Entries |
Document | Title | Date |
20080240357 | Image acquisition and processing chain for dual-energy radiography using a portable flat panel detector - A mobile dual-energy X-ray imaging system is presented. The mobile dual-energy X-ray imaging system is a digital X-ray system that is designed both to acquire original image data and to process the image data to produce an image for viewing. The system has an X-ray source and a portable flat-panel digital X-ray detector. The system is operable to produce a high energy image and low energy image, which may be decomposed to produce a soft tissue image and a bone image for further analysis of the desired anatomy. The system is disposed on a carrier to facilitate transport. The imaging system has an alignment system for facilitating alignment of the flat-panel digital detector with the X-ray source. The imaging system also comprises an anti-scatter grid and an anti-scatter grid registration system for removing artifacts of the anti-scatter grid from images. | 10-02-2008 |
20090022276 | RADIATION IMAGE RADIOGRAPHING SYSTEM - A radiation image radiographing system | 01-22-2009 |
20090074144 | X-RAY DEVICE - The X-ray device comprises an X-ray source and a high-voltage generator for supplying the X-ray source with voltage, wherein the high-voltage generator has an intermediate circuit voltage generator and a high-voltage generator, the high-voltage generator is connected to the X-ray source, and the intermediate circuit voltage generator is connected to the high-voltage generator, wherein the intermediate circuit voltage generator and the high-voltage generator are structurally separate and the high-voltage generator is structurally positioned near the X-ray source, thereby keeping the high-voltage line to the X-ray source short. | 03-19-2009 |
20090207973 | X-RAY IMAGING APPARATUS AND DETECTOR PANEL - A detector panel incorporates an X-ray detector, an electronic circuit for interface, and a battery for power supply, and also includes a measurement device for measuring the remaining power of the battery, and a determination device for determining if the operation is executable, based on the comparison between the remaining power of the battery and the threshold defined in accordance with the required power for operating the X-ray detector and the electronic circuit. | 08-20-2009 |
20090257560 | 3D POLY-PHASE TRANSFORMER - A three dimensional (3D) poly-phase transformer includes a plurality of transformer ribs mechanically and magnetically coupled such that each transformer rib forms a leg of a polygon. A plurality of the polygons forms a 3D polyhedron structure. At least two base planes of the 3D poly-phase transformer including a polygon have a plurality of base ribs. At least four side ribs of the 3D poly-phase transformer are disposed between the base planes. The 3D poly-phase transformer includes a plurality of primary and secondary transformer windings. Another 3D poly-phase transformer includes at least two base planes having a closed curve. Each closed curve includes a plurality of curved base ribs, and at least four side ribs of the 3D poly-phase transformer disposed between the base planes. Methods of manufacturing three dimensional (3D) poly-phase transformers are also described. | 10-15-2009 |
20110002445 | DC/AC POWER INVERTER CONTROL UNIT OF A RESONANT POWER CONVERTER CIRCUIT, IN PARTICULAR A DC/DC CONVERTER FOR USE IN A HIGH-VOLTAGE GENERATOR CIRCUITRY OF A MODERN COMPUTED TOMOGRAPHY DEVICE OR X-RAY RADIOGRAPHIC SYSTEM - The present invention refers to a DC/AC power inverter control unit of a resonant-type power converter circuit (400), in particular a DC/DC converter, for supplying an output power for use in, for example, a high-voltage generator circuitry of an X-ray radio-graphic imaging system, 3D rotational angiography device or X-ray computed tomography device of the fan-or cone-beam type. More particularly, the present invention is directed to a resonant-type power converter circuit out which comprises an interphase transformer (406) connected in series to at least one series resonant tank circuit (403 | 01-06-2011 |
20110235782 | Radiation imaging system, console, and radiation imaging program - A radiation imaging system has a radiation generation device, an FPD cassette, and a console. The console judges whether or not the FPD cassette is in a good communication state repeatedly once every thirty seconds. Upon receiving a radiography order, the console changes repetition intervals from thirty seconds to three seconds, and keeps judging the communication state of the FPD cassette. The repeated judgment is continued until a shutter button is pressed. Upon the press of the shutter button, the radiation generation device emits radiation to carry out radiography. | 09-29-2011 |
