DE69617828T3 - Bilderzeugungsgerät - Google Patents

Bilderzeugungsgerät Download PDF

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Publication number
DE69617828T3
DE69617828T3 DE69617828T DE69617828T DE69617828T3 DE 69617828 T3 DE69617828 T3 DE 69617828T3 DE 69617828 T DE69617828 T DE 69617828T DE 69617828 T DE69617828 T DE 69617828T DE 69617828 T3 DE69617828 T3 DE 69617828T3
Authority
DE
Germany
Prior art keywords
signal
threshold
imaging device
detector elements
ray
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 - Lifetime
Application number
DE69617828T
Other languages
German (de)
English (en)
Other versions
DE69617828T2 (de
DE69617828D1 (de
Inventor
Christopher John Maldon Morcom
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.)
Teledyne UK Ltd
Original Assignee
e2v Technologies UK Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10778593&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69617828(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by e2v Technologies UK Ltd filed Critical e2v Technologies UK Ltd
Application granted granted Critical
Publication of DE69617828D1 publication Critical patent/DE69617828D1/de
Publication of DE69617828T2 publication Critical patent/DE69617828T2/de
Publication of DE69617828T3 publication Critical patent/DE69617828T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/51—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for dentistry
    • A61B6/512—Intraoral means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • G01T1/2914—Measurement of spatial distribution of radiation
    • G01T1/2921—Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras
    • G01T1/2928—Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras using solid state detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/30—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from X-rays
    • 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
    • H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Dentistry (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Measurement Of Radiation (AREA)
DE69617828T 1995-08-01 1996-07-12 Bilderzeugungsgerät Expired - Lifetime DE69617828T3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9515762 1995-08-01
GBGB9515762.4A GB9515762D0 (en) 1995-08-01 1995-08-01 Imaging apparatus

Publications (3)

Publication Number Publication Date
DE69617828D1 DE69617828D1 (de) 2002-01-24
DE69617828T2 DE69617828T2 (de) 2002-04-04
DE69617828T3 true DE69617828T3 (de) 2008-01-24

Family

ID=10778593

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69617828T Expired - Lifetime DE69617828T3 (de) 1995-08-01 1996-07-12 Bilderzeugungsgerät

Country Status (6)

Country Link
US (1) US5694448A (enExample)
EP (1) EP0757474B2 (enExample)
JP (1) JP4111559B2 (enExample)
DE (1) DE69617828T3 (enExample)
GB (1) GB9515762D0 (enExample)
RU (1) RU2153233C2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108322680A (zh) * 2018-01-18 2018-07-24 思特威电子科技（开曼）有限公司 图像传感器的温度自适应黑电平校准方法及系统

