DE69419098T2 - Verfahren und vorrichtung zur ausstattung eines lichtdetektors mit einem offset - Google Patents

Verfahren und vorrichtung zur ausstattung eines lichtdetektors mit einem offset

Info

Publication number
DE69419098T2
DE69419098T2 DE69419098T DE69419098T DE69419098T2 DE 69419098 T2 DE69419098 T2 DE 69419098T2 DE 69419098 T DE69419098 T DE 69419098T DE 69419098 T DE69419098 T DE 69419098T DE 69419098 T2 DE69419098 T2 DE 69419098T2
Authority
DE
Germany
Prior art keywords
equiping
offset
light detector
detector
light
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
DE69419098T
Other languages
English (en)
Other versions
DE69419098D1 (de
Inventor
Scott Petrick
Paul Granfors
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 DE69419098D1 publication Critical patent/DE69419098D1/de
Application granted granted Critical
Publication of DE69419098T2 publication Critical patent/DE69419098T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computerised tomographs
    • A61B6/032—Transmission computed tomography [CT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/20—Measuring radiation intensity with scintillation detectors
    • G01T1/2018—Scintillation-photodiode combinations
    • G01T1/20184—Detector read-out circuitry, e.g. for clearing of traps, compensating for traps or compensating for direct hits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/62—Detection or reduction of noise due to excess charges produced by the exposure, e.g. smear, blooming, ghost image, crosstalk or leakage between pixels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/60—Circuit arrangements for obtaining a series of X-ray photographs or for X-ray cinematography
DE69419098T 1993-04-14 1994-03-09 Verfahren und vorrichtung zur ausstattung eines lichtdetektors mit einem offset Expired - Fee Related DE69419098T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/048,118 US5352884A (en) 1993-04-14 1993-04-14 Method and apparatus for providing offset for light detector
PCT/US1994/002533 WO1994024810A1 (en) 1993-04-14 1994-03-09 Method of and apparatus for providing offset for light detector

Publications (2)

Publication Number Publication Date
DE69419098D1 DE69419098D1 (de) 1999-07-22
DE69419098T2 true DE69419098T2 (de) 2000-02-03

Family

ID=21952839

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69419098T Expired - Fee Related DE69419098T2 (de) 1993-04-14 1994-03-09 Verfahren und vorrichtung zur ausstattung eines lichtdetektors mit einem offset

Country Status (5)

Country Link
US (1) US5352884A (de)
EP (1) EP0646305B1 (de)
JP (1) JP3594966B2 (de)
DE (1) DE69419098T2 (de)
WO (1) WO1994024810A1 (de)