20110261931 | Inductive Rotating Transmission Devices with Ripple Compensation for Computer Tomographs - A method for compensation of input voltage fluctuations in an inductive rotating coupler is disclosed. This coupler includes a power generator that feeds an alternating-current voltage into a resonance circuit including a resonance capacitor and an inductive rotating transmission device. The power generator is fed with an input direct-current voltage that may fluctuate, for example, owing to residual ripple. A control unit determines this input direct-current voltage and calculates there from an optimum operating frequency for the power generator, so that the output voltage at the load remains constant. | 10-27-2011 |
20120002789 | REPAIRABLE MONOBLOCK X-RAY GENERATING DEVICE - A monoblock X-ray generating device is provided. The device includes a rotor, a stator, an anode and a cathode positioned in a first module, the first module comprising a first cooling circuit. The device further includes a high voltage transformer positioned in a second module, the second module comprising a second cooling circuit. The first and second cooling circuits are positioned apart from each other, and one of the first and the second modules comprises a male connector and the other of the first and the second modules comprises a mating female connector. | 01-05-2012 |
20120020463 | COMPACT, LOW NOISE POWER SUPPLY FOR ADVANCED ELECTRONICS APPLICATIONS, AND X-RAY ANALYZER APPLICATIONS THEREOF - A shielded, low-noise, high-voltage power supply having a plurality of voltage multipliers, each having a toroidal transformer, and collectively producing a high DC output voltage from an AC voltage. A main conductor carries the AC voltage, and is positioned proximate each toroidal transformer of the plurality of voltage multipliers. A conductive shell is conductively connected to the main conductor, and substantially encloses the plurality of voltage multipliers and the main conductor, the conductive shell providing a return path for the AC voltage in the main conductor and providing EMI shielding of the voltage multipliers and the main conductor. Other features are provided, including an intermediate transformer for conditioning/isolating the AC voltages. | 01-26-2012 |
20120027179 | INDUSTRIAL X-RAY GENERATOR - An X-ray generator includes a booster circuit formed by sequentially connecting a plurality of boosting steps extending from a low-voltage terminal to a high-voltage terminal of its own. | 02-02-2012 |
20130044866 | X-RAY GENERATING DEVICE EMPLOYING A MECHANICAL ENERGY SOURCE AND METHOD - The present invention relates to the generation of X-ray-radiation ( | 02-21-2013 |
20130163725 | X-RAY TUBE TO POWER SUPPLY CONNECTOR - An x-ray source can include an x-ray tube and a power supply. The x-ray tube can be removably affixed to the power supply in a rigid manner with the x-ray tube movable and holdable along with the power supply when affixed thereto. A releasable coupling between the x-ray tube and the power supply can create an interface defining a potential arc path. A means, such as a non-linear plug and socket junction, a gasket, or an electrically conductive sleeve, can be used for resisting arcing along the potential arc path. | 06-27-2013 |
20130177137 | X-Ray Tube - An X-ray tube includes a vacuum-filled housing and an anode contained in the vacuum-filled housing. The anode is operable to produce an X-ray beam based on electrons emitted from a cathode and attracted by a high voltage applied to the anode. The X-ray tube also includes a high-voltage power line introduced from an external side of the housing for supplying the anode with a high-voltage potential. The X-ray tube includes an electrical feed for electrically insulating the high-voltage power line from the housing. The electrical feed in the X-ray tube includes at least two insulating layers radially between the high-voltage power line and the housing. The at least two insulating layers are separated from one another by a metallic coating. | 07-11-2013 |
