ATE484102T1 - Datensignalverstärker mit automatisch steuerbarem dynamischem signalumfang - Google Patents

Datensignalverstärker mit automatisch steuerbarem dynamischem signalumfang

Info

Publication number
ATE484102T1
ATE484102T1 AT02768440T AT02768440T ATE484102T1 AT E484102 T1 ATE484102 T1 AT E484102T1 AT 02768440 T AT02768440 T AT 02768440T AT 02768440 T AT02768440 T AT 02768440T AT E484102 T1 ATE484102 T1 AT E484102T1
Authority
AT
Austria
Prior art keywords
data signal
dynamic range
automatically controlled
preamplifier
preamplifier stage
Prior art date
Application number
AT02768440T
Other languages
English (en)
Inventor
Edward Seppi
Edward Shapiro
George Zentai
Richard Colbeth
Original Assignee
Varian Med Sys Inc
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 Varian Med Sys Inc filed Critical Varian Med Sys Inc
Application granted granted Critical
Publication of ATE484102T1 publication Critical patent/ATE484102T1/de

Links

Classifications

    • 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
    • H03M1/129—Means for adapting the input signal to the range the converter can handle, e.g. limiting, pre-scaling ; Out-of-range indication
    • 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
    • H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/76—Circuitry for compensating brightness variation in the scene by influencing the image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/30—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming X-rays into image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
    • H04N25/78—Readout circuits for addressed sensors, e.g. output amplifiers or A/D converters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/32—Transforming X-rays

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Measurement Of Radiation (AREA)
  • Analogue/Digital Conversion (AREA)
  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
AT02768440T 2001-10-16 2002-08-08 Datensignalverstärker mit automatisch steuerbarem dynamischem signalumfang ATE484102T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/978,727 US6486808B1 (en) 2001-10-16 2001-10-16 Data signal amplifier with automatically controllable dynamic signal range
PCT/US2002/024958 WO2003034594A1 (en) 2001-10-16 2002-08-08 Data signal amplifier with automatically controllable dynamic signal range

Publications (1)

Publication Number Publication Date
ATE484102T1 true ATE484102T1 (de) 2010-10-15

Family

ID=25526338

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02768440T ATE484102T1 (de) 2001-10-16 2002-08-08 Datensignalverstärker mit automatisch steuerbarem dynamischem signalumfang

Country Status (7)

Country Link
US (1) US6486808B1 (de)
EP (1) EP1436898B1 (de)
JP (1) JP4612303B2 (de)
CN (1) CN100391105C (de)
AT (1) ATE484102T1 (de)
DE (1) DE60237908D1 (de)
WO (1) WO2003034594A1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6868138B2 (en) * 2002-05-29 2005-03-15 The Regents Of The University Of Michigan Method, processor and computed tomography (CT) machine for generating images utilizing high and low sensitivity data collected from a flat panel detector having an extended dynamic range
US7356115B2 (en) 2002-12-04 2008-04-08 Varian Medical Systems Technology, Inc. Radiation scanning units including a movable platform
US7945021B2 (en) 2002-12-18 2011-05-17 Varian Medical Systems, Inc. Multi-mode cone beam CT radiotherapy simulator and treatment machine with a flat panel imager
US6901135B2 (en) * 2003-08-28 2005-05-31 Bio-Imaging Research, Inc. System for extending the dynamic gain of an X-ray detector
US7095028B2 (en) * 2003-10-15 2006-08-22 Varian Medical Systems Multi-slice flat panel computed tomography
US7589326B2 (en) 2003-10-15 2009-09-15 Varian Medical Systems Technologies, Inc. Systems and methods for image acquisition
US7002408B2 (en) * 2003-10-15 2006-02-21 Varian Medical Systems Technologies, Inc. Data signal amplifier and processor with multiple signal gains for increased dynamic signal range
US7443435B2 (en) * 2004-07-07 2008-10-28 Altasens, Inc. Column amplifier with automatic gain selection for CMOS image sensors
US7605854B2 (en) 2004-08-11 2009-10-20 Broadcom Corporation Operational amplifier for an active pixel sensor
US7145188B2 (en) * 2004-08-19 2006-12-05 Broadcom Corporation Apparatus and method of image processing to avoid image saturation
US7231014B2 (en) 2005-02-14 2007-06-12 Varian Medical Systems Technologies, Inc. Multiple mode flat panel X-ray imaging system
KR100756426B1 (ko) 2005-06-16 2007-09-07 한국과학기술원 잔류전압의 오차교정이 가능한 다중 디지털 아날로그변환회로 및 샘플/홀드 회로
JP4773768B2 (ja) * 2005-08-16 2011-09-14 キヤノン株式会社 放射線撮像装置、その制御方法及び放射線撮像システム
EP2005576A1 (de) 2006-03-27 2008-12-24 Shell Internationale Research Maatschappij B.V. Verstärker und verfahren zur verstärkung eines eingabesignals
WO2009006465A2 (en) * 2007-07-03 2009-01-08 Shell Oil Company System and method for measuring a time-varying magnetic field and method for production of a hydrocarbon fluid
CN102066975B (zh) * 2008-06-26 2016-03-23 皇家飞利浦电子股份有限公司 信噪比改进的高动态范围x射线探测器
US8040270B2 (en) * 2009-02-26 2011-10-18 General Electric Company Low-noise data acquisition system for medical imaging
US9559639B2 (en) * 2009-08-19 2017-01-31 Qualcomm Incorporated Protection circuit for power amplifier
US9083889B2 (en) * 2010-02-28 2015-07-14 Himax Imaging, Inc. Signal processing circuit capable of selectively adjusting gain factor of sample-and-hold circuit and signal processing method thereof
US8472583B2 (en) 2010-09-29 2013-06-25 Varian Medical Systems, Inc. Radiation scanning of objects for contraband
CN102821254B (zh) * 2011-06-08 2015-05-20 北京中科美伦医疗股份有限公司 用于x射线下获得的ccd图像信号的预放大处理电路
US9128195B2 (en) * 2012-03-28 2015-09-08 Luxen Technologies, Inc. Increasing dynamic range for x-ray image sensor
US20130256542A1 (en) * 2012-03-28 2013-10-03 Luxen Technologies, Inc. Programmable readout integrated circuit for an ionizing radiation sensor
EP2693739A1 (de) * 2012-08-01 2014-02-05 Agilent Technologies, Inc. Elektronisch variabler Bereich für Röntgenstrahldetektor
JP6442154B2 (ja) * 2014-04-23 2018-12-19 浜松ホトニクス株式会社 画像取得装置及び画像取得方法
JP5874109B2 (ja) * 2014-07-23 2016-03-02 株式会社リガク Ｘ線検出信号処理装置およびそれを用いたｘ線分析装置
EP3151545A1 (de) * 2015-10-01 2017-04-05 Paul Scherrer Institut Verfahren zur erweiterung des dynamischen bereichs eines bildelementdetektorsystems durch automatische umschaltung der verstärkung
KR101823532B1 (ko) * 2016-01-26 2018-01-30 삼성전자주식회사 Ｘ선 디텍터 장치 및 ｘ선 디텍터 장치의 동작 방법
CN115604596B (zh) * 2022-10-09 2024-03-15 成都微光集电科技有限公司 一种图像传感器读出系统、读出方法及其图像传感器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4899115A (en) * 1988-11-18 1990-02-06 Cb Labs, Inc. System for controlling the dynamic range of electric musical instruments
JP3439228B2 (ja) * 1992-10-29 2003-08-25 アルパイン株式会社 騒音キャンセル装置
US5469115A (en) * 1994-04-28 1995-11-21 Qualcomm Incorporated Method and apparatus for automatic gain control in a digital receiver
JPH07336169A (ja) * 1994-06-03 1995-12-22 Youzan:Kk 増幅回路
US6084461A (en) 1996-11-29 2000-07-04 Varian Medical Systems, Inc. Charge sensitive amplifier with high common mode signal rejection
US5801571A (en) 1996-11-29 1998-09-01 Varian Associates, Inc. Current mode analog signal multiplexor
US5872470A (en) 1996-11-29 1999-02-16 Varian Associates, Inc. Pipelined sample and hold circuit with correlated double sampling
US5970115A (en) 1996-11-29 1999-10-19 Varian Medical Systems, Inc. Multiple mode digital X-ray imaging system
AU2321400A (en) * 1999-01-29 2000-08-18 Hamamatsu Photonics K.K. Photodetector device
US6310567B1 (en) * 1999-09-07 2001-10-30 Linear Technology Corporation Programmable configuration, level and output voltage range circuits and methods for signal processors