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US5912942A (en) * 1997-06-06 1999-06-15 Schick Technologies, Inc. X-ray detection system using active pixel sensors
US6149300A (en) * 1997-10-17 2000-11-21 Welch Allyn, Inc. Intraoral imaging system
CA2388256A1 (en) 1999-10-08 2001-04-19 Dentsply International Inc. Automatic exposure control for dental panoramic and cephalographic x-ray equipment
DE60110206T2 (de) 2000-02-02 2006-03-09 Gendex Corp. Automatische erkennung von röntgenstrahlung für interorales dentales röntgenbildaufnahmegerät
US6404854B1 (en) 2000-06-26 2002-06-11 Afp Imaging Corporation Dental x-ray imaging system
US6307915B1 (en) 2000-06-26 2001-10-23 Afp Imaging Corporation Triggering of solid state X-ray imagers with non-destructive readout capability
US6891926B1 (en) 2000-08-09 2005-05-10 Dalsa, Inc. Fiber bundles for x-ray imaging
EP1408835A2 (en) 2001-07-25 2004-04-21 Dentsply International, Inc. Real-time digital x-ray imaging apparatus
FI117818B (fi) * 2001-08-03 2007-03-15 Palodex Group Oy Säteilytyksen säätö röntgenkuvauslaitteessa, jota käytetään intraoraalisovellutukseen
US6677569B2 (en) * 2001-10-12 2004-01-13 Massachusetts Institute Of Technology Methods and apparatus for performing signal processing functions in an electronic imager
US6794630B2 (en) * 2001-12-17 2004-09-21 Intel Corporation Method and apparatus for adjusting the threshold of a CMOS radiation-measuring circuit
US7197109B2 (en) 2002-07-25 2007-03-27 Gendex Corporation Real-time digital x-ray imaging apparatus
US7006600B1 (en) 2004-01-15 2006-02-28 Progeny, Inc. Integrated digital dental x-ray system
US7848595B2 (en) 2004-06-28 2010-12-07 Inphase Technologies, Inc. Processing data pixels in a holographic data storage system
ES2273132T3 (es) * 2004-08-06 2007-05-01 Gendex Corporation Sensor de imagen para radiografia dental intraoral.
ITBO20040638A1 (it) 2004-10-15 2005-01-15 Elca Technologies S R L Apparecchiatura per l'acquisizione e la visualizzazione di immagini radiografiche dentali e relativo metodo di funzionamento
FR2881640B1 (fr) * 2005-02-09 2007-05-11 Sopro Sa Optimisation de la quantite de rayons x recus par un patient dans un systeme d'acquisition d'image radiologique dentaire
JP2006246961A (ja) 2005-03-08 2006-09-21 Hamamatsu Photonics Kk Ｘ線撮像装置
GB0514998D0 (en) * 2005-07-21 2005-08-31 E2V Tech Uk Ltd Sensor with trigger pixels for imaging of pulsed radiation
JP5105940B2 (ja) * 2007-04-06 2012-12-26 キヤノン株式会社 撮像装置、撮像システム、その制御方法及びプログラム
US9492129B2 (en) * 2008-10-27 2016-11-15 Dental Imaging Technologies Corporation Triggering of intraoral X-ray sensor using pixel array sub-sampling
US8366318B2 (en) * 2009-07-17 2013-02-05 Dental Imaging Technologies Corporation Intraoral X-ray sensor with embedded standard computer interface
US8119990B2 (en) * 2008-10-27 2012-02-21 Imaging Sciences International Llc System and method of X-ray detection with a sensor
JP2012083307A (ja) * 2010-10-14 2012-04-26 Fujifilm Corp 放射線検出装置、放射線画像撮影システム、放射線検出プログラム、及び放射線検出方法
JP2012118312A (ja) 2010-12-01 2012-06-21 Fujifilm Corp 放射線画像検出装置およびその駆動制御方法
FR2977977B1 (fr) * 2011-07-13 2013-08-30 Trixell Procede de commande d'un detecteur photosensible par detection automatique d'un rayonnement incident
US9513377B2 (en) * 2011-10-24 2016-12-06 Helmholtz Zentrum Muenchen Deutsches Forschungszentrum Fuer Gesundheit Und Umwelt (Gmbh) Method for measuring radiation by means of an electronic terminal having a digital camera
JP5988735B2 (ja) * 2012-07-06 2016-09-07 キヤノン株式会社 放射線撮像装置の制御方法、放射線撮像装置、及び、放射線撮像システム
JP5986443B2 (ja) 2012-07-13 2016-09-06 富士フイルム株式会社 放射線画像撮影装置、放射線の照射開始の検出感度の制御方法およびプログラム
JP6577700B2 (ja) 2014-06-30 2019-09-18 キヤノン株式会社 放射線検出装置、その制御方法、放射線撮影装置、およびプログラム
FR3032105B1 (fr) 2015-01-30 2017-01-27 E2V Semiconductors Capteur radiologique avec detection de rayons x
JP6366542B2 (ja) 2015-06-17 2018-08-01 キヤノン株式会社 放射線撮像装置、放射線撮像システムおよび照射開始検出方法
KR101930402B1 (ko) 2017-04-17 2018-12-18 서울대학교산학협력단 톱니모양 문턱전압을 이용한 시간 기반의 신호 획득 장치 및 방법

Family Cites Families (9)

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SU907868A1 (ru) * 1980-04-21 1982-02-23 Научно-Исследовательский Институт Электронной Интроскопии При Томском Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Политехническом Институте Им.С.М.Кирова Устройство дл компенсации различий в чувствительности элементов матрицы фотоприемников
JPS5772113A (en) * 1980-10-23 1982-05-06 Canon Inc Signal processing system
JPH02101878A (ja) * 1988-10-11 1990-04-13 Nec Corp 固体撮像装置
DE3925589C2 (de) † 1989-08-02 1994-03-17 Blaupunkt Werke Gmbh Verfahren und Anordnung zur Störbefreiung von Sprachsignalen
DE8909398U1 (de) * 1989-08-03 1989-10-05 Siemens AG, 1000 Berlin und 8000 München Zahnärztliche Röntgendiagnostikeinrichtung
SE469104B (sv) † 1991-06-03 1993-05-10 Regam Medical Systems Ab Foerfarande och anordning vid roentgenapparat med elektronisk bildavkaenning
SE9201482L (sv) * 1992-05-11 1993-11-12 Regam Medical Systems Ab Metod för kompensering av mörkerström vid CCd-sensor för dentalröntgen
DE4218020C1 (enExample) † 1992-06-01 1993-07-15 Siemens Ag, 8000 Muenchen, De
RU2040862C1 (ru) * 1993-02-02 1995-07-25 Научно-исследовательский институт промышленного телевидения "Растр" Телевизионный анализатор на матрице приборов с зарядовой связью

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108322680A (zh) * 2018-01-18 2018-07-24 思特威电子科技（开曼）有限公司 图像传感器的温度自适应黑电平校准方法及系统

Also Published As

Publication number Publication date
GB9515762D0 (en) 1995-10-04
US5694448A (en) 1997-12-02
DE69617828T2 (de) 2002-04-04
RU2153233C2 (ru) 2000-07-20
DE69617828D1 (de) 2002-01-24
EP0757474A1 (en) 1997-02-05
EP0757474B1 (en) 2001-12-12
JPH09133772A (ja) 1997-05-20
EP0757474B2 (en) 2007-07-18
JP4111559B2 (ja) 2008-07-02

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: E2V TECHNOLOGIES (UK) LTD., CHELMSFORD, ESSEX, GB

8366 Restricted maintained after opposition proceedings