Class / Patent application number | Description | Number of patent applications / Date published |
378053000 | Composition analysis | 73 |
20080205594 | Dual energy radiation scanning of contents of an object - In one embodiment, a method of examining contents of an object is disclosed comprising scanning an object at first and second radiation energies, detecting radiation at the first and second energies, and calculating a function of the radiation detected at the first and second energies. The method further comprises calculating at least one second function based, at least in part, on at least some of the first functions, and determining whether the object at least potentially contains material in a class of materials based, at least in part, on the second function. The class of materials may be materials having an atomic number greater than the predetermined atomic number, for example. The second function may be compared to a criterion, which may be a threshold, for example. Systems are also disclosed. | 08-28-2008 |
20080298544 | GENETIC TUNING OF COEFFICIENTS IN A THREAT DETECTION SYSTEM - A system and method are presented for determining an optimized set of estimation coefficients for use in the gray scale conversion of measured intensity ratios derived from radiographic images of an object. Radiographic images for known materials may be obtained using different source energy levels. Measured training ratios for each known material may be determined intensity values derived from pairs of radiographic images. Standard attenuation data for each known material may also provided. A genetic algorithm may be used to obtain an optimized set of estimation coefficients for the known materials using initial candidate sets of estimation coefficients, the measured training ratios, and the standard attenuation data. The optimized set of estimation coefficients may be used in the gray scale conversion of measured ratios derived from radiographic images of unknown materials for the determination of the atomic number of the unknown materials. | 12-04-2008 |
20090052621 | METHOD AND APPARATUS FOR BASIS MATERIAL DECOMPOSITION WITH K-EDGE MATERIALS - A diagnostic imaging system includes a high frequency electromagnetic energy source that emits a beam of high frequency electromagnetic energy toward an object to be imaged, a detector that receives high frequency electromagnetic energy emitted by the high frequency electromagnetic energy source, and a data acquisition system (DAS) operably connected to the detector. A computer is operably connected to the DAS and is programmed to generate corresponding sets of projection values for three or more energy spectra through employment of attenuation coefficients of three or more basis materials to simulate responses of the diagnostic imaging system to a plurality of lengths of the three or more basis materials wherein the three or more basis materials comprise two or more non K-edge basis materials and one or more K-edge basis materials. | 02-26-2009 |
20090080607 | DEVICE AND PROCESS FOR FAT ANALYSIS - Meat processing device having at least one comminution unit for comminution and/or mixing of fresh and/or frozen meat and having at least one transport means ( | 03-26-2009 |
20090103677 | Classification method for sedimentary rocks - A method of determining a parameter of interest of reservoir rock formation is described using the steps of measuring an x-ray attenuation or absorption distribution of a sample of said rock formation, identifying the mineral phase part of said distribution, and subdividing the mineral phase part of said distribution to derive classification or rock type information of said sample. | 04-23-2009 |
20090154643 | X-ray detection device for foreign matter - An X-ray detection device for detecting whether or not foreign matter is mixed in on the basis of the transmission amount of X-rays that have penetrated an examination subject article by applying X-rays, at a predetermined detection position to an examination subject article being conveyed in a pipe ( | 06-18-2009 |
20090161823 | Apparatus and Method for Fluid Phase Fraction Determination Using R-Rays Optimized for Wet Gas - An apparatus for determining fractional amounts of each phase of a multiple phase fluid includes an x-ray generator includes a sample chamber is configured to admit therein a sample of fluid for analysis. The chamber is disposed in a radiation path output from the generator. A filter is disposed in the radiation path between the output of the generator and the radiation input of the sample chamber. A first radiation detector is positioned in a radiation path from the sample chamber after radiation has passed through the sample chamber. A thickness and a material of the filter are selected to optimize resolution of radiation detected by the first detector to changes in volume fraction of oil and water in the fluid sample when a gas fraction thereof is between about 90 to 100 percent. | 06-25-2009 |
20090196396 | Tray for assessing the threat status of an article at a security check point - A tray for holding a material while the material is being subjected to penetrating radiation. The tray has a surface on which the material rests while subjected to penetrating radiation. The surface has at least two areas, namely a first area and a second area, the first and second areas characterized by first and second signatures, respectively when exposed to penetrating radiation, wherein the first signature is different from the second signature. | 08-06-2009 |
20090207972 | Device and Method for Detecting Foreign Matter, and Device and Method for Removing Foreign Matter - The contaminant detector of the invention is a contaminant detector for detection of solid contaminants present in coke, and comprises X-ray irradiation means that irradiates X-rays onto coke to be evaluated for the potential presence of solid contaminants; X-ray intensity measuring means that measures the intensity of transmitted X-rays in a prescribed region of X-rays that are transmitted through coke to be evaluated; and determining means that compares the numerical value for the transmitted X-ray intensity against a prescribed threshold value and, based on the results of the comparison, determines whether or not the coke to be evaluated includes solid contaminants in the prescribed region. | 08-20-2009 |
