| Patents for H05G 1 - X-ray apparatus involving x-ray tubes; Circuits therefor (11,901) |
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| 05/03/1994 | US5309496 Filmless X-ray apparatus and method of using the same |
| 04/28/1994 | WO1994009383A1 Emission-transmission imaging system using single energy and dual energy transmission and radionuclide emission data |
| 04/28/1994 | DE4335708A1 HV generation for energising X=ray tube - using multi-state inverter whose switching state is changed only during current zero crossing in oscillation circuit |
| 04/21/1994 | DE4235010A1 X-ray diagnostic equipment with television chain - has maximum radiation reduction mode and maximum image quality mode selectable by control devices |
| 04/20/1994 | EP0593253A1 Method and apparatus for digital control of scanning X-ray imaging systems |
| 04/19/1994 | US5305367 Device for slit radiography with image equalization |
| 04/19/1994 | US5305363 Computerized tomographic scanner having a toroidal x-ray tube with a stationary annular anode and a rotating cathode assembly |
| 04/14/1994 | WO1994008350A1 Low-power x-ray source with implantable probe for treatment of brain tumors |
| 04/13/1994 | EP0592164A1 Power supplies |
| 04/13/1994 | CN2161262Y Half-closed type X-ray tube head |
| 04/12/1994 | US5303283 X-ray unit with high-voltage power supply device integrated into the casing |
| 04/12/1994 | US5303143 Monitoring circuit for a multiprocessor means of an apparatus or of a system |
| 04/07/1994 | DE4232901A1 Medical X=Ray diagnostic equipment with optimum setting of emission control - has stray transmitted emission received by sensors to provide signal compared with reference to control generator |
| 04/05/1994 | US5301220 Multi-mode acquisition x-ray imaging method and apparatus |
| 03/31/1994 | DE4232133A1 Supply circuit for two=phase asynchronous electric motor - with common supply voltage at one end of each winding and 180 degree offset voltages at opposite winding ends |
| 03/30/1994 | EP0589525A1 Switching device for driving an asynchronous two-phase motor |
| 03/24/1994 | DE4231583A1 X=ray angiography appts. providing combined image - with selective removal of image lines at image edges preventing overlap between adjacent images |
| 03/23/1994 | EP0588432A1 X-ray apparatus including an X-ray generator and an X-ray tube having at least two electron sources |
| 03/23/1994 | EP0588002A1 Rotary cathode X-ray tube equipment |
| 03/23/1994 | EP0587946A1 Solid-state image recording apparatus |
| 03/23/1994 | EP0587648A1 Method and device for triggering of x-ray image sensor. |
| 03/22/1994 | US5296937 Diagnostic X-ray apparatus |
| 03/22/1994 | US5295488 Method and apparatus for projecting diagnostic images from volumed diagnostic data |
| 03/17/1994 | DE4329691A1 Scanner for an X=ray image stored on phosphorescent plate - having controllable system to ensure constant signal intensity from image regions of varying density |
| 03/17/1994 | DE4317716A1 Diagnostic X-ray imaging system - allows stored operating means to be displayed on X-ray image display monitor during programming |
| 03/17/1994 | DE4230975A1 Stereo medical diagnostics X=ray imaging system - has control logic for generating X=ray pulses respectively shortly before and after start of read=out of first image taken by inter-line transfer CCD imager |
| 03/15/1994 | US5295176 Method and apparatus for precisely measuring accelerating voltages applied to x-ray sources |
| 03/10/1994 | DE4328462A1 X=ray video camera appts. for medical use - uses camera tube with grey-scale image intensification provided by avalanche multiplication |
| 03/10/1994 | DE4239825C1 C-arm X=ray diagnostic appliance - has electromechanical adjustment mechanism consisting of spindle and spur gearing for positioning pivotable emitter, image intensifier, shutter or shutter blades to align centre of emitted beam always on centre of intensifier |
