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| Number | Title | Issue Date |
| 7653179 | X-ray filter arrangement and x-ray filter therefor A filter arrangement for filtering x-rays particularly in a mammography apparatus, has a number of mountings, the mountings being provided for accommodation of one x-ray filter each. Each x-ray filter has a holding frame with a filter foil fastened therein, so the f... | 01/26/2010 |
| 7630477 | Method and apparatus of radiographic imaging with an energy beam tailored for a subject to be scanned A method and apparatus for tailoring the profile of an x-ray beam for radiographic imaging for a specific subject is disclosed. The invention includes a filter assembly having a pair of filters, each of which may be dynamically controlled by a motor assembly during ... | 12/08/2009 |
| 7336769 | X-ray flux management device The invention is directed to an x-ray flux management device that adaptively attenuates an x-ray beam to limit the incident flux reaching a subject and radiographic detectors in potentially high-flux areas while not affecting the incident flux and detector measureme... | 02/26/2008 |
| 7330535 | X-ray flux management device The invention is directed to an x-ray flux management device that adaptively attenuates an x-ray beam to limit the incident flux reaching a subject and radiographic detectors in potentially high-flux areas while not affecting the incident flux and detector measureme... | 02/12/2008 |
| 7327830 | Collimation and calibration integrative apparatus for container inspection system A collimation and calibration integrative apparatus for container inspection system includes a collimating block; a calibrating block; a base plate; a motor and a plurality of supporting units fixed on the base plate; a transmission unit coupled to the motor for tra... | 02/05/2008 |
| 7321654 | Narrow band x-ray system and fabrication method thereof A narrow band x-ray filter can include: a substrate; and a sheaf of one or more reflection units stacked upon each other on the substrate. Each reflection unit can include: a first set of at least two discrete spacers on a respective underlying structures, a reflect... | 01/22/2008 |
| 7315611 | X-ray reflector exhibiting taper, method of making same, narrow band x-ray filters including same, devices including such filters, multispectral x-ray production via unispectral filter, and multispectral x-ray production via multispectral filter An x-ray reflector may include: a substrate; a first layer formed on the substrate, the first layer including a relatively higher-Z material, where Z represents the atomic number; and a second layer formed on the first layer, the second layer including a relatively ... | 01/01/2008 |
| 7295649 | Radiation therapy system and method of using the same A method of using a radiation system having a multileaf collimator (“MLC”) to adjust for unevenness in the radiation emitted by the system is disclosed. By appropriately controlling the MLC in accordance with the invention the system can be operated without a fl... | 11/13/2007 |
| 7263170 | Radiation therapy system featuring rotatable filter assembly A radiation therapy system is provided having a radiation source for providing radiation for treating a patient, including treating skin cancer, wherein the radiation source features a filtering device that changes its filtering characteristic for filtering the radi... | 08/28/2007 |
| 7260183 | Filter and X-ray imaging device In order to realize a filter that can make a fine spectrum adjustment in a wide rage and can be miniaturized, and to realize an X-ray imaging apparatus provided with the filter, a filter of the present invention is provided with plural filter plates that can form a ... | 08/21/2007 |
| 7260182 | Method and apparatus of radiographic imaging with an energy beam tailored for a subject to be scanned A method and apparatus for tailoring the profile of an x-ray beam for radiographic imaging for a specific subject is disclosed. The invention includes a filter assembly having a pair of filters, each of which may be dynamically controlled by a motor assembly during ... | 08/21/2007 |
| 7254216 | Methods and apparatus for filtering a radiation beam and CT imaging systems using same A filter assembly for a computed tomographic imaging system includes first and second endplates at opposite ends of the filter assembly. Also provided is a first moveable subassembly that includes at least a first x-ray filter and which is configured to move along a... | 08/07/2007 |
| 7242744 | X-ray diffraction apparatus and method In accordance with the present invention, an x-ray diffraction apparatus and method are provided in which an x-ray or goniometer head can be adjusted in different directions to allow the head to direct x-rays at a part from various positions. In this manner, measure... | 07/10/2007 |
