EP0234603A2 - Röntgengenerator mit Dosisleistungsregelung - Google Patents

Röntgengenerator mit Dosisleistungsregelung Download PDF

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Publication number
EP0234603A2
EP0234603A2 EP87200013A EP87200013A EP0234603A2 EP 0234603 A2 EP0234603 A2 EP 0234603A2 EP 87200013 A EP87200013 A EP 87200013A EP 87200013 A EP87200013 A EP 87200013A EP 0234603 A2 EP0234603 A2 EP 0234603A2
Authority
EP
European Patent Office
Prior art keywords
examination
value
sampling
dose rate
controller
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.)
Granted
Application number
EP87200013A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0234603A3 (en
EP0234603B1 (de
Inventor
Rudolf Ochmann
Robert Zimmermann
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.)
Philips Intellectual Property and Standards GmbH
Koninklijke Philips NV
Original Assignee
Philips Patentverwaltung GmbH
Philips Gloeilampenfabrieken NV
Koninklijke 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 Philips Patentverwaltung GmbH, Philips Gloeilampenfabrieken NV, Koninklijke Philips Electronics NV filed Critical Philips Patentverwaltung GmbH
Publication of EP0234603A2 publication Critical patent/EP0234603A2/de
Publication of EP0234603A3 publication Critical patent/EP0234603A3/de
Application granted granted Critical
Publication of EP0234603B1 publication Critical patent/EP0234603B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H05G1/26—Measuring, controlling or protecting
    • H05G1/30—Controlling
    • H05G1/38—Exposure time
    • H05G1/42—Exposure time using arrangements for switching when a predetermined dose of radiation has been applied, e.g. in which the switching instant is determined by measuring the electrical energy supplied to the tube
    • H05G1/44—Exposure time using arrangements for switching when a predetermined dose of radiation has been applied, e.g. in which the switching instant is determined by measuring the electrical energy supplied to the tube in which the switching instant is determined by measuring the amount of radiation directly
    • 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
    • H05G1/26—Measuring, controlling or protecting
    • H05G1/30—Controlling
    • H05G1/36—Temperature of anode; Brightness of image power
    • 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
    • H05G1/26—Measuring, controlling or protecting
    • H05G1/30—Controlling
    • H05G1/46—Combined control of different quantities, e.g. exposure time as well as voltage or current
EP87200013A 1986-01-10 1987-01-07 Röntgengenerator mit Dosisleistungsregelung Expired - Lifetime EP0234603B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863600464 DE3600464A1 (de) 1986-01-10 1986-01-10 Roentgengenerator mit dosisleistungsregelung
DE3600464 1986-01-10

Publications (3)

Publication Number Publication Date
EP0234603A2 true EP0234603A2 (de) 1987-09-02
EP0234603A3 EP0234603A3 (en) 1988-08-17
EP0234603B1 EP0234603B1 (de) 1992-07-08

Family

ID=6291589

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87200013A Expired - Lifetime EP0234603B1 (de) 1986-01-10 1987-01-07 Röntgengenerator mit Dosisleistungsregelung

Country Status (4)