20090232276 | X-RAY DETECTION IN PACKAGING - Angle dispersive X-ray diffraction is used to test pharmaceutical products including a dosage form inside packaging, for example a tablet inside a blister pack, without removing the dosage form from the packaging. The dosage form is aligned with a measurement system having an X-ray source for generating X-rays, X-ray optics, and an X-ray detector for detection of X-rays. Then, at least one X-ray signature is measured on a predetermined location on the dosage form. The measured X-ray signature is compared with reference X-ray signatures in a data library. | 09-17-2009 |
20090310744 | TARGET COMPOSITION DETERMINATION METHOD AND APPARATUS - A target composition determination apparatus includes, an x-ray emission element for concurrently transmitting x-ray photons with a plurality of different energy levels at a target, and an x-ray detection element for receiving x-rays interacting with the target and for determining the energy levels of the received x-rays, the x-ray detection element generating at least one output signal indicative of the number of x-rays interacting with the target and the energy levels determined for each of the x-rays, and a processing element receiving the output signal and indicating the presence of at least one component material within the target using the received detection element signal and a multivariate calibration prepared for the target, the apparatus including that the output signal of the x-ray detection element is batched over a pre-selected time period to define the physical resolution of the target composition apparatus when a target is moved relative to the apparatus. | 12-17-2009 |
20090310745 | NON-DESTRUCTIVE CHARACTERIZATION METHOD, ESPECIALLY FOR CHARACTERIZING PARTICLES OF NUCLEAR FUEL FOR A HIGH-TEMPERATURE REACTOR - The aim of the method is to characterize an element ( | 12-17-2009 |
20090323894 | DEVICE AND METHOD FOR REAL-TIME MARK OF SUBSTANCE IDENTIFICATION SYSTEM - Disclosed are a method and a device for real-time mark for a high-energy X-ray dual-energy imaging container inspection system in the radiation imaging field. The method comprises the steps of emitting a first main beam of rays and a first auxiliary beam of rays having a first energy, and a second main beam of rays and a second auxiliary beam of rays having a second energy; causing the first and second main beams of rays transmitting through the article to be inspected; causing the first and second auxiliary beams of rays transmitting through at least one real-time mark material block; collecting values of the first and second main beams of rays that have transmitted through the article to be inspected as dual-energy data; collecting values of the first and second auxiliary beams of rays that have transmitted through the real-time mark material block as adjustment parameters; adjusting the set of classification parameters based on the adjustment parameters; and identifying the substance according to the dual-energy data based on adjusted classification parameters. The method according to the invention simplifies the mark procedure for a substance identification subsystem in a high-energy dual-energy system while improves the stability of the material differentiation result of the system. | 12-31-2009 |
20100002834 | Method and apparatus for assessing characteristics of liquids - A method to perform security screening at an airport on hand-carried baggage. The method includes requesting passengers with hand carried baggage to remove from the baggage a container that holds a liquid and perform an x-ray inspection on the hand carried baggage and on the container while the container remains outside the baggage. According to the method, the results of the x-ray inspection are used to determine if the baggage contains illegal objects and if the liquid is a security threat. | 01-07-2010 |
20100119037 | NONDESTRUCTIVE IDENTIFICATION METHOD AND NONDESTRUCTIVE IDENTIFICATION DEVICE - A nondestructive identification device includes: a radiation source | 05-13-2010 |
20100128844 | System and Method for Material Segmentation Utilizing Computed Tomography Scans - Certain embodiments provide a radiation analysis system for material segmentation utilizing computed tomography (CT) scans. The radiation analysis system includes an input module configured to input dual energy data. The dual energy scanned data includes first data corresponding to a first parameter and second data corresponding to a second parameter for a given scanned volume. The radiation analysis system also includes a processor configured to generate a scatter plot based on the dual energy data. The first data corresponds to a first axis and the second data corresponds to a second axis. The processor is configured to identify at least one material type based on the scatter plot. | 05-27-2010 |
20100166142 | METHOD FOR DETECTING THE PRESENCE OF HIGH ATOMIC NUMBER ELEMENTS - Disclosed herein is a method for detecting high atomic number elements in an article by using radiation having two different energies. The detecting of high atomic number elements can be accomplished by using an algorithm, curve fitting or using a data table. Disclosed herein too is a radiation system that uses the aforementioned method for detecting high atomic number elements. | 07-01-2010 |
20100172470 | THREE-DIMENSIONAL CONTENTS DETERMINATION METHOD USING TRANSMITTED X-RAY - An X-ray that has passed through a target object | 07-08-2010 |
20100202584 | OPTIMAL WEIGHTS FOR MEASURING SPECTRAL X-RAY DATA - A method for determining a composition of an object using a spectral x-ray system is provided. X-ray photons of at least two different energies are transmitted through the object. The energy of each detected x-ray photon using a detector in the x-ray system is estimated. A first weighted sum of the number of detected photons of each energy is found using a first weighting function, wherein the first weighting function is dependent on the attenuation coefficient function of a first material. In another embodiment, the photons are binned into two energy bins wherein there is a gap between the energy bins. | 08-12-2010 |
