DE3877960D1 - Roentgendiagnostikanlage mit einem detektor fuer die mittlere bildhelligkeit. - Google Patents

Roentgendiagnostikanlage mit einem detektor fuer die mittlere bildhelligkeit.

Info

Publication number
DE3877960D1
DE3877960D1 DE8888116488T DE3877960T DE3877960D1 DE 3877960 D1 DE3877960 D1 DE 3877960D1 DE 8888116488 T DE8888116488 T DE 8888116488T DE 3877960 T DE3877960 T DE 3877960T DE 3877960 D1 DE3877960 D1 DE 3877960D1
Authority
DE
Germany
Prior art keywords
detector
image brightness
diagnostic system
memory
ray diagnostic
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
DE8888116488T
Other languages
English (en)
Inventor
Werner Dipl Ing Dr Kuehnel
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of DE3877960D1 publication Critical patent/DE3877960D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • H05G1/64—Circuit arrangements for X-ray apparatus incorporating image intensifiers

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • X-Ray Techniques (AREA)
  • Closed-Circuit Television Systems (AREA)
DE8888116488T 1988-10-05 1988-10-05 Roentgendiagnostikanlage mit einem detektor fuer die mittlere bildhelligkeit. Expired - Lifetime DE3877960D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88116488A EP0362427B1 (de) 1988-10-05 1988-10-05 Röntgendiagnostikanlage mit einem Detektor für die mittlere Bildhelligkeit

Publications (1)

Publication Number Publication Date
DE3877960D1 true DE3877960D1 (de) 1993-03-11

Family

ID=8199427

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888116488T Expired - Lifetime DE3877960D1 (de) 1988-10-05 1988-10-05 Roentgendiagnostikanlage mit einem detektor fuer die mittlere bildhelligkeit.

Country Status (4)

Country Link
US (1) US4982418A (de)
EP (1) EP0362427B1 (de)
JP (1) JPH087841Y2 (de)
DE (1) DE3877960D1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2890553B2 (ja) * 1989-11-24 1999-05-17 株式会社島津製作所 Ｘ線像撮像装置
US5012504A (en) * 1989-12-26 1991-04-30 General Electric Company Automatic brightness compensation for fluorography systems
JP2548018Y2 (ja) * 1990-01-24 1997-09-17 興和 株式会社 Ｘ線撮像装置
WO1992000567A1 (en) * 1990-07-02 1992-01-09 Varian Associates, Inc. Computed tomography apparatus using image intensifier detector
EP0480096B1 (de) * 1990-10-12 1994-07-13 Siemens Aktiengesellschaft Röntgendiagnostikanlage mit einem Röntgenbildverstärker und einem Detektor für die Bildhelligkeit auf dessen Ausgangsschirm
DE4102445C1 (de) * 1991-01-28 1992-03-05 Siemens Ag, 8000 Muenchen, De
DE4300829C2 (de) * 1993-01-14 1996-08-29 Siemens Ag Röntgendiagnostikeinrichtung
DE9404768U1 (de) * 1994-03-21 1995-07-20 Siemens AG, 80333 München Röntgendiagnostikgerät mit einer Dosisleistungsregelung
FI941589A (fi) * 1994-04-07 1996-01-12 Stig Svensson Laite röntgenkuvien ottamiseksi
EP0746966B1 (de) * 1994-12-23 2003-07-30 Koninklijke Philips Electronics N.V. Röntgenuntersuchungsapparat mit einer belichtungssteuerschaltung
US5574764A (en) * 1995-06-06 1996-11-12 General Electric Company Digital brightness detector
US5617462A (en) * 1995-08-07 1997-04-01 Oec Medical Systems, Inc. Automatic X-ray exposure control system and method of use
DE19606873C2 (de) * 1996-02-23 2000-10-12 Siemens Ag Röntgendiagnostikeinrichtung mit einem Festkörperbildwandler
US5751783A (en) * 1996-12-20 1998-05-12 General Electric Company Detector for automatic exposure control on an x-ray imaging system
EP0914755B1 (de) * 1997-04-24 2003-06-04 Koninklijke Philips Electronics N.V. Belichtungssteuerung auf basis von einem bedeutenden teil eines röntgenstrahlbildes
JP2002532837A (ja) * 1998-12-08 2002-10-02 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 対象物の吸収率に依存した輝度制御を含むｘ線検査装置
US6175614B1 (en) * 1999-05-07 2001-01-16 Oec Medical Systems, Inc. Method and apparatus for automatic sizing and positioning of ABS sampling window in an x-ray imaging system
DE19934980B4 (de) 1999-07-26 2004-02-12 Siemens Ag Röntgendiagnostikeinrichtung mit einem flächenförmigen Röntgenbildwandler mit Rückseitenbeleuchtung
DE102004017180B4 (de) 2004-04-07 2007-08-02 Siemens Ag Röntgendiagnostikeinrichtung zur digitalen Radiographie
WO2006037087A2 (en) * 2004-09-27 2006-04-06 Digirad Corporation Pre-acquisition identification of region for image acquisition time optimization for radiation imaging systems

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4076985A (en) * 1973-08-18 1978-02-28 Emi Limited Computerized tomographic scanner with beam distribution control
JPS536593A (en) * 1976-07-08 1978-01-21 Toshiba Corp X-ray apparatus for diagnosis
DE2740998A1 (de) * 1977-09-12 1979-03-22 Siemens Ag Roentgendiagnostikeinrichtung fuer durchleuchtung
DE2803913C2 (de) * 1978-01-30 1986-01-30 Siemens AG, 1000 Berlin und 8000 München Röntgendiagnostikanlage mit einer Bildverstärker-Fernsehkette
JPS5773900U (de) * 1980-10-24 1982-05-07
DD158307A1 (de) * 1981-04-23 1983-01-05 Guenther Orth Verfahren zur herstellung von roentgenaufnahmen
JPS5875800A (ja) * 1981-10-30 1983-05-07 Hitachi Medical Corp Ｘ線自動露出装置
DE3225061A1 (de) * 1982-07-05 1984-01-05 Siemens AG, 1000 Berlin und 8000 München Roentgendiagnostikeinrichtung
JPS6116371A (ja) * 1984-07-03 1986-01-24 Toshiba Corp デジタルフルオログラフイ装置
NL8502569A (nl) * 1985-09-20 1987-04-16 Philips Nv Roentgenonderzoekapparaat met een locaal opgedeelde hulpdetector.

Also Published As

Publication number Publication date
JPH087841Y2 (ja) 1996-03-06
JPH0260375U (de) 1990-05-02
US4982418A (en) 1991-01-01
EP0362427B1 (de) 1993-01-27
EP0362427A1 (de) 1990-04-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)