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| Number | Title | Issue Date |
| 8183529 | Method for three-dimensional presentation of a moved structure using a tomographic method The invention relates to a method for three-dimensional presentation of a moved structure using a tomographic method, in which a plurality of projection images are recorded from different imaging angles between a start angle with a start node point and an end angle ... | 05/22/2012 |
| 8039804 | Method for evaluating an image dataset acquired by a radiation-based image acquisition device The invention relates to a method for evaluating an image dataset obtained by a radiation-based image acquisition device. A scatter background dataset is determined as a function of the image data. The image dataset is corrected pixel by pixel by multiplying the ima... | 10/18/2011 |
| 7667203 | Gamma vector camera A gamma vector camera is described for detecting and determining the energy spectrum of a gamma ray source and the direction to the gamma ray source. The gamma vector camera includes a detection system that records a track of a recoil electron produced by a Compton-... | 02/23/2010 |
| 7569826 | Adjustable collimators method and system Embodiments relate to collimator assemblies having one or more apertures therein. At least one of the one or more apertures has an aperture size that is configured for adjustment during an examination. The collimator assembly is configured so that gamma rays can pas... | 08/04/2009 |
| 7408163 | Methods and systems for medical imaging Methods and systems for imaging a patient using an imaging system is provided. The method includes rotating a detector assembly about an examination axis of the imaging system, maintaining a first detector of the detector assembly at a first distance from the patien... | 08/05/2008 |
| 7388206 | Pulse shape discrimination method and apparatus for high-sensitivity radioisotope identification with an integrated neutron-gamma radiation detector A method and apparatus for discriminating the types of radiation interacting with an integrated radiation detector having of a pulse-mode operating photosensor which is optically coupled to a gamma-ray scintillator sensor and a neutron scintillator sensor and uses a... | 06/17/2008 |
| 7378660 | Computer program, method, and system for hybrid CT attenuation correction Embodiments of the present invention provide a computer program, method, and system to facilitate hybrid CT attenuation correction. In one embodiment, the method generally includes acquiring data from a scanner, utilizing an ordered subset expectation maximization-b... | 05/27/2008 |
| 7372041 | Neutron detectors and related methods The present invention relates generally to neutron detecting scintillators and related methods and devices. A neutron detecting scintillator includes a plurality of microcapillary tubes loaded with a scintillator composition comprising a plastic scintillator and a n... | 05/13/2008 |
| 7368717 | Density detection using real time discrete photon counting for fast moving targets A system for detecting and graphically displaying a contents of a fast-moving target object comprises: a radiation source, having a position such that at least a portion of radiation emitted from the radiation source passes through the fast-moving target object, the... | 05/06/2008 |
| 7365332 | Density detection using real time discrete photon counting for fast moving targets A system for detecting and graphically displaying a contents of a fast-moving target object comprises: a radiation source, having a position such that at least a portion of radiation emitted from the radiation source passes through the fast-moving target object, the... | 04/29/2008 |
| 7361901 | Scintillator detector fabrication The present invention provides methods for selectively forming a scintillator layer on a substrate as well as related devices. The method includes positioning an electrostatic dissipative organic resin layer on a first portion of a substrate surface, and depositing ... | 04/22/2008 |
| 7349517 | System for measuring burn-out of fuel elements of a high-temperature reactor The burnout of a fuel element in a reactor is determined by first transferring a fuel element from a reactor to a measuring position and then subjecting the transferred fuel element at the position to a neutron flux. A first detector measures the total γ radiation ... | 03/25/2008 |
| 7342242 | Method and apparatus for estimating photomultiplier sensitivity change A method and apparatus for estimating photmultiplier sensitivity change is provided, which is capable of properly and easily estimating the sensitivity change in a photomultiplier used in a radiation image reading unit constructed to read out a radiation image using... | 03/11/2008 |
