Patents
Patents for H05G 1 - X-ray apparatus involving x-ray tubes; Circuits therefor (11,901)
09/1993
09/16/1993DE4207173A1 X=ray radiator with X=ray tube casing - has holder engaging axis region of central radiator, to permit temp. dependent expansion
09/15/1993CN1076327A Delay exposure time limiter for bed-side X-ray apparatus
09/07/1993US5243509 Device to obtain an adjustable DC voltage
09/07/1993CA1322059C Method and apparatus for comparative analysis of videofluoroscopic joint motion
09/01/1993EP0558117A2 Method for producing X-ray images and X-ray apparatus according to this method
09/01/1993EP0557981A1 X-ray radiographic apparatus for medical use
09/01/1993CN1075802A Method and device for slit radiography
08/1993
08/31/1993US5241577 X-ray tube with bearing slip ring
08/31/1993US5241260 High voltage power supply and regulator circuit for an X-ray tube with transient voltage protection
08/25/1993CN1021948C Method and apparatus for slit radiography
08/24/1993US5239567 X-ray imaging system
08/19/1993WO1993015882A1 Collision-free control system for a multi-axially controllable manipulator
08/19/1993DE4204116A1 X=ray image processing system - provides filter between with two converters and semiconductor array and real=time on=line-subtraction processing
08/17/1993US5237599 X-ray apparatus
08/17/1993US5236363 High contrast substance
08/10/1993US5235191 Real-time x-ray device
08/05/1993DE4210123C1 X=ray medical diagnostic appts. - adjusts time interval for TV frame frequency to X=ray pulse repetition frequency
08/04/1993EP0553913A1 X-ray tube with a reduced working distance
08/04/1993EP0553912A1 X-ray tube with improved temperature control
08/03/1993US5233639 Stereoscopic fluoroscopy apparatus and method of producing stereoscopic X-ray images
08/03/1993US5232376 High-voltage connector assembly
07/1993
07/29/1993DE4201616A1 X=ray device - has damping arrangement contained in high voltage cables, heat converter in tube protection housing
07/27/1993US5231651 X-ray computerized tomographic method and apparatus with simple programmable anatomical selecting operation
07/27/1993US5231564 Power supply for producing excitation voltage for an x-ray tube filament
07/20/1993US5229743 High voltage protection resistor
07/14/1993EP0550983A1 X-ray tube with ferrite core filament transformer
07/14/1993EP0550982A1 X-ray tube with bearing slip ring
07/14/1993EP0550981A1 X-ray tube with capacitively coupled filament drive
07/07/1993EP0549858A2 Substance quantitative analysis method
07/06/1993US5226066 Apparatus and methods for cardiac biplane acquisition
07/06/1993US5226064 Computerized tomographic scanning apparatus driven by rechargeable batteries
07/06/1993US5225803 High voltage transformer, notably for an x-ray apparatus
07/06/1993US5224592 High voltage switch device and high-voltage change-over switch
06/1993
06/29/1993US5224141 Fluoroscopic method with reduced x-ray dosage
06/29/1993US5224138 Slip ring device
06/24/1993DE4142371A1 X=ray generator with sealed housing - provided by simple formed sealing ring of electrically insulating material.
06/23/1993EP0547679A1 X-ray imaging system including brightness control
06/23/1993EP0547139A1 Miniaturized low power x-ray source
06/23/1993EP0358699B1 Device for slit radiography with image equalization
06/22/1993US5222118 Liquid-filled x-ray radiator having a degasifier for the liquid
06/22/1993US5221843 Active energy selective x-ray image detection
06/17/1993DE4237260A1 X=ray tube cooling arrangement with sec. coolant circuit - Employs temp. of buffer reservoir as variable in control of operation of prim. circuit regulator valve
06/16/1993EP0546532A1 X-ray tube apparatus
06/16/1993EP0377622B1 Equipment for slit radiography
06/15/1993US5220592 Diagnostic imaging system with compact multi-function controller
06/09/1993EP0545626A2 Controlled optimization of relative exposure levels in dual energy DSA
06/09/1993EP0545588A2 A method and apparatus for reducing X-ray dosage during fluoroscopic examinations
06/08/1993US5218626 Solid state photo sensor with adjustable viewing means
06/08/1993US5218625 Method for the automatic determination of the exposure time of a radiographic film and system of implementation thereof
06/03/1993DE4239957A1 X=ray diagnostic system for operation over wide intensity range - receives transmission by camera with multiplier factor selected to provide optimum conditions
06/01/1993US5216250 For X-ray examination
05/1993
05/26/1993CN2134771Y Exciting source of portable x-ray fluorescent scope
05/19/1993DE4137804A1 High voltage X=ray tube - has annular grove in insulating annular disc, whose vacuum-side annular strip has annular gap