20100220835 | METHOD AND APPARATUS FOR INSPECTION OF MATERIALS - A method of and apparatus for obtaining radiation interaction data related to an image of an object. The method involves using a detector system for detecting and collecting spectroscopically resolvable information about incident radiation, and collecting one or more datasets of information at the detector after interaction with an object. Each dataset is resolved across at least three frequency bands within the spectrum of the source. The ratio between measured intensities is evaluated for at least two pairs of such frequency bands in a given intensity dataset to obtain a numerical indicator in functional relationship with a material property. The numerical indicator is then compared with a library of data characteristics of target materials. An apparatus is also disclosed for inspection of materials | 09-02-2010 |
20100232569 | DEVICE FOR THE ONLINE DETERMINATION OF THE CONTENTS OF A SUBSTANCE, AND METHOD FOR USING SUCH A DIVICE - A device for the online determination of the contents of a substance having a gamma-radiating isotope, which includes at least one detector, which measures the natural gamma radiation of said isotope. In order to be able to easily calibrate the device, a measurement is carried out at the same location for determining the surface dimensions of the substance within the detection region of the detector or of a representative partial region. | 09-16-2010 |
20100278304 | X-RAY IMAGING APPARATUS, X-RAY IMAGING METHOD AND METHOD OF CONTROLLING X-RAY IMAGING APPARATUS - A simplified X-ray imaging apparatus is capable of computationally determining effective atomic numbers with small error factors even for light elements. The X-ray imaging apparatus has an X-ray generation unit | 11-04-2010 |
20100284514 | METHOD AND DEVICE FOR INSPECTION OF LIQUID ARTICLES - Disclosed are a method and a device for security-inspection of liquid articles with dual-energy CT imaging. The method comprises the steps of obtaining one or more CT images including physical attributes of liquid article to be inspected by CT scanning and a dual-energy reconstruction method; acquiring the physical attributes of each liquid article from the CT image; and determining whether the inspected liquid article is dangerous based on the physical attributes. The CT scanning can be implemented by a normal CT scanning technique, or a spiral CT scanning technique. In the normal CT scanning technique, the scan position can be preset, or set by the operator with a DR image, or set by automatic analysis of the DR image. | 11-11-2010 |
20100310042 | Method and Apparatus to Facilitate Using Multiple Radiation-Detection Views to Differentiate One Material From Another - At least three radiation-detection views are used to facilitate identifying material as comprises an object being assessed along a beam path relative to that object. This comprises developing a first radiation-detection view ( | 12-09-2010 |
20110064191 | MICROCALORIMETRY FOR X-RAY SPECTROSCOPY - An improved microcalorimeter-type energy dispersive x-ray spectrometer provides sufficient energy resolution and throughput for practical high spatial resolution x-ray mapping of a sample at low electron beam energies. When used with a dual beam system that provides the capability to etch a layer from the sample, the system can be used for three-dimensional x-ray mapping. A preferred system uses an x-ray optic having a wide-angle opening to increase the fraction of x-rays leaving the sample that impinge on the detector and multiple detectors to avoid pulse pile up. | 03-17-2011 |
20110075800 | Dual energy radiation scanning of contents of an object based on contents type - Methods for selecting and applying test criterion for use in the radiation analysis of contents of objects, based on whether the contents of the object, or contents of portions of the object, comprise inorganic or organic material, are described. In one example, the object is scanned by radiation and the contents type is determined based on preliminary test criterion adapted to distinguish between inorganic material and organic material, and detected radiation. At least one test criterion is selected based, at least in part on the determination and it is then determined whether the object at least potentially contains material having an atomic number greater than a predetermined atomic number based, at least in part, on the detected radiation and the at least one selected test criterion. Systems are also disclosed. | 03-31-2011 |
20110075801 | Process and Apparatus for Identifying Autocatalysts - The present invention relates to a process and apparatus for non-destructive identification of encased autocatalysts which comprise metallic and/or ceramic support substrates which may possess a catalytic coating. The process comprises the X-raying of the encased autocatalysts and the identification of the autocatalyst by comparing the data obtained with a data bank which contains information about industrially manufactured autocatalysts. Optionally, the process may comprise further examination steps (for example weighing, measurement of the electrical and/or magnetic properties or photographic imaging). | 03-31-2011 |
20110110489 | Apparatus, method and computer-readable medium analyzing components using X-ray - Provided is an apparatus, method and computer-readable medium analyzing components using an X-ray. The apparatus, method and computer-readable medium may photograph an object using an X-ray of at least two energy bands to output X-ray images, predict a component ratio of the object using the X-ray images, calculate a length of the object for each of the at least two energy bands using an intensity of the X-ray images, when the object is configured in the predicted component ratio, and verify whether an error in the component ratio occurs by comparing the lengths of the object calculated for each of the at least two energy bands. | 05-12-2011 |
20110116596 | Method and Apparatus for Sorting Materials According to Relative Composition - Disclosed herein is a metal sorting device including an X-ray tube, a dual energy detector array, a microprocessor, and an air ejector array. The device senses the presence of samples in the x-ray sensing region and initiates identifying and sorting the samples. After identifying and classifying the category of a sample, at a specific time, the device activates an array of air ejectors located at specific positions in order to place the sample in the proper collection bin. | 05-19-2011 |