Also Published As

Publication number Publication date
DE60237908D1 (de) 2010-11-18
EP1436898B1 (de) 2010-10-06
CN100391105C (zh) 2008-05-28
JP4612303B2 (ja) 2011-01-12
CN1554149A (zh) 2004-12-08
JP2005507189A (ja) 2005-03-10
EP1436898A1 (de) 2004-07-14
EP1436898A4 (de) 2005-04-20
WO2003034594A1 (en) 2003-04-24
US6486808B1 (en) 2002-11-26

Similar Documents

Publication Publication Date Title
ATE484102T1 (de) Datensignalverstärker mit automatisch steuerbarem dynamischem signalumfang
EP0385713A3 (de) Empfangsvorrichtung zur Reduzierung von Rauschen
ATE439702T1 (de) Datensignalverstärker und -prozessor mit mehreren signalverstärkungen für vergrösserten dynamik- signalumfang
DK1574084T3 (da) NxM krydspunktskontakt med båndomsætning
EP1480494A3 (de) Rückkopplungsunterdrückung bei akustischer Signalverarbeitung unter Verwendung von Frequenzumsetzung
KR970019506A (ko) 충분한 임피던스 매칭 특성 및 선형 agc 특성을 동시에 만족시키는 agc 장치
US8165327B2 (en) Method for generating acoustic signals of a hearing aid
SE8402166L (sv) Sett och anordning for att styra forsterkningsfaktorn i en forsterkare
WO2003045109A3 (en) Improved dynamic range analog to digital converter suitable for hearing aid applications
ATE326077T1 (de) Linearisierung eines verstärkers
NL1019630A1 (nl) Klemschakeling en werkwijze voor het vergroten van het dynamisch bereik van een ingangsbeeldsignaal en voor het minimaliseren van lijnruis.
EP1104222A3 (de) Hörhilfegerät
DK1143611T3 (da) Digital automatisk gainstyring
ATE452465T1 (de) Verstärkervorrichtung, verfahren und system
EP1241921A3 (de) Akustischer Signalprozessor
ES2151228T3 (es) Preamplificador de procesamiento de señales para un sistema de disco optico.
EP1416711A4 (de) Signalverarbeitungsschaltung und halbleiter-bilderfassungseinrichtung
EP1753128A3 (de) Verstärkerschaltung mit einer Vorrichtung zur Vorspannungssteuerung
DE60315832D1 (de) Empfangssignalpegelangabe
KR950019712A (ko) 적외선 센서 구동회로
ATE265758T1 (de) Signalpegelregelung
KR850002942A (ko) 차동 청진기
JPH03113385A (ja) デブロッキング回路
Watkinson Stereo from all angles
KR950022150A (ko) 가변 감쇠기를 이용한 자동 이득 조절장치

Legal Events

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