20130195251 | X-RAY IMAGING APPARATUS, INFORMATION PROCESSING APPARATUS, METHODS OF CONTROLLING THE SAME, AND STORAGE MEDIUM - An X-ray imaging apparatus comprises: a wireless communication unit configured to communicate with a control apparatus; a measurement unit configured to measure first and second wireless parameters representing a wireless communication environment; a movement stop detection unit configured to detect a movement stop of the X-ray imaging apparatus based on a temporal variation in the first wireless parameter; a wireless environment determination unit configured to determine one of stability and instability of the wireless communication environment based on a temporal variation in the second wireless parameter; and an output unit configured to output, to the control apparatus, a signal to prohibit an X-ray generation apparatus connected to the control apparatus from performing exposure based on a detection result of the movement stop detection unit and a determination result of the wireless environment determination unit. | 08-01-2013 |
20130308757 | ELECTRIC POTENTIAL CONTROL OF HIGH VOLTAGE INSULATION - A high voltage device includes a circuit board | 11-21-2013 |
20140003583 | ROTATING MEMBER FOR RADIATION IMAGING MODALITY CONFIGURED TO FACILITATE CONTACTLESS TRANSFER OF INFORMATION AND/OR POWER AND/OR TO FACILITATE ASCERTAINING ROTATION ANGLE OF ROTATING MEMBER | 01-02-2014 |
20140140485 | TRANSFORMER NETWORK - A transformer network circuit utilizing multiple smaller transformer cores, instead of a single, relatively larger core, for transferring electrical power while maintaining a smaller overall core mass. | 05-22-2014 |
20140161231 | Gantry Scanner Systems - A gantry scanner system comprises a radiation source, a plurality of detectors and a support frame supporting the detectors. The support frame includes an elongate support member arranged to support the detectors, cable support means arranged to support power cables or signal cables connected to the detectors, and cover means arranged to cover the support member, the cable support means and the detectors. | 06-12-2014 |
20140205070 | SYSTEMS AND METHODS FOR FAST KILOVOLT SWITCHING IN AN X-RAY SYSTEM - Various of the disclosed embodiments contemplate systems and methods in an X-ray imaging system, such as a CT system, facilitating more crisp switching between high and low voltages at an X-ray tube. Certain embodiments circuits which store and discharge energy to improve voltage rise and fall times. These circuits may mitigate the effects of losses, hysteresis cycles, and leakage currents. More controlled voltage rise and fall times may improve X-ray emission and detection synchronization. | 07-24-2014 |
20140307856 | Apparatus for Wireless Data and Power Transmission in a Computed Tomography System - An apparatus is configured for wireless transmission of data and electrical power between a fixed gantry part and a rotatable gantry part. The rotatable gantry part is configured to rotate about an axis of rotation of a computed tomography system. The apparatus includes a first support ring arranged on the rotatable gantry part, and a second support ring arranged on the fixed gantry part. The first support ring and the second support ring are rotationally symmetrical and L-shaped in cross-section. | 10-16-2014 |
20150043717 | INTERLACED MULTI-ENERGY BETATRON WITH ADJUSTABLE PULSE REPETITION FREQUENCY - Variable pulse frequency during an output session of a betatron device and adjustable energy from pulse to pulse are provided. A different bias magnetic field may be used for different cycles of an output session, thereby providing different pulse energies. In one example, the bias field can be switched from a positive value to zero, with energy stored in a storage device when the bias field is zero. The bias field can also be used to expand electrons from a stable orbit when the bias field is decreased. For variable pulse frequency, when a current in the swing coils decreases to zero, the swing coils can be disengaged from a storage device for an adjustable time before re-engaging for a next cycle, thereby adjusting the frequency. In addition, radiation dose output can be adjusted by varying a length of time for the injection of electrons into a betatron. | 02-12-2015 |
20150348737 | X-RAY RADIATION SOURCE AND X-RAY TUBE - In an X-ray radiation source, a counter wall made of alkali-containing glass, out of walls of a housing of an X-ray tube, is sandwiched between a filament and an electric field control electrode to each of which a negative high voltage is applied. This configuration prevents an electric field from being generated in the counter wall and thus suppresses precipitation of alkali ions from the glass. Therefore, it prevents change in potential relationship between electrodes at different potentials such as the filament, grid, and target and enables stable operation to be maintained, without occurrence of a trouble of failure in maintaining a desired X-ray amount. | 12-03-2015 |