20110176658 | METHOD AND APPARATUS FOR MEASURING MOISTURE CONTENT IN A BIOLOGICAL MATERIAL - A method for measuring moisture content in a biological material in an automated procedure is disclosed. The method comprises the step of: providing a reference database for a plurality of different material types with known moisture content. Further, a sample of biological material, such as chips of wood, pulp, grain, crop or sugar canes, are scanned with electromagnetic radiation of at least two different energy levels and the amount of radiation transmitted through the sample of the biological material is determined at said two energy levels. Subsequently, a material type in the reference database most resembling the biological material of the biological material of the sample is identified, and the moisture content of the sample of biological material is determined based on the identified material type and the determined amounts of radiation transmitted through the sample. | 07-21-2011 |
20110211671 | METHOD AND DEVICE FOR INSPECTION OF LIQUID ARTICLES - Disclosed are a method and a device for security-inspection of liquid articles with dual-energy CT imaging. The method comprises the steps of obtaining one or more CT images including physical attributes of liquid article to be inspected by CT scanning and a dual-energy reconstruction method; acquiring the physical attributes of each liquid article from the CT image; and determining whether there are drugs concealed in the inspected liquid article based on the difference between the acquired physical attributes and reference physical attributes of the inspected liquid article. The CT scanning can be implemented by a normal CT scanning technique, or a spiral CT scanning technique. In the normal CT scanning technique, the scan position can be preset, or set by the operator with a DR image, or set by automatic analysis of the DR image. | 09-01-2011 |
20110235777 | High-Energy X-Ray-Spectroscopy-Based Inspection System and Methods to Determine the Atomic Number of Materials - The application discloses systems and methods for X-ray scanning for identifying material composition of an object being scanned. The system includes at least one X-ray source for projecting an X-ray beam on the object, where at least a portion of the projected X-ray beam is transmitted through the object, and an array of detectors for measuring energy spectra of the transmitted X-rays. The measured energy spectra are used to determine atomic number of the object for identifying the material composition of the object. The X-ray scanning system may also have an array of collimated high energy backscattered X-ray detectors for measuring the energy spectrum of X-rays scattered by the object at an angle greater than 90 degrees, where the measured energy spectrum is used in conjunction with the transmission energy spectrum to determine atomic numbers of the object for identifying the material composition of the object. | 09-29-2011 |
20110249788 | SYSTEM AND METHOD FOR DETERMINING THE COMPOSITION OF AN OBJECT - The present invention discloses a method for identifying the elemental composition of an object ( | 10-13-2011 |
20120020458 | METHOD AND SYSTEM FOR DETERMINING THE CONSTITUENT CONTENT OF A MULTIPHASE FLUID - A method for determining the constituent content of a multiphase fluid includes the following steps: x-rays at single-energy or dual-energy levels are produced by an x-ray machine, after said x-rays pass through the multiphase fluid, the data at each energy level are detected by a detector sub-system which is composed of one or two detectors, and the mass percents of the components in the multiphase fluid are calculated by a controlling and data processing sub-system based on the detected data. Said multiphase fluid is a two-phase or three-phase mixture in crude oil or natural gas. The method can be used for automatic online measurement of the production in oil and gas fields. | 01-26-2012 |
20120140879 | METHOD AND APPARATUS FOR ASSESSING CHARACTERISTICS OF LIQUIDS - A method to perform security screening at an airport on hand-carried baggage. The method includes requesting passengers with hand carried baggage to remove from the baggage a container that holds a liquid and perform an x-ray inspection on the hand carried baggage and on the container while the container remains outside the baggage. According to the method, the results of the x-ray inspection are used to determine if the baggage contains illegal objects and if the liquid is a security threat. | 06-07-2012 |
20120148018 | Method and Apparatus for Sorting Materials According to Relative Composition - Disclosed herein is a metal sorting device including an X-ray tube, a dual energy detector array, a microprocessor, and an air ejector array. The device senses the presence of samples in the x-ray sensing region and initiates identifying and sorting the samples. After identifying and classifying the category of a sample, at a specific time, the device activates an array of air ejectors located at specific positions in order to place the sample in the proper collection bin. | 06-14-2012 |
20120177175 | DUAL ANGLE RADIATION SCANNING OF OBJECTS - In one example, a method of examining contents of an object is disclosed comprising scanning an object by first and second radiation beams at least first and second angles, detecting radiation at the first and second angles, and determining whether the object at least potentially comprises high atomic number material, which may be nuclear material or shielding material, based, at least in part, on the detected radiation. In one example, the detected radiation at both angles must be indicative of a region of high atomic number material by the presence of corresponding high density regions, in order for it to be concluded that high atomic number material that may be nuclear material may be present. The determination may be further based on the size of a high density region in one of the images. Systems are also disclosed. | 07-12-2012 |
20120201346 | CONVERTOR FOR X-RAY RADIOGRAPHY AND ITS MANUFACTURING METHOD AND AN X-RAY DETECTOR - The present disclosure provides a convertor for X-ray radiography and its manufacturing method and an X-ray detector, wherein the surface of the scintillator facing the X-ray is covered with photonic crystals of a two-dimensional or three-dimensional spatial structure capable of reflecting the visible light facing the photonic crystals generated by the scintillator to increase the intensity of the output light of the scintillator by more than 100%, thus enhancing the image brightness and improving the image resolution, in addition to reducing to a certain extent the interference between pixels due to the ability of the photonic crystals to control the direction of the light being reflected, for example, by controlling the reflecting direction so as to be vertical to the surface of the scintillator, and the manufacturing method and material for the photonic crystals are low in cost without toxicity, enabling it to be used more widely. | 08-09-2012 |