| 7335889 | PMT-based pattern matching calibration for gamma camera using non-uniform pinhole aperture grid mask Point source responses of pinhole apertures in a non-uniform grid mask used to spatially calibrate a gamma camera can be modeled as a two-dimensional Gaussian model function. Pinhole data from each pinhole location are added together to generate a complete Gaussian ... | 02/26/2008 |
| 7335887 | System and method for target inspection using discrete photon counting and neutron detection Described herein is system for the inspection of a target object. The system may include a gamma radiation source, a gamma detector and an image processor coupled to the gamma detector. When the inspection system is operating in a first active mode for imaging a tar... | 02/26/2008 |
| 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 |
| 7324624 | Shifted transmission mock for nuclear medical imaging Emission contamination data are collected in a shifted mock scan simultaneous with the collection of transmission data during a transmission scan of a patient with a collimated gamma point source, the transmission data are corrected with the emission contamination d... | 01/29/2008 |
| 7321123 | Method and apparatus for radiation detection in a high temperature environment A radiation detector operating at high temperatures is shown comprising a LuAP scintillating material for producing light when excited by incident radiation, a photocathode, and an electron multiplier. The photocathode is deposited directly onto the surface of the s... | 01/22/2008 |
| 7312457 | Spectrometer with charge-carrier-trapping correction A spectrometer having improved energy resolution by correcting for error introduced by charge carrier trapping. By monitoring the shape of the pulses produced by the detector, a digital filter is adjusted to improve the energy resolution. The adjustment is performed... | 12/25/2007 |
| 7279683 | Distance measurement apparatus of gamma ray source using multilayered ray detector Rays incident upon a plurality of detection plates arranged along a normal direction are detected. A distance between the ray and the ray source is estimated based on the number of counted rays detected by each detection plate, and each interval distance of the dete... | 10/09/2007 |
| 7277521 | Detecting special nuclear materials in containers using high-energy gamma rays emitted by fission products A method and a system for detecting the presence of special nuclear materials in a container. The system and its method include irradiating the container with an energetic beam, so as to induce a fission in the special nuclear materials, detecting the gamma rays tha... | 10/02/2007 |
| 7274020 | Gamma vector camera A gamma vector camera detects and determines the energy and the direction of an incident gamma ray. The gamma vector camera includes a detector that produces scintillation light upon interaction with the incident gamma ray. A sensor records the locations and the int... | 09/25/2007 |
| 7274023 | Gamma-radiation detector module for portal applications The gamma-radiation module includes a housing having a box-like container and a cover for hermetically sealing a pair of cylinders within the housing. Each cylinder includes scintillation material and a photomultiplier tube on a common cylindrical axis. The hermetic... | 09/25/2007 |
| 7262417 | Method and system for improved image reconstruction and data collection for compton cameras Systems and methods are described for image reconstruction. A set of conical integrals are calculated to satisfy a completeness condition and are related to a distribution of radioactivity. ... | 08/28/2007 |
| 7247855 | Portable nuclear detector A portable nuclear material detector generally includes a scintillating fiber radiation sensor, a light detector, a conditioning circuit, a frequency shift keying (FSK) circuit, a fast Fourier transform (FFT) circuit, an electronic controller, an amplitude spectral ... | 07/24/2007 |
| 7247853 | Instrumentation package and integrated radiation detector An instrumentation package in broad terms includes at least one substantially cylindrical instrumentation component; a substantially cylindrical shield surrounding the instrumentation component, the shield having a diameter less than a standard predetermined diamete... | 07/24/2007 |
| 7247854 | Limiting device for electromagnetic radiation, notably in an analysis device A limiting device (9) for electromagnetic radiation (3; 5; 7) includes an essentially flat beam cross-section limiter (10) which partly or completely encloses at least one passage aperture (12; 13) for beams (5; 7) and is construct... | 07/24/2007 |