20150371809 | X-RAY GENERATOR WITH ADJUSTABLE COLLIMATION - The present disclosure provides an X-ray generator with adjustable collimation. The X-ray generator comprises: an assembly of X-ray source, which includes an X-ray tube having a cathode and an anode and a front collimator; a high voltage generator, which is disposed in an extended chamber of a housing for the X-ray tube and which is used for supplying a direct current high voltage between the cathode and the anode of the X-ray tube to excite X-ray beams; a collimation adjustment unit, which is rotatably disposed outside of the front collimator and which is used for adjusting fan-type X-ray beams into continuous pencil-type X-ray beams; and a cooling unit, which is independently mounted to the X-ray tube and which is used for cooling the anode of the X-ray tube; wherein, the assembly of X-ray source, the high voltage generator, the collimation adjustment unit and the cooling unit are integrated as a whole. The X-ray generator with adjustable collimation according to the disclosure has a compact construction, which is helpful in miniaturization, modularization and high efficiency of a security detection equipment. | 12-24-2015 |
20150382440 | X-RAY RADIATION SOURCE - In an X-ray radiation source, a counter wall made of alkali-containing glass, out of walls of a housing of an X-ray tube, is arranged opposite to a high-voltage region VH of a power supply unit including a high-voltage generation module which generates a negative high voltage to be applied to a filament. This configuration prevents an electric field from being generated in the counter wall and thus suppresses precipitation of alkali ions from the glass. Therefore, it prevents change in potential relationship between electrodes at different potentials such as the filament, grid, and target and prevents occurrence of a trouble of failure in maintaining a desired X-ray amount, thus enabling stable operation to be maintained. | 12-31-2015 |
20160081173 | X-RAY GENERATION DEVICE AND X-RAY GENERATING UNIT AND HIGH VOLTAGE GENERATING UNIT CONSTITUTING SAME - A detachable X-ray generating device proposed in the present invention comprises: an X-ray generating unit including an X-ray generating tube for irradiating an X-ray and a first connecting portion connected to the X-ray generating tube through an electric wire; and a high voltage generating unit for receiving an external supply voltage to generate a predetermined high voltage and including a second connection portion through which the generated high voltage is output, wherein the high voltage is supplied to the X-ray generating tube by mutually coupling the first connecting portion and the second connecting portion. An apparatus for removing static electricity according to the present invention has effects of replacement costs reduction, ease of selection of an installation location, thermal insulation, etc. since the apparatus can be mutually separated. | 03-17-2016 |
20160126054 | METHOD AND DEVICE FOR THE REDUCTION OF FLASHOVER-RELATED TRANSIENT ELECTRICAL SIGNALS BETWEEN THE ACCELERATION SECTION OF AN X-RAY TUBE AND A HIGH-VOLTAGE SOURCE - The invention relates to a method for the reduction of flashover-related damage to a testing assembly comprising an X-ray tube with an acceleration section and a high-voltage source. To this end, the invention proposes the use of a special high-voltage resistant cable for the electrically conductive connection of the high-voltage source with the acceleration section. The cable comprises an inner conductor, an electrical insulator surrounding the latter, and a shielding made of an electrically conductive material and enveloping the inner conductor and the insulator. Further, the invention proposes the use of a special high-voltage resistant plug or a special high-voltage resistant socket or suitable combinations of the cable, plug and socket or a testing assembly equipped therewith. The invention permits the reduction of flashover-related damage by an effective absorption of the energy of high-voltage discharge-related transients. | 05-05-2016 |
20160379794 | X-RAY GENERATING UNIT AND RADIOGRAPHIC APPARATUS - A radiographic apparatus including a target array and an X-ray detecting unit. The target array includes a plurality of targets and a forward shielding member. The forward shielding member includes a plurality of partitions. The X-ray detecting unit includes a detecting portion. The partitions each have sloping surfaces whose angles of inclination change along an array direction. | 12-29-2016 |
20190150258 | Bipolar Voltage Multiplier with Reduced Voltage Gradient | 05-16-2019 |