| 03/08/1994 | US5293574 Digital x-ray imaging system with automatic tracking |
| 03/08/1994 | US5293415 X-ray fluoroscopy system for reducing dosage employing iterative power ratio estimation |
| 03/01/1994 | US5291540 Servo controlled isocenter diagnostic x-ray examination apparatus |
| 03/01/1994 | US5291538 X-ray tube with ferrite core filament transformer |
| 02/23/1994 | EP0583844A1 X-ray examination apparatus with light concentration means and plural image sensors |
| 02/23/1994 | CN2157653Y Work state digital display for X-ray machine |
| 02/22/1994 | US5289012 X-ray image encoding by spatial modulation of a storage phosphor screen |
| 02/22/1994 | US5288977 System for imprinting patient-identifying barcodes onto medical X-rays |
| 02/17/1994 | DE4235173C1 Diagnostic X=ray appts. for mammography - compares measured transparency determined from quotient of outputs from radiation detectors, one of which receives X=rays from via copper@ filter, with required amt. stored in memory and uses difference for controlling X=ray tube voltage |
| 02/15/1994 | US5285786 Apparatus and method for radiographic diagnosis |
| 02/08/1994 | US5285492 Safety device in a radiology machine |
| 02/08/1994 | US5285489 Made from atleast two elements whose k-absorption edges are different; separated x-rays into two energy regions |
| 02/03/1994 | WO1994003035A1 Programmable dental x-ray inscription system |
| 02/03/1994 | DE4225221A1 X=ray unit operation method - has circulating pump for fluid in housing with periodical gas extraction |
| 02/01/1994 | US5283822 Blackline indicator for use in tomographic and/or radioscopic inspection of weld joints |
| 01/27/1994 | DE4224615A1 Medical diagnostic X=ray system with controlled field of view - has adjustment slit aperture mechanism mounted on motorised turntable, and rotated to control field of view |
| 01/26/1994 | EP0579848A1 Testing system for objects |
| 01/19/1994 | EP0579325A1 X-ray examination apparatus |
| 01/18/1994 | US5280428 Method and apparatus for projecting diagnostic images from volumed diagnostic data accessed in data tubes |
| 01/13/1994 | DE4239309A1 X-ray mammography system with dosage control - has dosage controlled to maintain constant film exposure for different object thicknesses |
| 01/11/1994 | US5278754 Method for processing radiation images |
| 01/04/1994 | US5276726 Method of and apparatus for standardizing and monitoring image quality in mammography |
| 12/29/1993 | CN2151484Y Multifunctional small-size X-ray radiographic instrument |
| 12/28/1993 | US5274690 Rotating housing and anode/stationary cathode x-ray tube with magnetic susceptor for holding the cathode stationary |
| 12/23/1993 | WO1993025144A1 Bone mineral camera |
| 12/22/1993 | EP0574689A2 Method and appparatus for acquiring an X-ray image using a thin film transistor array |
| 12/21/1993 | US5272618 Filament current regulator for an X-ray system |
| 12/21/1993 | US5272612 X-ray power supply utilizing A.C. frequency conversion to generate a high D.C. voltage |
| 12/15/1993 | EP0574368A1 A method for imaging an object by means of a panoramic apparatus equipped with exposure automatics |
| 12/15/1993 | EP0489908A4 Method for increasing the accuracy of a radiation therapy apparatus |
| 12/15/1993 | EP0489906A4 Electronically enhanced x-ray detector apparatus |
| 12/15/1993 | CN1023184C X-ray tube current control device |
| 12/14/1993 | US5270925 Method of and device for correcting scattered-radiation effects in X-ray images |
| 12/14/1993 | US5270534 Solid-state image recording apparatus having two pairs of adjustment members |
| 12/09/1993 | DE4230974C1 X=ray device providing TV images - has pulsed X=ray generator providing successive superimposed X=ray images for different energy X=ray pulses |
