robert I Mcfadyen Low level am detector and automatic gain control network
GB1493148A (en) * 1974-01-31 1977-11-23 Emi Ltd Radiography
NL7707414A (en) * 1977-07-05 1979-01-09 Philips Nv Local surface radiation absorption meter - rotates penetrating radiation and has detectors and A=D converter, adaptor and digital memory
US4329004A (en) 1980-05-12 1982-05-11 Litton Systems, Inc. Gas filled high voltage slip ring assembly
US4323292A (en) 1980-05-12 1982-04-06 Litton Systems, Inc. High voltage slip ring assembly
US4679247A (en) * 1985-03-27 1987-07-07 Cincinnati Microwave, Inc. FM receiver
US4682344A (en) * 1985-07-30 1987-07-21 Amp Incorporated Rf fsk transmitter
US5140696A (en) * 1989-02-28 1992-08-18 Kabushiki Kaisha Toshiba Communication system for transmitting data between a transmitting antenna utilizing strip-line transmission line and a receive antenna in relative movement to one another
US5157393A (en) * 1989-02-28 1992-10-20 Kabushiki Kaisha Toshiba Communication system for transmitting data between a transmitting antenna utilizing leaky coaxial cable and a receive antenna in relative movement to one another
JPH03205901A (ja) * 1989-10-26 1991-09-09 Toshiba Corp 電気機械装置
US5018174A (en) 1989-11-20 1991-05-21 General Electric Company High speed communication apparatus for computerized axial tomography (CAT) scanners
EP0542087A3 (en) * 1991-11-10 1997-12-29 Hewlett-Packard Company Method and apparatus for efficient serialized transmission of handshake signal on a digital bus
US5208581A (en) 1991-11-22 1993-05-04 General Electric Company High speed communication apparatus for computerized axial tomography (cat) scanners with matching receiver
US5261004A (en) * 1991-12-17 1993-11-09 Delco Electronics Corporation Noise blanking circuit for AM stero
US5175754A (en) 1992-05-11 1992-12-29 General Electric Company Gantry position reference for tomographic scanners
US5577026A (en) * 1993-12-28 1996-11-19 Analogic Corporation Apparatus for transferring data to and from a moving device
US5530422A (en) 1994-09-16 1996-06-25 General Electric Company Differentially driven transmission line for high data rate communication in a computerized tomography system
US5530424A (en) 1994-09-16 1996-06-25 General Electric Company Apparatus and method for high data rate communication in a computerized tomography system
US5530423A (en) 1994-09-16 1996-06-25 General Electric Company Transmission line with a grounding brush for high data rate communication in a computerized tomography system
US5530425A (en) 1994-09-16 1996-06-25 General Electric Company Radiation shielded apparatus for high data rate communication in a computerized tomography system
US5646962A (en) 1994-12-05 1997-07-08 General Electric Company Apparatus for reducing electromagnetic radiation from a differentially driven transmission line used for high data rate communication in a computerized tomography system
US5579357A (en) * 1995-03-20 1996-11-26 General Electric Company Transmission line using a phase splitter for high data rate communication in a computerized tomography system
US5600697A (en) 1995-03-20 1997-02-04 General Electric Company Transmission line using a power combiner for high data rate communication in a computerized tomography system
US5737356A (en) * 1995-03-31 1998-04-07 General Electric Company Spectral spreading apparatus for reducing electromagnetic radiation from a transmission line used for high data rate communication in a computerized tomography system
AU2800497A (en) * 1996-04-08 1997-10-29 Harry A. Romano Interrupt modulation method and appratus
US5828719A (en) 1996-12-23 1998-10-27 General Electric Company Methods and apparatus for modulating data acquisition system gain
US6181766B1 (en) * 1998-08-25 2001-01-30 General Electric Company Digital encoding of RF computerized tomography data

Also Published As

Publication number Publication date
EP1041785B1 (en) 2007-05-02
IL135205A (en) 2005-09-25
IL150620A0 (en) 2003-02-12
US6301324B1 (en) 2001-10-09
EP1041785A3 (en) 2004-02-25
CN1268338A (zh) 2000-10-04
US20020003450A1 (en) 2002-01-10
DE60034622T2 (de) 2007-12-27
JP2000308635A (ja) 2000-11-07
EP1041785A2 (en) 2000-10-04
IL135205A0 (en) 2001-05-20
US6433631B2 (en) 2002-08-13
DE60034622D1 (de) 2007-06-14

Similar Documents

Publication Publication Date Title
CN1250163C (zh) 一种计算机断层成象系统和其中重建数字图象数据的方法
AU612533B2 (en) Transient electromagnetic apparatus for detecting irregularities on conductive containers
RU98106238A (ru) Способ управления действительной мощностью передачи базовой станции в сотовой системе связи и устройство для его осуществления
EP2388913B1 (en) Wireless transceiver system
CA2012408A1 (en) A transmission system
EP0099637A2 (en) Method and system for gain selection
US5083080A (en) High frequency signal measuring equipment with cabled detecting and signal companding
NO310895B1 (no) Logging av resistiviteten til bergarter rundt en brönn med fokusering beregnet fra effektive driftsmodi for å simulere endriftsmodus
US7181356B2 (en) Device and method for analyzing the structure of a material
EP0932055A3 (en) NMR sensor
EP0508655B1 (en) Equalized eye pattern instrument
DE60114837T2 (de) Signalmessung
CN1142441C (zh) 辐射和传导测量系统
CN115549778A (zh) 多通道航天级光前置放大器辐照环境测试装置
US4544883A (en) Method and device for rapidly measuring frequency response of electronic test objects
US20030156787A1 (en) Systems and methods for aligning optical fiber to light source or detector
McKinney et al. Analog fiber optic transmission link
EP0314301A2 (en) Apparatus and method for measuring the signal-to-noise ratio
JPS6241020B2 (enExample)
JP3043857B2 (ja) 超音波観測装置
Dietrich et al. Closed-Orbit Correction Using the New Beam Position Monitor Electronics of ELSA Bonn
Koukourlis et al. Performance of a differential synchronous demodulator for electrical impedance tomography
EP0600654A1 (en) Ultrasonic transducer with integrated variable gain amplifier
JPH0838446A (ja) 核磁気共鳴検査装置
Riemann Man-made impulsive noise measured at 450 MHz in a hospital environment

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060412