20120288059 | CHARACTERISTIC X-RAY COMPUTED LAMINOGRAPHY SYSTEM FOR HOME MADE EXPLOSIVES (HME) DETECTION - A homemade explosives (HME) detection system provides a coded-source, x-ray computed laminography imaging system which detects material composition by the ratio of the transmitted characteristic X-rays within a coded x-ray beam. Motion-free 3-Dimensional geometrical details are obtained through computed laminography imaging techniques. | 11-15-2012 |
20130101086 | FACILITY AND METHOD FOR MOLECULAR STRUCTURE DETERMINATION - A molecular structure determination facility includes a first X-ray source capable of emitting a pulsed coherent X-ray beam along a first emission direction and a plurality of first measurement stations aligned along the first emission direction. Each of the first measurement stations comprises a sample injector device for injecting a sample beam of a liquid into an interaction region, a focusing unit for focusing an X-ray beam, and a detector arranged around and comprising a central opening aligned with the emission direction, and being sensitive to X-rays emerging from the interaction region. A method uses the facility by emitting a coherent X-ray beam pulse using the first X-ray source, triggering the injector devices to inject sample beams of liquid into the interaction regions such that the coherent X-ray pulse intersects the sample beams of liquid in the interaction regions, and detecting X-rays emerging from the interaction regions using the detectors. | 04-25-2013 |
20130101087 | SYSTEM AND METHOD FOR MEASURING ASH CONTENT AND CALORIFIED VALUE OF COAL - A system and a method for measuring an ash content and a calorific value of a coal are provided. The system comprises: at least two dual-energy gamma ray transmission measuring devices and a computing device, in which at least one first dual-energy gamma ray transmission measuring device is disposed before an inlet of a coal combustion apparatus for measuring a first attenuation coefficient of a gamma ray from the at least one first dual-energy gamma ray transmission measuring device with regard to the coal; at least one second dual-energy gamma ray transmission measuring device is disposed after an outlet of the coal combustion apparatus for measuring a second attenuation coefficient of a gamma ray from the at least one second dual-energy gamma ray transmission measuring device with regard to a coal ash; and the computing device is configured to compute the ash content and the calorific value of the coal. | 04-25-2013 |
20130121461 | METHOD OF MANAGING A WEIGHT CONDITION IN AN ANIMAL - A methodology of managing a weight condition of a companion animal by determining body fat composition of the companion animal and an appropriate weight loss regimen based on the body fat percentage is provided. More specifically, described herein is a clinically useful tool and methodology to apply to over-weight and obese animals for use in managing a weight condition of the overweight or obese animal by determining the body fat percentage of the animal and providing a weight loss regimen. | 05-16-2013 |
20130195243 | METHOD AND APPARATUS FOR ESTIMATING THE ASH CONTENT OF A BIOLOGICAL MATERIAL - A method for measuring ash content in a biological material in an automated or semi-automated procedure is disclosed. The method includes the steps of scanning the biological material with electromagnetic radiation of at least two different energy levels, determining the amount of radiation transmitted through the sample of the biological material at the energy levels and estimating the moisture content in the biological material based on a relationship between the determined amount of radiation transmitted through the biological material. Thereafter, the ash content in the biological material is estimated, based on the estimated moisture content in the biological material, and average attenuation coefficients for the biological material without moisture, attenuation coefficients for a combustible part of the biological material and attenuation coefficients for ash of the biological material at the energy levels. A corresponding apparatus is also disclosed. | 08-01-2013 |
20130195244 | X-Ray Inspector - Provided is an X-ray inspector capable of non-destructively measuring a shape and content of gold (Au) contained in an object to be inspected, promptly with high accuracy. An X-ray inspector includes: an X-ray generator that irradiates an object to be inspected with X-rays having energy of 90 keV or higher; X-ray detector that detects the X-rays transmitted through the object to be inspected; a computing section that measures a shape and content of Au contained in the object to be inspected based on an X-ray signal detected by the X-ray detector, wherein an Au filter and a Pt filter are respectively provided between the X-ray detector and the object to be inspected. The X-ray detector detects X-rays emitted from the X-ray generator and transmitted through the object to be inspected and the Au filter and X-rays emitted from the X-ray generator and transmitted through the object to be inspected and the Pt filter. The computing section measures the shape and the content of Au contained in the object to be inspected based on X-ray signals corresponding respectively to the X-rays. | 08-01-2013 |
20130208856 | METHOD FOR DETERMINING THE CONCENTRATION OF AN ELEMENT IN A MATERIAL - A method for determining the concentration of an element in a material includes irradiating the material with an X-ray beam having a continuum in the area of an absorption edge of the element to be measured. The intensity of the transmitted X-ray beam is measured with an energy dispersive sensor. The intensity of the transmitted X-ray beam in an energy interval above the absorption edge and in an energy interval below the absorption edge is determined. The concentration of the element is computed on the basis of said intensities. | 08-15-2013 |
