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Class Information
Number: 378/110
Name: X-ray or gamma ray systems or devices > Electronic circuit > X-ray source power supply > Current regulated > Automatic
Description: Subject matter including maintaining constant current or adjusting current according to a predetermined program without manual control.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8712015 Electron beam manipulation system and method in X-ray sources Apr. 29, 2014
8687763 Method and device to determine the value of an x-ray tube voltage Apr. 1, 2014
8265227 Apparatus and method for calibrating an X-ray tube Sep. 11, 2012
8036340 X-ray apparatus Oct. 11, 2011
7995703 Method for controlling X-ray exposure in X-ray CT system Aug. 9, 2011
7924981 X-ray generator Apr. 12, 2011
7894570 Automatic dose adaptation as a function of patient body mass index in CT calcium scoring Feb. 22, 2011
7636422 X-ray CT apparatus and X-ray tube current determining method Dec. 22, 2009
7636416 X-ray CT apparatus comprising a tube current control unit Dec. 22, 2009
7620142 Method and apparatus for reducing x-ray dosage in CT imaging prescription Nov. 17, 2009
7587023 Method and apparatus for achieving optimal radiation dose in coronary CT angiography using standard deviation of CT number Sep. 8, 2009
7409043 Method and apparatus to control radiation tube focal spot size Aug. 5, 2008
7366283 Method to control anodic current in an x-ray source Apr. 29, 2008
7336762 Scan program communication method and X-ray CT apparatus Feb. 26, 2008
7286641 Method and device for exposing x-ray images Oct. 23, 2007
7233645 Systems and methods for controlling an X-ray source Jun. 19, 2007
7215733 X-ray computed tomography apparatus May. 8, 2007
7203270 X-ray computed tomographic apparatus Apr. 10, 2007
7142630 X-ray computed tomography apparatus with X-ray intensity control Nov. 28, 2006
7106824 X-ray computed tomographic apparatus Sep. 12, 2006
7079622 Method for supplying power to a heating element of a source of radiation and corresponding source Jul. 18, 2006
7050539 Power supply for an X-ray generator May. 23, 2006
6956929 Method for controlling modulation of X-ray tube current using a single topogram Oct. 18, 2005
6920201 X-ray device with a storage for X-ray exposure parameters Jul. 19, 2005
6904127 System and method of medical imaging having default noise index override capability Jun. 7, 2005
6850588 Radiation exposure limiting scheme Feb. 1, 2005
6826252 Computed tomography scanner and method for controlling the computed tomography scanner Nov. 30, 2004
6816573 X-ray generating apparatus, X-ray imaging apparatus, and X-ray inspection system Nov. 9, 2004
6810109 X-ray emitting system and method Oct. 26, 2004
6510196 Determination and adjustment of exposure values for X-ray imaging Jan. 21, 2003
6333965 X-ray examination apparatus with a brightness control system Dec. 25, 2001
6285741 Methods and apparatus for automatic image noise reduction Sep. 4, 2001
6259767 X-ray device including an adjustable diaphragm unit Jul. 10, 2001
6233310 Exposure management and control system and method May. 15, 2001
6067344 X-ray ambient level safety system May. 23, 2000
5914999 High-frequency voltage generator for supplying an X-ray tube Jun. 22, 1999
5727043 X-ray diffractometer Mar. 10, 1998
5708694 X-ray generator Jan. 13, 1998
5696807 Methods and apparatus for modulating x-ray tube current Dec. 9, 1997
5680430 Method and apparatus for controlling and optimizing output of an x-ray source Oct. 21, 1997
5546441 X-ray system Aug. 13, 1996
5528657 X-ray apparatus Jun. 18, 1996
5485494 Modulation of X-ray tube current during CT scanning Jan. 16, 1996
5432833 Automatic exposure control system for tomographic applications Jul. 11, 1995
5426345 High voltage electronic tube with intermediate electrode Jun. 20, 1995
5400385 High voltage power supply for an X-ray tube Mar. 21, 1995
5398274 Fluorescent x-ray analyzer and monitoring system for increasing operative life Mar. 14, 1995
5388138 X-ray diagnostic apparatus Feb. 7, 1995
5333169 Circuit arrangement for measuring the X-ray tube current Jul. 26, 1994
5329568 X-ray generator with x-ray tube voltage regulation for maintaining the x-ray tube current at a maximum value Jul. 12, 1994

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