| 7203271 | Ionizing radiation imaging system and method with decreased radiation dose A system and method for imaging a volume having a detector including a first atomic species with an absorption edge at a first wavelength. The system also includes a source having a second atomic species for emitting an ionizing energy. The second atomic species has... | 04/10/2007 |
| 7123684 | Full field mammography with tissue exposure control, tomosynthesis, and dynamic field of view processing A mammography system using a tissue exposure control relying on estimates of the thickness of the compressed and immobilized breast and of breast density to automatically derive one or more technic factors. The system further uses a tomosynthesis arrangement that ma... | 10/17/2006 |
| 7120222 | CT imaging system with multiple peak x-ray source An x-ray source (32) for performing energy discrimination within an imaging system (10) includes a cathode-emitting device (82) emitting electrons and an anode (81) that has a target (80) whereupon the electrons impinge to generate... | 10/10/2006 |
| 7092490 | Filter system for radiological imaging A filtering system for use in, for example, a radiological imaging in a mammography apparatus. The system has a roundabout carrying a set of filtration plates. Each filtration plate is held on the roundabout by a joint. In a parked or stationary position, each plate... | 08/15/2006 |
| 7091491 | Method and means for reducing electromagnetic noise induced in X-ray detectors The present invention relates to a system and method by which the magnitude of an interfering electrical and/or magnetic field may be sampled locally (in the X-ray detector for example) and reduced or eliminated. More specifically, embodiments comprise a system and ... | 08/15/2006 |
| 7072447 | Device for filtering an x-ray beam An apparatus for filtering an x-ray beam emitted by an x-ray source comprises a filter, adjustable from a parked position (P) outside of a path of the x-ray beam into a filtering position (F) in the x-ray beam path. A corresponding first sensor device detects when t... | 07/04/2006 |
| 7050544 | X-ray diagnostic device with filters and a beam sighting mirror mounted on a common rotatable disk An X-ray diagnostic device has an X-ray tube and a diaphragm housing in which diaphragm plates for limiting an X-ray field are contained, as are a lamp and a mirror. The lamp and mirror are configured so that, when the lamp is on, the light therefrom is reflected by... | 05/23/2006 |
| 7023954 | Optical alignment of X-ray microanalyzers A method for X-ray analysis of a sample includes aligning an optical radiation source with an X-ray excitation source, so that a spot on the sample that is irradiated by an X-ray beam generated by the X-ray excitation source is illuminated with optical radiation gen... | 04/04/2006 |
| 7012990 | X-ray radiographic apparatus, X-ray restrictor, and X-ray radiographic method A switching mechanism is configured such that a lower limb radiographic filter 11a is moved inside a radiation field of the X-rays that is an opening portion of an X-ray movable restriction only when radiographing a region of a subject from the groin t... | 03/14/2006 |
| 7010094 | X-ray inspection using spatially and spectrally tailored beams A system and method for inspecting an object, the system and method comprising a source for generating a penetrating radiation beam for irradiating the object, the beam having, for each instant of time, an instantaneous energy spectrum of intensity, a shaper for mod... | 03/07/2006 |
| 6993117 | Method and apparatus of modulating the filtering of radiation during radiographic imaging The present invention includes a filtering apparatus for a CT imaging system or equivalently for an x-ray imaging system. The filtering apparatus may be translated along a first axis or a transverse axis to with respect to an attenuation pattern of a subject during ... | 01/31/2006 |
| 6968043 | X-ray analyzer There is disclosed an X-ray analyzer capable of precisely measuring a trace amount of cadmium contained in plastic. The analyzer has an X-ray filter assembly between an X-ray tube having an Rh target and a plastic sample. The filter assembly consists of first, secon... | 11/22/2005 |
| 6954516 | Imaging systems and methods A method for obtaining data includes scanning an organ with an imaging system emitting X-rays and modulating the emitted X-rays with an organ specific bowtie addition. ... | 10/11/2005 |
| 6920203 | Method and apparatus for selectively attenuating a radiation source A technique for selectively attenuating a radiation exposure in which a configurable collimator is employed between the radiation source and the radiation target. The configurable collimator typically comprises an array of independently addressable elements each of ... | 07/19/2005 |
