Patents
Patents for H05G 1 - X-ray apparatus involving x-ray tubes; Circuits therefor (11,901)
05/1991
05/14/1991US5015071 Light distributor for an X-ray diagnostics installation
05/08/1991EP0426285A1 X-ray mammography system
05/02/1991DE4033051A1 Microfocus X=ray generator with optical spot size sensor - has mirror for reflecting visible and near IR light but not X=rays, adjusting electron beam for max. brightness
04/1991
04/30/1991US5012505 Fluidic slip ring for CT scanners
04/30/1991US5012504 Automatic brightness compensation for fluorography systems
04/30/1991US5012498 X-ray tomography device
04/24/1991EP0423383A1 X-ray apparatus
04/23/1991US5010562 Apparatus and method for inhibiting the generation of excessive radiation
04/17/1991EP0422817A1 A digital X-ray image read apparatus with a correction function
04/16/1991US5008947 Method and apparatus for correcting extension rates of images
04/16/1991US5008921 Portable x-ray diagnostics apparatus with position-adjustable control panel
04/16/1991US5008917 X-ray tube with an electron shielding ridge on the cathode
04/16/1991US5008916 Safety device for radiogenic unit
04/16/1991US5008915 Methods for forming a radiograph using slit radiography
04/16/1991US5008914 Quantitative imaging employing scanning equalization radiography
04/16/1991US5008913 Measuring and damping resistor arrangement for a high-voltage apparatus
04/16/1991US5008912 X-ray tube high voltage cable transient suppression
04/11/1991DE4030449A1 Digital picture processing system for X=ray diagnostics - uses TV camera in conjunction with processor to enable further picture processing and quality monitoring
04/10/1991EP0421720A2 Transient suppression in cables
04/10/1991EP0421009A1 X-ray diagnostic generator with a rotating anode X-ray tube
04/09/1991US5007073 Method and apparatus for obtaining a selectable contrast image in an X-ray film
04/09/1991US5006709 X-ray diagnostics installation
04/03/1991EP0419753A1 Recognition system for the chemical constitution of plastic materials by means of electromagnetic waves
04/02/1991US5005196 Limb positioning and calibration apparatus for radiographic imaging
04/02/1991CA1282501C Mobile radiography alignment device
03/1991
03/26/1991US5003572 Automatic brightness compensation for x-ray imaging systems
03/26/1991US5003571 X-ray image equipment
03/26/1991US5003452 High-voltage supply device for an x-ray tube
03/20/1991EP0417965A2 An X-ray mammography system
03/20/1991EP0417964A2 A scanning mammography system
03/20/1991EP0417859A1 X-ray imaging system
03/19/1991US5001736 Medical imaging apparatus
03/19/1991US5001735 X-ray dose compensation for radiographic apparatus with kV ripple
03/19/1991US5001618 Ripple insensitivity method for regulating the voltage of a voltage signal
03/14/1991CA2009693A1 Primary collimator for x-ray apparatus
03/13/1991EP0416708A2 X-ray generator for operating an X-ray tube with earthed radiological components
03/13/1991EP0416696A2 X-ray apparatus
03/13/1991EP0342207A4 Target positioning for minimum debris
03/07/1991WO1991003056A1 Slit radiography apparatus
03/07/1991DE3929013A1 Determining filtering of X=ray source - using intensity measurement after passing X=rays through three analysis filters of selected absorption
03/06/1991EP0415484A2 X-ray imaging device
03/06/1991EP0415227A2 Apparatus and method for inhibiting the generation of excessive radiation
03/06/1991EP0415226A2 Apparatus and metod for inhibiting the generation of excessive radiation
03/06/1991EP0415075A1 Dental X-ray diagnostic apparatus
03/06/1991CA2014921A1 Scanning mammography system with reduced scatter radiation
03/06/1991CA2014920A1 X-ray mammography machine
03/06/1991CA2014918A1 Scanning mammography system with improved skin line viewing
