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| Number | Title | Issue Date |
| 7916838 | Betatron bi-directional electron injector A Betatron having a toroidal passageway disposed in a cyclical magnetic field with a main electron orbit circumnavigating the toroidal passageway. Within the toroidal passageway is a first electrode that is spaced apart from a second electrode. The combination of th... | 03/29/2011 |
| 7447297 | X-ray source focal spot deflection methods and apparatus A method includes performing an at least partially automated method to synchronize an x-ray source focal spot (FS) position to a FS deflection feedback signal. ... | 11/04/2008 |
| 7409043 | Method and apparatus to control radiation tube focal spot size A method for controlling focal spot size changes of an x-ray source in an imaging system includes measuring focal spot sizes as a function of a plurality of x-ray source operating parameters, determining a calibration table or transfer function utilizing the measure... | 08/05/2008 |
| 7406154 | High speed modulation of switched-focus x-ray tube A dose-modulated irradiating system includes an x-ray tube (20) with at least a filament (80) for generating electrons, a cathode (84) and an anode (92) for accelerating and collimating the generated electrons into an electron beam (94... | 07/29/2008 |
| 7366374 | Multilayer optic device and an imaging system and method using same An optic device, system and method for imaging are described. The optic device includes a first solid phase layer having a first index of refraction with a first photon transmission property and a second solid phase layer having a second index of refraction with a s... | 04/29/2008 |
| 7359485 | X-ray generating method and X-ray generating apparatus An electron beam with a circular cross section is flattened to form a flat electron beam with a flattened cross section. Then, the flat electron beam is irradiated onto a target, thereby generating an X-ray. Since the flat electron beam has high energy density, the ... | 04/15/2008 |
| 7354197 | Imaging inspection apparatus with improved cooling An imaging inspection apparatus which utilizes a plurality of individual imaging devices (e.g., X-ray Computer Tomography scanning devices) positioned on a frame for directing beams onto articles having objects therein to detect the objects based on established crit... | 04/08/2008 |
| 7340029 | X-ray computed tomography apparatus for fast image acquisition An x-ray computed tomography apparatus has a stationary device (3) for generating x-ray radiation from an x-ray focus that moves around the examination volume on a target that at least partially surrounds an examination volume of the apparatus in one plane. F... | 03/04/2008 |
| 7317782 | Radiation scanning of cargo conveyances at seaports and the like A radiation scanning system comprises a radiation source and a radiation detector that are proximate a crane system that moves objects between the source and the detector for scanning. The source and/or detector may be supported by the crane system or may be near to... | 01/08/2008 |
| 7298826 | X-ray generator An X-ray generator of this invention has an X-ray monitor that monitors a state of an X-ray emitted from a target. Hence the state of the X-ray can be monitored in real time to maintain the X-ray in a constant state. The X-ray monitor is positioned off the path on w... | 11/20/2007 |
| 7286642 | X-ray tube control apparatus and x-ray tube control method A maximum tube voltage value setting module 240a, a warming-up module 240b, a limit tube voltage control module 240c, a limit tube current control module 240d and a focus grid electrode control module 240 | 10/23/2007 |
| 7286641 | Method and device for exposing x-ray images The invention relates to a method of controlling the exposure of an X-ray image. Starting values for the tube current, the tube voltage and the exposure duration are hereby set on the X-ray tube (10). Following the start of the exposure, the resultant dose ra... | 10/23/2007 |
| 7284905 | X-ray radiator, x-ray device and computed tomography apparatus with focus position determining capability An x-ray radiator has a radiator housing from which x-ray radiation originating from a focus is emitted. A pre-diaphragm is disposed in the beam path of the x-ray radiation and has a diaphragm opening in or on the radiator housing. The pre-diaphragm is provided with... | 10/23/2007 |