| 6898271 | X-ray radiographic apparatus, X-ray restrictor, and X-ray radiographic method A switching mechanism is configured such that a lower limb radiographic filter 11a is moved inside a radiation field of the X-rays that is an opening portion of an X-ray movable restriction only when radiographing a region of a subject from the groin t... | 05/24/2005 |
| 6862340 | Device for filtering a ray bundle A device for filtering a ray bundle of electromagnetic radiation, particularly an X-ray bundle has different filter stages, produced by multiple filters that can be adjusted into the ray bundle, a drive for moving the filters, and separate arms for moving each of th... | 03/01/2005 |
| 6851854 | X-ray apparatus with interchangeable filter and area dose measuring device An X-ray apparatus has a radiation source, an interchangeable radiation filter and an area dose measuring device having a measurement chamber with an allocated evaluation device for determining the area dose product on the basis of a measured signal provided by the ... | 02/08/2005 |
| 6650730 | Filter assembly for X-ray filter system for medical imaging contrast enhancement A system for creating an image of the internal features of an object includes an X-ray source and detector array positioned to interpose the object between the X-ray source and the detector array. An X-ray beam is passed through the object along a first p... | 11/18/2003 |
| 6633627 | X-ray CT system, gantry apparatus, console terminal, method of controlling them, and storage medium In order to obtain an X-ray tomographic image with high quality while minimizing the exposed dose to a subject by employing the most suitable filter according to the region of the subject to be scanned, a filter unit 6 having filters 6a-6c having differen... | 10/14/2003 |
| 6614878 | X-ray filter system for medical imaging contrast enhancement A system for creating an image of the internal features of an object includes an X-ray source and detector array positioned to interpose the object between the X-ray source and the detector array. An X-ray beam is passed through the object along a first p... | 09/02/2003 |
| 6430265 | X-ray apparatus including a filter provided with filter elements having an adjustable absorption An X-ray apparatus with an X-ray source for producing a beam of X-rays, an X-ray detector for detecting the beam, and an X-ray filter with filter elements. The X-ray filter is arranged between the X-ray source and the X-ray detector to attenuate the X-ray... | 08/06/2002 |
| 6426999 | X-ray apparatus including a filter provided with filter elements having an adjustable absorption An X-ray apparatus with an X-ray source for producing a beam of X-rays, an X-ray detector for detecting the beam, and an X-ray filter with filter elements which is arranged between the X-ray source and the X-ray detector so as to attenuate the X-ray beam ... | 07/30/2002 |
| 6377652 | Methods and apparatus for determining mineral components in sheet material A method and system for on-line measurements of mineral additives in or on a paper web utilizing shaped spectrum x-rays and solid-state PIN detectors. Each of three detectors are cover by a filter used to shape the spectrums of x-rays received by the dete... | 04/23/2002 |
| 6370228 | X-ray filter and x-ray examination apparatus using the same An X-ray filter comprises an array of filter elements (5) an control circuit, the control circuit comprising an array of switching devices (33) provided on a common substrate (52), a switching device (33) being provided for each filter element for switchi... | 04/09/2002 |
| 6298117 | Variable aperture z-axis tracking collimator for a computed tomograph system Methods and apparatus for dose reduction in a computed tomography (CT) system are described. In one embodiment, the CT system includes a pre-patient collimator and a configurable multislice detector array. The pre-patient collimator includes a plurality o... | 10/02/2001 |
| 6275568 | X-ray examination apparatus The invention relates to an X-ray apparatus which includes an adjustable X-ray filter. In order to adjust an intensity profile of the X-ray beam, an X-ray absorbing liquid is transported to filter elements of the X-ray filter. Such transport is susceptibl... | 08/14/2001 |
| 6252939 | X-ray examination apparatus including an X-ray filter The X-ray examination apparatus includes an X-ray source, an X-ray detector and an X-ray filter which is located between the X-ray source and the X-ray detector. The X-ray filter includes elements, notably capillary tubes, and the X-ray absorptivity of se... | 06/26/2001 |