| 7232990 | Peak detection calibration for gamma camera using non-uniform pinhole aperture grid mask Point source responses of pinhole apertures in a non-uniform grid mask used to spatially calibrate a gamma camera can be modeled as a two-dimensional Gaussian function with a set of seven parameters. The Gaussian parameters can be measured using a surface-fitting al... | 06/19/2007 |
| 7227149 | Method and system for positron emission tomography image reconstruction Methods and systems for controlling a positron emission tomography (PET) system are provided. The method includes receiving timing information from a PET system during an imaging scan using the PET system. The method further includes processing the received timing i... | 06/05/2007 |
| 7208739 | Method and apparatus for correction of pileup and charge sharing in x-ray images with energy resolution A method for correcting at least one of pileup effects or charge sharing effects in multi-cell photon counting detectors includes determining a correction coefficient using a count rate of an entire spectrum and applying the determined correction to the counts recor... | 04/24/2007 |
| 7203283 | X-ray tube of the end window type, and an X-ray fluorescence analyzer In an x-ray tube comprising a housing, which define an enclosure, a cathode arrangement, which emits electrons within the enclosure, and a window, which seals an end of the enclosure, the window comprises a carrier layer and, on a side of the carrier layer that face... | 04/10/2007 |
| 7197404 | Computation of radiating particle and wave distributions using a generalized discrete field constructed from representative ray sets The present system and method for simulating particles and waves is useful for calculations involving nuclear and full spectrum radiation transport, quantum particle transport, plasma transport and charged particle transport. The invention provides a mechanism for c... | 03/27/2007 |
| 7186963 | Environment radiation detector having a visual image capturing device A method of obtaining information about radiation arising from within an environment includes providing a directionally sensitive radiation detector which has a field of view and providing a visual image capturing device which has an area of vision. The radiation fo... | 03/06/2007 |
| 7170061 | Ruggedized scintillation detector with low energy detection capabilities A radiation detector includes a housing, a crystal and a photomultiplier tube supported in the housing. A plurality of elongated, flat plastic or ceramic springs are located radially between the crystal and photomultiplier tube and the housing, and at least one addi... | 01/30/2007 |
| 7169481 | Radiation image conversion panel and manufacturing method therefor A radiation image conversion panel that has a phosphor layer. The phosphor layer contains a binding agent, a phosphor particle, and at least aryl carboxylic acid or alicyclic carboxylic acid, expressed by the following general Formula: R—R1—... | 01/30/2007 |
| 7166848 | Three dimensional radiation detector A pixelated detector assembly comprising a stack of thin detector crystals, each detector crystal having a pair of planar surfaces bound by edges substantially thinner than the dimensions of the surfaces. The stack is disposed such that the radiation to be detected ... | 01/23/2007 |
| 7166846 | Multi-pinhole collimation for nuclear medical imaging A multi-pinhole collimator nuclear medical imaging detector divides a target object space into many non-overlapping areas and projects a minified image of each area onto a segmented detector, where each segment functions as an independent detector or imaging cell. S... | 01/23/2007 |
| 7145985 | Sensor arrangement and method for digital scanning imaging The invention relates to digital scanning imaging by electromagnetic radiation. To reduce the difference between the resolutions in, the scanning direction and the direction perpendicular thereto, pixels (P1, P2, P3, P4, P5, P6 | 12/05/2006 |
| 7145153 | Method of obtaining a tomographic image A method of obtaining a tomographic image of part of an animal or a part of an animal including a human being or a part of a human being by using radioactive radiation is disclosed. The animal is at least partly placed into a measuring cavity having an axial axis. T... | 12/05/2006 |
| 7141787 | Detector for a co-axial bipolar time-of-flight mass spectrometer A detector for a coaxial bipolar time-of-flight mass spectrometer is described. The detector includes a microchannel plate, a scintillator disposed in parallel relation to said microchannel plate, and a mirror oriented at an angle relative to said scintillator. The ... | 11/28/2006 |