20130287168 | METHOD AND SYSTEM TO ESTIMATE VISCERAL ADIPOSE TISSUE BY RESTRICTING SUBTRACTION OF SUBCUTANEOUS ADIPOSE TISSUE TO COELOM PROJECTION REGION - A method and system for estimating the visceral adipose tissue (VAT) mass or volume of a subject comprises performing a dual-energy X-ray scan of the subject; generating at least one image of the subject from the dual-energy X-ray scan; identifying a region of interest on the at least one image; dividing the region of interest into a plurality of sections; determining an outer transverse extent of a coelom or inner abdominal cavity of the subject; determining a subcutaneous adipose tissue (SAT) composition for each of the plurality of sections, wherein the SAT composition determination is restricted to an area directly anterior and posterior the coelom or inner abdominal cavity of the subject; and determining a VAT mass and/or volume for the region of interest based on the determined SAT composition for each of the plurality of section. | 10-31-2013 |
20130301798 | CALIBRATION METHOD OF RADIATION DETECTING APPARATUS, RADIATION IMAGING APPARATUS AND CONTROL METHOD OF RADIATION IMAGING APPARATUS - A calibration method of a radiation detecting apparatus, a control method of a radiation imaging apparatus and a radiation imaging apparatus are provided. The control method of the radiation imaging apparatus includes performing prior information acquisition by obtaining at least one correction threshold energy, at which a theoretical radiation intensity of at least one threshold energy is measured, and performing radiation image acquisition by obtaining at least one radiation image at the at least one threshold energy using the at least one correction threshold energy. | 11-14-2013 |
20140093037 | Measuring a Flow-Rate and Composition of a Multi-Phase Fluid Mixture - An apparatus for measurement of a flow-rate and/or a composition of a multi-phase fluid mixture is provided. The apparatus includes a radiation device that generates a pulsed beam of photons to irradiate the fluid mixture spatially along a section of flow of the mixture. A controlling device is configured to apply a predetermined, time-dependent voltage to the radiation device during a single pulse of photons. A detection device is spatially configured for receiving photons emanating from the section of flow of the mixture at different points in time during the pulse of photons to form images of a spatial distribution of the received photons for each of points in time. An analysis device is configured for determining the flow rate of one or more phases of the mixture and/or the composition of the mixture based on a temporal sequence of the images of the spatial distribution of the received photons. | 04-03-2014 |
20140140474 | Dynamically Adjustable Filament Control through Firmware for Miniature X-Ray Source - An x-ray beam control system includes a feedback control loop circuit having a modulation circuit. The feedback control loop circuit generates a control signal. A x-ray tube, has a filament response profile of tube current versus filament temperature that is non-linear. A compensation circuit receives the control signal and modifies the control signal according to a compensating function that is matched to the filament response profile. The modulation circuit receives the modified control signal and generates a drive signal. The x-ray tube receives the drive signal at a filament thereof, and outputs a tube current signal having a linear response to the control signal. The feedback control loop circuit receives the tube current signal. | 05-22-2014 |
20140185752 | IMAGING SYSTEM - An imaging system used for material discrimination of an objet is provided. The imaging system includes an X-ray source and an imaging sensor. The X-ray source generates multienergy polychromatic X-ray, wherein there is an integral-multiple relationship between the multi-energy-band of the X-ray. The object is placed between the X-ray source and the imaging sensor. The X-ray is transmitted toward and imaged by the imaging sensor through the object. An imaging multi-energy-band of the imaging sensor corresponds to the multi-energy-band of the X-ray. | 07-03-2014 |
20140198899 | DUAL ENERGY IMAGING SYSTEM - An inspection system that makes dual energy measurements with a detector array that has selective placement of filter elements adjacent a subset of detectors in the array to provide at least two subsets of detector elements sensitive to X-rays of different energies. Dual energy measurements may be made on objects of interest within an item under inspection by forming a volumetric image using measurements from detectors in a first of the subsets and synthetic readings computed from measurements made with detectors in the array, including those that are filtered. The volumetric image may be used to identify the objects of interest to and source points that, for each object of interest, provide a low interference path to one of the detectors in the second of the subsets. Measurements made with radiation emanating from those source points are used for dual energy analysis of the objects of interest. | 07-17-2014 |
20140211915 | METHOD FOR ESTIMATING BREAKING ENERGY AND RUBBER COMPOSITION - The present invention provides a method for estimating breaking energy of a rubber material, in particular breaking energy of a surface of a rubber material. The present invention also provides to a rubber composition excellent in crack resistance. The present invention relates to a method for estimating breaking energy of a rubber material, including determining a carbon-carbon double bond content in the rubber material. | 07-31-2014 |