| 7286639 | Focal spot sensing device and method in an imaging system A focal spot sensing device includes: a housing that resists x-ray beams; an opening disposed in a wall of the housing that allows an x-ray beam to enter the housing; and a sensor device disposed in the housing that interprets a position of the x-ray beam for calcul... | 10/23/2007 |
| 7279882 | Method and apparatus for measuring properties of particle beams using thermo-resistive material properties A beam position detector for measuring the properties of a charged particle beam, including the beam's position, size, shape, and intensity. One or more absorbers are constructed of thermo-resistive material and positioned to intercept and absorb a portion of the in... | 10/09/2007 |
| 7272208 | System and method for an adaptive morphology x-ray beam in an x-ray system The present invention provides for an x-ray system and method using dynamic automated spatial modulation of an x-ray beam. The system includes an x-ray source transmitting a spatially modulated beam towards an object to be imaged, an x-ray detector receiving the bea... | 09/18/2007 |
| 7266179 | X-ray radiator with collimated focal spot position detector An x-ray radiator with an anode accommodated in a housing such that it can rotate around an axis has a device for determination of the position of an x-ray-emitting focal spot on the anode. To increase the measurement precision, the device includes a collimator alig... | 09/04/2007 |
| 7249886 | Method and apparatus for measuring effective focal spot parameters of an X-ray source A method for measuring focal spot shape of a radiation beam from a radiation source includes collimating the radiation beam using a collimator having a well-defined edge, measuring an intensity profile of the collimated radiation beam, determining a function of the ... | 07/31/2007 |
| 7245692 | X-ray imaging systems and methods using temporal digital signal processing for reducing noise and for obtaining multiple images simultaneously X-ray imaging systems and methods are provided that use temporal digital signal processing for reducing noise and for obtaining multiple images simultaneously. An x-ray imaging system can include an x-ray source adapted to generate a pulsed x-ray beam having a prede... | 07/17/2007 |
| 7233645 | Systems and methods for controlling an X-ray source A control system for an X-ray source includes a sensor interface for receiving one or more sensor signals representative of operation of the X-ray source; a programmable controller operative in response to the one or more sensor signals and a sequence of control ins... | 06/19/2007 |
| 7218700 | System for forming x-rays and method for using same A system and method for forming x-rays. One exemplary system includes a target and electron emission subsystem with a plurality of electron sources. Each of the plurality of electron sources is configured to generate a plurality of discrete spots on the target from ... | 05/15/2007 |
| 7209539 | Process and device for testing parts by X rays The non-destructive test of a structure (10) such as an aircraft fuselage is done by placing an X-ray source (16) on one side of the structure, and placing a digital camera (24) on the other side. The microcomputer (28) analyzes the image... | 04/24/2007 |
| 7209545 | X-ray source assembly having enhanced output stability, and fluid stream analysis applications thereof An x-ray source assembly (2700) and method of operation are provided having enhanced output stability. The assembly includes an anode (2125) having a source spot upon which electrons (2120) impinge and a control system (2715/2720) for con... | 04/24/2007 |
| 7206381 | X-ray equipment An x-ray tube (1) irradiates an electron beam from a cathode (18) to impact a target (36) and emit x-rays. When the x-ray tube (1) operates, the magnet portion (40) is rotated every fixed time period and positioned at a prescribed ... | 04/17/2007 |
| 7203269 | System for forming x-rays and method for using same A system and method for forming x-rays. One exemplary system includes a target and electron emission subsystem with a plurality of electron sources. Each of the plurality of electron sources is configured to generate a plurality of discrete spots on the target from ... | 04/10/2007 |
| 7197109 | Real-time digital x-ray imaging apparatus A x-ray diagnostic apparatus and methods perform Real-Time Digital Radiography with particular application in dental x-ray imaging modalities, such as Orthopantomography, Scannography, Linear Tomography and Cephalography, by using a versatile and robotized mechanica... | 03/27/2007 |