05/19/1993DE4137054A1 Scanner for investigating test objects, e.g for detecting weapons, explosives - has parallel rows of detector elements of different sizes for penetrating radiation, signal processor and display
05/19/1993CN1020840C Tomographic apparatus
05/19/1993CN1020805C Method of separating the image of bone and tissue on x-ray picture
05/18/1993US5212437 High speed starter operations monitor
05/11/1993US5210782 Method and apparatus for split radiography
05/11/1993US5210780 Low ripple x-ray generator
05/11/1993CA1317687C Portable x-ray system with ceramic tube
05/05/1993EP0489904A4 Computed tomography apparatus using image intensifier detector
05/05/1993EP0322408B1 Instrumentation for conditioning x-ray or neutron beams
04/1993
04/29/1993DE4235527A1 Medical X=ray images recorder, esp. for dentistry - contains X=ray image sensor, fluorescent element, solid state image acquisition device and connecting optical fibres
04/29/1993DE4210122C1 Medical diagnostic X=ray equipment - has sensor detecting speed of movement of organ, e.g. heart, and output signal being used to change duration of separate pulses of pulsed radiation automatically
04/28/1993EP0538707A1 X-ray scanning system
04/27/1993US5206894 X-ray system accessory
04/22/1993DE4134126A1 X-ray source with control of tube anode temp. - is equipped with computer memorising cooling curve for temp. computation during intervals between bursts of excitation
04/14/1993EP0536150A1 Selective radiation of pathological material
04/13/1993US5202932 A method of inspecting an object
04/08/1993DE4132117C1 Medical diagnostic X=ray installation - provides display field with neighbouring symbols showing possible positions of appts. components
04/06/1993US5200985 X-ray tube with capacitively coupled filament drive
04/06/1993US5200984 Filament current regulator for an x-ray tube cathode
04/06/1993US5200645 Device for obtaining and switching high voltages applied to x-ray tube electrodes
03/1993
03/31/1993EP0533899A1 High voltage dc source
03/30/1993US5199054 Method and apparatus for high resolution inspection of electronic items
03/30/1993US5197604 High-voltage change-over switch with linear movement
03/24/1993EP0532637A1 X-ray image generating apparatus and associated method.
03/18/1993DE4130050A1 X=ray image intensifier with filter and CCD imager - provides for selective insertion and retraction of suitably coloured optical filter between tube and photoelectric converter
03/16/1993US5194736 X-ray examination apparatus including a matrix of sensors and device measuring exposure of groups of sensors during execution of an x-ray exposure
03/16/1993US5194726 X-ray imaging system with observable image during change of image size
03/16/1993CA1314634C Scanning equalization radiography with stationary equalization detector
03/10/1993EP0531190A1 X-ray unit with high-voltage power supply device integrated in the housing
03/10/1993EP0531189A1 Device and high-voltage power supply unit for an x-ray tube
03/10/1993EP0530424A1 An x-ray generating apparatus
03/03/1993EP0529505A1 Method for producing high contrast diagnostic x-ray exposures and circuit arrangement therefor
03/02/1993US5191621 Method and device for determining a modulation transfer function of a digital imaging system
02/1993
02/25/1993DE4222941A1 Automatic recording device for medical panoramic X=ray diagnostic appts. - has rotary X=ray unit with film cassette and photodetectors to determine intensity for feedback and comparison to control process
02/23/1993US5189602 High-voltage generator with selective half-bridge and full-bridge operation
02/17/1993EP0527592A1 Phantom for simulating an X-ray exam patient
02/16/1993US5187737 Power supply device for X-ray tube
02/16/1993US5187730 X-ray diagnostic system and method of picking up X-ray picture
02/11/1993DE4204301A1 Medicinal X=ray tube - has titanium@ window of thickness giving filtration effect within closely defined limits
02/10/1993EP0526921A1 X-ray imaging system
02/03/1993EP0526319A1 Safety device in an x-ray apparatus
02/03/1993EP0525067A1 Device and method for controlling the contrast in an image observation system provided with an mcp image intensifier.
01/1993
01/28/1993DE4124791A1 X=ray diagnostic system with TV chain - processes image to produce control signal for pulse pause ratio of X=ray source
01/20/1993EP0348433B1 Method and apparatus for contrast equalization of an x-ray image
01/19/1993US5181234 X-ray backscatter detection system
01/19/1993CA1312965C Apparatus for measuring the peak voltage applied to a radiation source
01/12/1993US5179582 Exposure control circuit for X-ray generation