20140219419 | OBJECT MONITORING USING MULTI SPECTRAL RADIATION - A method for monitoring objects for example for facilitating the identification and/or authentication of objects comprises: in a first recording phase: irradiating an object with a suitable source of radiation, collecting intensity information about radiation emergent from the object, resolving the intensity information spectroscopically between at least two energy bands, and storing the resultant dataset as a reference dataset; and in a second verification phase: irradiating an object with a suitable source of radiation, collecting intensity information about radiation emergent from the object, resolving the intensity information spectroscopically between at least two energy bands, and using the resultant dataset as a test dataset; identifying the object and retrieving its corresponding reference dataset; comparing the test dataset and the reference dataset within predetermined tolerance limits, and: in the event that the reference dataset and the test dataset correspond within the predetermined tolerance limits, treating the object as verified or in the event that the reference dataset and the test dataset differ by more than the predetermined tolerance limits, in a third identification phase: numerically processing the resolved intensity information from the test dataset to derive therefrom a dataset of information characteristic of the composition of the object, and using this information to identify the composition of the object. | 08-07-2014 |
20140270064 | X-RAY IMAGING APPARATUS AND CONTROL METHOD FOR THE SAME - The X-ray imaging apparatus to form a phase contrast image includes an X-ray source that generates X-rays to emit the X-rays to an object; an X-ray detector configured to detect X-rays having passed through the object to acquire phase contrast image signals on a per energy band basis; and a quantitative data acquirer configured to calculate approximate quantitative data of two or more constituent substances of the object using a relation between the phase contrast image signals on the per energy band basis and quantitative data of the constituent substances, and estimate quantitative data of the constituent substances by iteratively applying a regularization function to the approximate quantitative data. | 09-18-2014 |
20140314201 | METHODS AND APPARATUSES FOR MEASURING EFFECTIVE ATOMIC NUMBER OF AN OBJECT - Methods and apparatuses for measuring an effective atomic number of an object are disclosed. The apparatus includes: a ray source configured to product a first X-ray beam having a first energy and a second X-ray beam having a second energy; a Cherenkov detector configured to receive the first X-ray beam and the second X-ray beam that pass through an object under detection, and to generate a first detection value and a second detection value; and a data processing device configured to obtain an effective atomic number of the object based on the first detection value and the second detection value. The Cherenkov detector can eliminate disturbance of X-rays below certain energy threshold with respect to the object identification, and thus accuracy can be improved for object identification. | 10-23-2014 |
20140341340 | Method and System for Extracting Spectroscopic Information from Images and Waveforms - The application discloses systems and methods for determining an atomic number of a material being scanned by generating a predetermined number of transmission data samples, determining a variance of the transmission data samples, and determining the atomic number of the material being scanned by comparing the variance or a derivative of the variance of the transmission data samples to one or more predetermined variances. The application also discloses systems and methods for determining an atomic number of a material being scanned by deriving transmission signal samples of the material being scanned, determining a variance of the signal samples, and determining an atomic number of the material being scanned by comparing the variance of the signal samples, or a derivative of the variance, to one or more predetermined variances. | 11-20-2014 |
20140341341 | High-Energy X-Ray-Spectroscopy-Based Inspection System and Methods to Determine the Atomic Number of Materials - The application discloses systems and methods for X-ray scanning for identifying material composition of an object being scanned. The system includes at least one X-ray source for projecting an X-ray beam on the object, where at least a portion of the projected X-ray beam is transmitted through the object, and an array of detectors for measuring energy spectra of the transmitted X-rays. The measured energy spectra are used to determine atomic number of the object for identifying the material composition of the object. The X-ray scanning system may also have an array of collimated high energy backscattered X-ray detectors for measuring the energy spectrum of X-rays scattered by the object at an angle greater than 90 degrees, where the measured energy spectrum is used in conjunction with the transmission energy spectrum to determine atomic numbers of the object for identifying the material composition of the object. | 11-20-2014 |
20140341342 | EQUIPMENT FOR THE RADIOGRAPHY OF A LOAD FOR PERFORMING DETECTION, AND ASSOCIATED METHOD - The invention relates to equipment ( | 11-20-2014 |
20140355737 | Apparatus and Method for Fluid Phase Fraction Determination Using X-Rays - An apparatus for determining fluid phase fraction of a multiphase fluid mixture ( | 12-04-2014 |
20150010127 | X-RAY DEVICE, METHOD, MANUFACTURING METHOD FOR STRUCTURE, PROGRAM, AND RECORDING MEDIUM ON WHICH PROGRAM IS RECORDED - There is provided an X-ray device irradiating a measuring object with X-ray and detecting transmission X-ray transmitted through the measuring object, the X-ray device including: a first information generation portion configured to generate first information in which a value according to an absorption coefficient is allocated to each of a plurality of divided sections into which there is divided a predetermined space including at least part of the measuring object; a frequency generation portion configured to generate frequency information of the allocated value to indicate a number of the divided sections according to magnitude of the allocated value in the first information; a ratio acquirement portion configured to acquire ratio information indicating a ratio between a first substance and a second substance constituting the measuring object; and a second information generation portion configured to change the first information into second information, by using the frequency information and the ratio information. | 01-08-2015 |