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US5815200A (en) * 1994-07-26 1998-09-29 Metanetics Corporation Extended working range dataform reader with reduced power consumption
US5763864A (en) * 1994-07-26 1998-06-09 Meta Holding Corporation Dataform reader including dual laser and imaging reading assemblies
US5811784A (en) * 1995-06-26 1998-09-22 Telxon Corporation Extended working range dataform reader
US5702059A (en) * 1994-07-26 1997-12-30 Meta Holding Corp. Extended working range dataform reader including fuzzy logic image control circuitry
US5783811A (en) * 1995-06-26 1998-07-21 Metanetics Corporation Portable data collection device with LED targeting and illumination assembly
US5818028A (en) * 1995-06-26 1998-10-06 Telxon Corporation Portable data collection device with two dimensional imaging assembly
US5604347A (en) * 1995-07-13 1997-02-18 General Electric Company Method and means for compensating for row variable offsets in a large area solid state x-ray detector
US5714745A (en) * 1995-12-20 1998-02-03 Metanetics Corporation Portable data collection device with color imaging assembly
US5703353A (en) * 1996-01-25 1997-12-30 Hewlett-Packard Company Offset removal and spatial frequency band filtering circuitry for photoreceiver signals
US6448561B1 (en) 1996-02-26 2002-09-10 Canon Kabushiki Kaisha Photoelectric conversion apparatus and driving method of the apparatus
US6127684A (en) * 1996-02-26 2000-10-03 Canon Kabushiki Kaisha Photoelectric conversion apparatus and driving method of the apparatus
US5793033A (en) * 1996-03-29 1998-08-11 Metanetics Corporation Portable data collection device with viewing assembly
US5668375A (en) * 1996-08-26 1997-09-16 General Electric Company Fast scan reset for a large area x-ray detector
US5920070A (en) * 1996-11-27 1999-07-06 General Electric Company Solid state area x-ray detector with adjustable bias
US5751783A (en) * 1996-12-20 1998-05-12 General Electric Company Detector for automatic exposure control on an x-ray imaging system
US6179208B1 (en) 1997-01-31 2001-01-30 Metanetics Corporation Portable data collection device with variable focusing module for optic assembly
FR2760585B1 (fr) * 1997-03-07 1999-05-28 Thomson Tubes Electroniques Procede de commande d'un dispositif photosensible a faible remanence, et dispositif photosensible mettant en oeuvre le procede
US6359967B1 (en) * 1998-11-25 2002-03-19 General Electric Company Method and apparatus for scan charge compensation in a digital detector
FR2796239B1 (fr) * 1999-07-06 2001-10-05 Trixell Sas Procede de commande d'un dispositif photosensible apte a produire des images de bonne qualite
US6437338B1 (en) 1999-09-29 2002-08-20 General Electric Company Method and apparatus for scanning a detector array in an x-ray imaging system
US6457861B1 (en) * 2000-11-15 2002-10-01 Ge Medical Systems Global Technology Company, Llc Method and apparatus for correcting electronic offset and gain variations in a solid state X-ray detector
US8042740B2 (en) 2000-11-24 2011-10-25 Metrologic Instruments, Inc. Method of reading bar code symbols on objects at a point-of-sale station by passing said objects through a complex of stationary coplanar illumination and imaging planes projected into a 3D imaging volume
US7708205B2 (en) 2003-11-13 2010-05-04 Metrologic Instruments, Inc. Digital image capture and processing system employing multi-layer software-based system architecture permitting modification and/or extension of system features and functions by way of third party code plug-ins
US7464877B2 (en) 2003-11-13 2008-12-16 Metrologic Instruments, Inc. Digital imaging-based bar code symbol reading system employing image cropping pattern generator and automatic cropped image processor
US7607581B2 (en) 2003-11-13 2009-10-27 Metrologic Instruments, Inc. Digital imaging-based code symbol reading system permitting modification of system features and functionalities
US7594609B2 (en) 2003-11-13 2009-09-29 Metrologic Instruments, Inc. Automatic digital video image capture and processing system supporting image-processing based code symbol reading during a pass-through mode of system operation at a retail point of sale (POS) station
US7128266B2 (en) 2003-11-13 2006-10-31 Metrologic Instruments. Inc. Hand-supportable digital imaging-based bar code symbol reader supporting narrow-area and wide-area modes of illumination and image capture
US7490774B2 (en) 2003-11-13 2009-02-17 Metrologic Instruments, Inc. Hand-supportable imaging based bar code symbol reader employing automatic light exposure measurement and illumination control subsystem integrated therein
US7540424B2 (en) 2000-11-24 2009-06-02 Metrologic Instruments, Inc. Compact bar code symbol reading system employing a complex of coplanar illumination and imaging stations for omni-directional imaging of objects within a 3D imaging volume
US6393097B1 (en) * 2000-12-22 2002-05-21 Ge Medical Systems Global Technology Company, Llc Digital detector method for dual energy imaging
US6618604B2 (en) 2000-12-28 2003-09-09 Ge Medical Systems Global Technology Company, Llc. Method and apparatus for correcting the offset induced by field effect transistor photo-conductive effects in a solid state x-ray detector
US6818899B2 (en) * 2001-06-07 2004-11-16 Canon Kabushiki Kaisha Radiographic image pickup apparatus and method of driving the apparatus
US6798864B2 (en) * 2002-03-28 2004-09-28 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for providing signal dependent offset and gain adjustments for a solid state X-ray detector
US7122802B2 (en) * 2002-04-19 2006-10-17 Ge Medical Systems Global Technology Company, Llc Method and apparatus for increasing the data acquisition rate in a digital detector
GB2392308B (en) * 2002-08-15 2006-10-25 Detection Technology Oy Packaging structure for imaging detectors
US7841533B2 (en) 2003-11-13 2010-11-30 Metrologic Instruments, Inc. Method of capturing and processing digital images of an object within the field of view (FOV) of a hand-supportable digitial image capture and processing system
EP1967141B1 (de) * 2004-11-26 2011-10-26 Kabushiki Kaisha Toshiba Röntgen-Detektionssystem
US7208741B2 (en) * 2004-11-26 2007-04-24 Kabushiki Kaisha Toshiba X-ray computed tomography scanner and x-ray detecting system
US7232987B2 (en) * 2005-05-25 2007-06-19 Victor Webbeking Instrument and method to measure available light energy for photosynthesis
JP5274098B2 (ja) * 2008-04-30 2013-08-28 キヤノン株式会社 撮像装置、放射線撮像システム、その制御方法及びプログラム
KR101469042B1 (ko) * 2008-08-29 2014-12-05 삼성디스플레이 주식회사 엑스레이 검출 패널 및 엑스레이 검출기
KR101156445B1 (ko) 2010-05-14 2012-06-18 삼성모바일디스플레이주식회사 광검출 픽셀의 구동방법 및 이 광검출 픽셀을 포함하는 엑스레이 검출기의 구동방법
US9554759B2 (en) * 2013-09-18 2017-01-31 Carestream Health, Inc. Digital radiography detector image readout process
CN108962124B (zh) * 2018-08-17 2022-09-06 京东方科技集团股份有限公司 一种驱动电路及驱动方法、x射线探测装置

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US4959723A (en) * 1987-11-06 1990-09-25 Canon Kabushiki Kaisha Solid state image pickup apparatus having multi-phase scanning pulse to read out accumulated signal
FR2638042A1 (fr) * 1988-10-14 1990-04-20 Thomson Csf Procede pour reduire la remanence d'un phototransistor, notamment de type nipin
JPH03119855A (ja) * 1989-10-02 1991-05-22 Nippon Steel Corp 密着型イメージセンサ
DE4002431A1 (de) * 1990-01-27 1991-08-01 Philips Patentverwaltung Sensormatrix
US4996413A (en) * 1990-02-27 1991-02-26 General Electric Company Apparatus and method for reading data from an image detector
US5083016A (en) * 1990-03-27 1992-01-21 Hughes Aircraft Company 3-transistor source follower-per-detector unit cell for 2-dimensional focal plane arrays
DE4118154A1 (de) * 1991-06-03 1992-12-10 Philips Patentverwaltung Anordnung mit einer sensormatrix und einer ruecksetzanordnung

Also Published As

Publication number Publication date
DE69419098D1 (de) 1999-07-22
US5352884A (en) 1994-10-04
EP0646305A1 (de) 1995-04-05
WO1994024810A1 (en) 1994-10-27
JP3594966B2 (ja) 2004-12-02
EP0646305B1 (de) 1999-06-16
JPH07508390A (ja) 1995-09-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: ROEGER UND KOLLEGEN, 73728 ESSLINGEN

8339 Ceased/non-payment of the annual fee