| 7180981 | High quantum energy efficiency X-ray tube and targets The invention relates to targets for an X-ray transmission tube (9); to a high efficiency, high excitation energy X-ray transmission tube; to combinations of the targets and high efficiency X-ray transmission tubes; and applications for utilizing such X-ray t... | 02/20/2007 |
| 7177392 | X-ray detector for feedback stabilization of an X-ray tube An x-ray tube emits X-rays in response to a current control signal. An X-ray detector detects the emitted X-rays and provides a detected X-ray signal indicative thereof to a control system, which provides the current control signal. The X-ray detector provides feedb... | 02/13/2007 |
| 7175345 | Dental x-ray apparatus A dental x-ray apparatus (10) includes a tube head (11) formed from a cast zinc material. Structural components of tube head (11) include such component (20) formed from a plastic material impregnated with a high molecular weight substanc... | 02/13/2007 |
| 7167541 | X-ray photography apparatus An X-ray photography apparatus includes a photographing system and a movement control section. The photographing system is made up of a normal X-ray source for irradiating X rays to a subject, a small focus X-ray source for irradiating X rays to the subject, and an ... | 01/23/2007 |
| 7162005 | Radiation sources and compact radiation scanning systems An X-ray source is disclosed comprising a source of high energy electrons that travel along a longitudinal path. Target material lies along the longitudinal path and X-ray radiation is generated due to impact of the high energy electrons with the target. Shielding m... | 01/09/2007 |
| 7155044 | Multiscale gradation processing method A method of generating a contrast enhanced version of a grey value image by applying contrast amplification to a multiscale representation of the grey value image wherein density in the contrast enhanced version as a function of grey value and contrast amplification... | 12/26/2006 |
| 7133495 | X-ray generator An X-ray generator 1 includes an X-ray tube 11 having a cathode portion 16, a grid electrode 15 and a target 22, a voltage controller 27 and 32 for controlling voltages to be applied to the cathode portion 16 a... | 11/07/2006 |
| 7123688 | X-ray tube The invention relates to an X-ray tube which includes a device for at least substantially protecting an object to be examined against the incidence of undesirable X-rays (E) which can be produced notably by the decay of a residual or surplus charge present in a high... | 10/17/2006 |
| 7101078 | Methods and systems for imaging system radiation source alignment Methods and systems for aligning an x-ray source position in an imaging system are provided. The imaging system includes a multislice detector array having a plurality of rows of detector cells displaced along a z-axis and an x-ray source for radiating an x-ray beam... | 09/05/2006 |
| 7082188 | Power source for regulated operation of the deflection coil of an x-ray tube A power source for the operation of a deflection coil for an electron beam of an x-ray tube has a voltage source and a bridge circuit that is connected with each end of the deflection coil, respectively via one power switch in series connection to opposite poles of ... | 07/25/2006 |
| 7079623 | X-ray unit for the generation of brief X-ray pulses and inspection device operating with such an X-ray unit An invention related to an X-ray device for the generation of brief X-ray pulses comprising an X-ray tube having a thermionic cathode and an anode and an X-ray generator having a first circuit for the generation of a high-voltage pulse which is applied to the anode ... | 07/18/2006 |
| 7072439 | X-ray tube and method and apparatus for analyzing fluid streams using x-rays A technique for analyzing fluids by means of x-ray fluorescence applicable to any fluid, including liquids and gases, which emit x-ray fluorescence when exposed to x-rays. The apparatus includes an x-ray source (82) including an x-ray tube (64) having ... | 07/04/2006 |
| 7050543 | Microfocus X-ray tube A microfocus X-ray tube is provided, and comprises a head that during operation of the X-ray tube faces an object that is to be inspected. The head has an outer surface with a cross-section that tapers toward a free end of the head. A target is disposed on or in the... | 05/23/2006 |
| 7049616 | Methods, apparatus, and software for adjusting the focal spot of an electron beam A method of adjusting a beam spot width includes scanning a phantom with an electron beam having a beam spot width to obtain data; and adjusting the beam spot width using the obtained data. ... | 05/23/2006 |