20150078518 | SYSTEM AND METHOD FOR COUNTERFEIT IC DETECTION - A method for counterfeit IC detection includes: providing a computer, an optical and an X-ray imager; optically imaging a package of one or more ICs; pattern matching the package image to identify an IC type; selecting one or more reference images from a reference library; X-ray imaging one or more ICs; performing in any order: comparing an internal lead frame structure of the one or more ICs to images from the reference library to determine a first numerical indicator; and determining a composition of the lead frame of the one or more ICs and to a corresponding composition from the reference library to determine a second numerical indicator; calculating an indication of authenticity based on the first numerical indicator and the second numerical indicator; and accepting or rejecting the one or more ICs based on the indication of authenticity. A system for counterfeit IC detection is also described. | 03-19-2015 |
20150300967 | IDENTIFICATION OF MATERIALS FROM A HYDROGEN TO ELECTRON RATIO - A method of examination of an object comprising the steps of: applying a Nuclear Magnetic Resonance technique to obtain a data item correlated to the relative nuclear susceptibility within the sample; obtaining a further data item correlated to another measure of the object under examination; determining therefrom a ratio. | 10-22-2015 |
20150323475 | METHOD AND APPARATUS FOR MEASUREMENT OF CONCENTRATION OF A SPECIFIC ANALYTE IN A BIOLOGICAL MATERIAL - A method and apparatus for determining the concentration of a specific analyte in a sample of biological material are disclosed. The sample is placed in a sample container ( | 11-12-2015 |
20150366520 | Patient Support Pads for Use in Detecting Lymphedema Through X-Ray Scans - A system for detecting lymphedema comprising a dual energy x-ray absorptiometry system and one or more spacer pads disposed with a field of view of the dual energy x-ray absorptiometry system. The dual energy x-ray absorptiometry system comprising an x-ray source and a patient support platform, wherein the patient support platform is configured to receive a patient in a supine position with the x-ray source disposed above the patient support platform. The one or more spacer pads configured to be positioned body parts of the patient. | 12-24-2015 |
20150369758 | METHODS AND APPARATUS FOR DETERMINING INFORMATION REGARDING CHEMICAL COMPOSITION USING X-RAY RADIATION - According to some aspects, a method is provided comprising generating first monochromatic x-ray radiation at a first energy, directing at least some of the first monochromatic x-ray radiation to irradiate subject matter of interest, detecting at least some of the first monochromatic x-ray radiation transmitted through the subject matter of interest, and determining information about a chemical composition of the subject matter of interest based, at least in part, on the detected first monochromatic x-ray radiation and the first energy. | 12-24-2015 |
20160047758 | NOVEL MATERIALS USEFUL FOR RADIOGRAPHIC IMAGING OF CONSTRUCTION MATERIALS AND METHODS USING SAME - The invention includes compositions that are useful for improving contrast in radiographic images. In certain embodiments, the compositions of the invention may be used in cementitious materials, thus allowing the analysis of grouts located around tendons and tendon anchorage regions around steel post-tensioning strands. The invention further includes methods of performing radiographic inspection using the compositions of the invention. | 02-18-2016 |
20160061709 | DETECTION SYSTEM FOR DETERMINING FILTERING EFFECTIVENESS OF AIRBORNE MOLECULAR CONTAMINATION - A novel filter effectiveness detection method for AMCs (Airborne Molecular Contaminations) is provided herein, which is on-line, economical and applicable for diverse AMCs, using gas-to-particle conversion with soft X-ray irradiation radiation. In one embodiment, this method was conducted through AMC filter evaluations comparing two granular activated carbons (GACs), which are widely used AMC filter media, challenged with sulfur dioxide (SO | 03-03-2016 |
20160077024 | METHOD OF MEASURING CROSSLINK DENSITIES IN SULFUR-CONTAINING POLYMER COMPOSITE MATERIAL - Provided is an evaluation method that provides detailed information on the crosslink densities in sulfur-containing polymer composite materials. The present invention relates to a method of measuring crosslink densities in a sulfur-containing polymer composite material, the method including: a measurement step of irradiating the sulfur-containing polymer composite material with high intensity X-rays and measuring an X-ray absorption spectrum of the composite material while varying the energy of the X-rays; a visualization step of determining the three-dimensional structure of sulfur atoms in the sulfur-containing polymer composite material by the reverse Monte Carlo method from the X-ray absorption spectrum; and a calculation step of calculating, from the three-dimensional structure of sulfur atoms, a crosslink density for each number of sulfur atoms bonded. | 03-17-2016 |
20160081360 | MEAT PROCESSING DEVICE INCORPORATING AN X-RAY ANALYZER - A meat processing device comprises a meat processing unit and an external X-ray meat analyser provided with a housing formed with an inlet connectable with an outlet of the processing unit. The housing provides complete shielding of personnel from X-rays except towards the inlet and is movable relative to the processing unit to a first position for analysis at which the unit outlet is collocated with the inlet and at which the processing unit completes the shielding of personnel from X-rays towards the inlet. | 03-24-2016 |
20160084972 | X-Ray Detector Apparatus - An x-ray detector apparatus includes at least one x-ray detector ( | 03-24-2016 |
20160131793 | System and Method For Wellsite Core Sample Analysis - A method and system for analyzing a core sample from a wellbore, where the analysis takes place in the field and proximate the wellbore. The system includes trailers adjacent one another and on a drilling pad, so that real time analysis of the core sample can occur after being extracted from the wellbore. One of the trailers can include a unit for scanning the core sample and obtaining information within the sample. Other trailers can include units that further analyze the core, such as by grinding, laser spectroscopy, Raman spectroscopy, and scanning the core material nano-structure. The core sample scanning involves a computerized tomography (CT) scan, where a length of core is analyzed in the scanning unit. | 05-12-2016 |
20170234812 | METHODS FOR RADIOGRAPHIC AND CT INSPECTION OF ADDITIVELY MANUFACTURED WORKPIECES | 08-17-2017 |
20190145917 | X-RAY TRANSMISSION SPECTROMETER SYSTEM | 05-16-2019 |