Country Link
US (1) US4797905A (un)
EP (1) EP0234603B1 (un)
JP (1) JP2591739B2 (un)
DE (2) DE3600464A1 (un)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3732634A1 (de) * 1987-09-28 1989-04-06 Siemens Ag Roentgendiagnostikeinrichtung
DE3801027A1 (de) * 1988-01-15 1989-07-27 Saunalux Gmbh Products & Co Kg Verfahren und geraet zur grossflaechigen bestrahlung des menschlichen koerpers
US4980905A (en) * 1989-02-16 1990-12-25 General Electric Company X-ray imaging apparatus dose calibration method
US5012504A (en) * 1989-12-26 1991-04-30 General Electric Company Automatic brightness compensation for fluorography systems
US5003572A (en) * 1990-04-06 1991-03-26 General Electric Company Automatic brightness compensation for x-ray imaging systems
DE4013703C2 (de) * 1990-04-28 1999-04-01 Bork Klaus Peter Schaltungsanordnung für insbesondere für Diagnosezwecke eingesetzte Röntgengeneratoren
DE4235010A1 (de) * 1992-10-16 1994-04-21 Siemens Ag Röntgendiagnostikanlage mit einer Bildverstärker-Fernsehkette
JP2634369B2 (ja) * 1993-07-15 1997-07-23 浜松ホトニクス株式会社 Ｘ線装置
JP2002528851A (ja) * 1998-10-19 2002-09-03 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 照射量制御を備えたｘ線検査装置
DE60031787T2 (de) 1999-10-08 2007-02-22 Gendex Corp. Automatische belichtungssteuerung für ein zahnärztliches panorama- und kephalographie-röntgengerät
JP4549462B2 (ja) * 1999-10-14 2010-09-22 ジーイー・メディカル・システムズ・エス アー 蛍光透視画像の画質改善方法及び、蛍光透視画像の画質を改善するシステム
CA2397739A1 (en) * 2000-02-02 2001-08-09 Dentsply International Inc. Automatic x-ray detection for intra-oral dental x-ray imaging apparatus
US6795528B2 (en) * 2001-01-12 2004-09-21 Canon Kabushiki Kaisha Radiographic apparatus, radiographic method, and computer-readable storage medium
US6810109B2 (en) * 2001-07-13 2004-10-26 Medtronic Ave, Inc. X-ray emitting system and method
WO2003010556A2 (en) * 2001-07-25 2003-02-06 Dentsply International Inc. Real-time digital x-ray imaging apparatus
JP2003142294A (ja) * 2001-10-31 2003-05-16 Ge Medical Systems Global Technology Co Llc 高電圧発生回路およびｘ線発生装置
DE10163583A1 (de) * 2001-12-21 2003-07-03 Philips Intellectual Property Verfahren und Vorrichtung zur Belichtung von Röntgenaufnahmen
WO2003086028A1 (fr) * 2002-04-05 2003-10-16 Hamamatsu Photonics K.K. Procede et appareil de controle de tube a rayons x
EP1551302B1 (en) 2002-07-25 2012-02-08 Gendex Corporation Real-time digital x-ray imaging apparatus and method
US7431500B2 (en) * 2003-04-01 2008-10-07 Analogic Corporation Dynamic exposure control in radiography
DE102004017180B4 (de) * 2004-04-07 2007-08-02 Siemens Ag Röntgendiagnostikeinrichtung zur digitalen Radiographie
US7274771B2 (en) * 2005-05-03 2007-09-25 General Electric Company Methods and systems for controlling exposure for medical imaging devices
CN102415220B (zh) * 2009-05-05 2015-07-08 皇家飞利浦电子股份有限公司 用于对x射线生成设备的焦斑进行负荷相关尺寸调整的方法和设备
JP6009799B2 (ja) * 2012-04-11 2016-10-19 東芝メディカルシステムズ株式会社 Ｘ線画像撮影装置
US9168010B2 (en) * 2012-04-11 2015-10-27 Kabushiki Kaisha Toshiba X-ray imaging apparatus and medical image processing apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2207280A1 (de) * 1972-02-16 1973-08-23 Siemens Ag Roentgendiagnostikapparat zur anfertigung von roentgenaufnahmen mit einem zeitschalter zur bestimmung der aufnahmedauer
FR2372570A1 (fr) * 1976-11-24 1978-06-23 Philips Nv Generateur utilise pour le radiodiagnostic et muni d'un dispositif pour mesurer le debit de rayonnement
GB1600220A (en) * 1977-06-23 1981-10-14 Gen Electric Programmers for diagnostic x-ray apparatus
EP0063644A1 (de) * 1981-04-23 1982-11-03 VEB Transformatoren- und Röntgenwerk "Hermann Matern" Verfahren zur Herstellung von Röntgenaufnahmen
DE3303150A1 (de) * 1983-01-31 1984-08-02 Siemens AG, 1000 Berlin und 8000 München Roentgendiagnostikanlage mit stellmitteln fuer die dosisleistung der roentgenroehre

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675020A (en) * 1969-09-24 1972-07-04 Cgr Medical Corp X-ray tube control circuitry
US3783286A (en) * 1970-12-23 1974-01-01 Picker Corp X-ray image brightness stabilizer
US4035649A (en) * 1973-10-08 1977-07-12 U.S. Philips Corporation X-ray generator for a tomography apparatus
US4158138A (en) * 1977-10-25 1979-06-12 Cgr Medical Corporation Microprocessor controlled X-ray generator
JPS56159097A (en) * 1980-05-08 1981-12-08 Shimadzu Corp X-ray tube current compensator circuit
JPS6010600A (ja) * 1983-06-30 1985-01-19 Toshiba Corp Ｘ線動態画像診断装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2207280A1 (de) * 1972-02-16 1973-08-23 Siemens Ag Roentgendiagnostikapparat zur anfertigung von roentgenaufnahmen mit einem zeitschalter zur bestimmung der aufnahmedauer
FR2372570A1 (fr) * 1976-11-24 1978-06-23 Philips Nv Generateur utilise pour le radiodiagnostic et muni d'un dispositif pour mesurer le debit de rayonnement
GB1600220A (en) * 1977-06-23 1981-10-14 Gen Electric Programmers for diagnostic x-ray apparatus
EP0063644A1 (de) * 1981-04-23 1982-11-03 VEB Transformatoren- und Röntgenwerk "Hermann Matern" Verfahren zur Herstellung von Röntgenaufnahmen
DE3303150A1 (de) * 1983-01-31 1984-08-02 Siemens AG, 1000 Berlin und 8000 München Roentgendiagnostikanlage mit stellmitteln fuer die dosisleistung der roentgenroehre

Also Published As

Publication number Publication date
JP2591739B2 (ja) 1997-03-19
EP0234603A3 (en) 1988-08-17
DE3780187D1 (de) 1992-08-13
EP0234603B1 (de) 1992-07-08
JPS62222600A (ja) 1987-09-30
US4797905A (en) 1989-01-10
DE3600464A1 (de) 1987-07-16

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