03/05/1991US4998270 Mammographic apparatus with collimated controllable X-ray intensity and plurality filters
02/1991
02/27/1991EP0414317A2 Inverter device
02/27/1991CN1011825B Device for slit radiography with image equalization
02/26/1991US4996701 Using an X-ray source
02/26/1991US4996413 Apparatus and method for reading data from an image detector
02/19/1991US4995107 Computer tomography apparatus with axially displaceable detector rows
02/19/1991US4995069 X-ray tube apparatus with protective resistors
02/19/1991US4995065 X-ray tube cooling devices
02/19/1991US4995064 X-ray examination
02/12/1991CA1280224C Method and circuit for processing narrow band signals located in a wide band having disturbance
02/06/1991EP0411768A2 Radiographic apparatus and methods
02/06/1991EP0411189A1 X-ray diagnostic apparatus
02/05/1991US4991192 X-ray imaging apparatus
01/1991
01/30/1991EP0409920A1 Device for interfacing mri with other imaging modalities
01/23/1991CN1048780A X-ray tube current control with constant loop gain
01/16/1991EP0408458A1 Speed control device for two-or three-phase motors
01/16/1991EP0408167A2 X-ray tube current control with constant loop gain
01/16/1991CN1048644A Stepless tubes current control device for x-ray instrument
01/16/1991CN1011278B Image pickup device
01/15/1991US4985908 Imaging an object
01/13/1991CA2010678A1 Bucky hinge assembly
01/10/1991CA2010668A1 X-ray tube current control with constant loop gain
01/09/1991EP0406401A1 X-ray phototimer
01/08/1991US4984261 X-ray tube head assembly
01/08/1991US4984258 Apparatus for slit radiography comprising discrete, controllable attenuation elements coacting with a slit diaphragm
01/02/1991EP0405399A2 X-ray generator apparatus
01/02/1991EP0405234A1 Mobile X-ray apparatus
01/02/1991EP0405013A1 Phantom for a dental panoramic X-ray apparatus
01/02/1991CN1048299A Intelligent chest x-ray automatic radiography method
01/01/1991US4982418 X-ray diagnostics installation having a mean image brightness detector
01/01/1991US4982098 Speed compensated intensifying screen for radiography
12/1990
12/27/1990EP0404335A1 Radiation apparatus
12/25/1990US4980905 X-ray imaging apparatus dose calibration method
12/25/1990US4980904 Radiation imaging calibration
12/19/1990EP0403135A2 X-ray detector
12/19/1990EP0403092A2 Apparatus for detecting, tracking and imaging movement
12/19/1990EP0402578A2 Improved apparatus for measuring the voltage applied to a radiation source
12/18/1990US4979199 Microfocus X-ray tube with optical spot size sensing means
12/18/1990US4979198 Method for production of fluoroscopic and radiographic x-ray images and hand held diagnostic apparatus incorporating the same
12/18/1990CA1278017C X-ray source
12/13/1990WO1990015421A1 Quantitative imaging employing scanning equalization radiography
12/12/1990EP0401901A2 Generator for the operation of the rotating anode of an x-ray tube
12/11/1990US4977587 X-ray image processing apparatus
12/05/1990EP0400125A1 Structure for influencing the effect of x-ray or gamma radiation on a target sensitive to the radiation
12/05/1990CN1010738B Minitype portable x-ray machine
12/05/1990CA2008845A1 Focused multielement detector for x-ray exposure control
12/04/1990US4975970 Image display having automatic image adjustment
11/1990
11/28/1990EP0399606A1 X-ray exposure synchronisation method and device
11/28/1990CN2066644U Vecuum grease-injector for x-ray machine
11/27/1990US4974248 X-ray system for X-ray diagnosis and/or X-ray treatment
11/21/1990CN2066225U X-ray photograph photoelectric timing detecting board
11/20/1990US4972459 Arc-preventing high voltage cable for an x-radiator
11/20/1990US4972458 Scanning equalization radiography