| 12/07/1993 | US5268955 Ring tube x-ray source |
| 12/02/1993 | DE4217627A1 X=ray diagnosis appts. for continuous application to television system - applies shortened or reduced amplitude clock pulse to interline CCD so that only part of signal amplitude of integrated image is read out. |
| 11/30/1993 | US5267296 Method and apparatus for digital control of scanning X-ray imaging systems |
| 11/30/1993 | US5267295 Methods and device related to automatic exposure in X-ray diagnostics in particular in mammography |
| 11/30/1993 | US5267138 Driving and clamping power regulation technique for continuous, in-phase, full-duration, switch-mode resonant converter power supply |
| 11/30/1993 | US5265610 Multi-planar X-ray fluoroscopy system using radiofrequency fields |
| 11/25/1993 | WO1993023952A1 Method for compensation of dark current of ccd-sensor in dental x-raying |
| 11/25/1993 | CA2134875A1 Method for compensation of dark current of ccd-sensor in dental x-raying |
| 11/23/1993 | US5265146 X-ray tube rotor controller using the main high voltage inverters for acceleration and speed maintenance |
| 11/18/1993 | EP0570155A2 Gantry position reference for tomographic scanners |
| 11/16/1993 | US5263074 Spool distortion correction method for an x-ray radiograph diagnosis device |
| 11/16/1993 | US5261404 Three-dimensional mammal anatomy imaging system and method |
| 11/11/1993 | WO1993022660A1 Active energy selective x-ray image detection |
| 11/11/1993 | WO1993021826A1 System for selective material imaging |
| 11/09/1993 | US5260984 X-ray diagnostics installation having a primary radiation diaphragm |
| 11/09/1993 | US5260983 X-ray tube apparatus |
| 11/03/1993 | CN2145493Y Controller of X-ray machine |
| 10/28/1993 | WO1993021748A1 Membrane dielectric isolation ic fabrication |
| 10/26/1993 | US5257304 High-voltage power device and power pack for X-ray tube |
| 10/21/1993 | DE4212644A1 X=ray diagnostic unit for intermittent radioscopy - has X=ray tube connected to X=ray generator and X=ray image amplifier TV chain with reception system and logic controller for X=ray generator and image amplifier TV chain |
| 10/14/1993 | WO1993019672A1 Radiation diagnostic apparatus |
| 10/14/1993 | DE4226442C1 X=ray tube current measuring circuit - differentiates voltage drop across divider and subtracts from measuring resistance signal to obtain anode current and compensate supply cable capacitance. |
| 10/13/1993 | EP0565171A2 X-ray examination apparatus having means for correcting scattered-radiation effects in an x-ray image |
| 10/12/1993 | US5253282 System for selective material imaging |
| 10/12/1993 | US5253281 X-ray diagnostics installation for subtraction angiography |
| 10/12/1993 | US5253169 Method and apparatus for reducing x-ray dosage during fluoroscopic examinations |
| 10/06/1993 | EP0564293A1 Ring tube X-ray source |
| 10/06/1993 | EP0564292A2 Ring tube CT scanner |
| 10/05/1993 | US5250755 X-ray conduits |
| 09/30/1993 | WO1993019515A1 Continuous, in-phase switched-mode resonant converter power supply |
| 09/30/1993 | DE4209377A1 X=ray source with coolant fluid housing around tube - has high voltage connections taken through insulators into projections on both sides of equipotential vacuum envelope and housing |
| 09/29/1993 | EP0562657A2 Imaging system with means for compensating vignetting and X-ray examination apparatus comprising such an imaging system |
| 09/23/1993 | DE4210124C1 Diagnostic X-ray appts. for examining heart function - has x-ray images each combined with difference image to amplify heart movement in displayed image provided on television monitor |
| 09/22/1993 | CN1076349A X-ray photographing apparatus |
| 09/21/1993 | US5247559 Substance quantitative analysis method |
| 09/21/1993 | US5247555 Radiation image generating system and method |