Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 8188439 | Gamma ray detector elements with variable light guide thickness A gamma ray detector module that includes at least one crystal element arranged in a plane, a plurality of light sensors arranged to cover the at least one crystal element and to receive light emitted from the at least one crystal element, and a light guide arranged... | 05/29/2012 |
| 8173967 | Radiation detectors and related methods A method includes detecting a neutron based on a time proximity of a first signal and a second signal. The first signal indicates detection of at least one of a neutron and a gamma ray. The second signal indicates detection of a gamma ray. The method further include... | 05/08/2012 |
| 8063377 | Crystal identification for high resolution nuclear imaging A detector for a nuclear imaging system includes a scintillator including an array of scintillator elements and a light guide including a grid which defines light guide elements. Light from scintillations in the scintillation crystal in response to received radiatio... | 11/22/2011 |
| 7977642 | Imaging apparatus An imaging apparatus for x-rays includes a scintillator, overlying an array of imaging pixels on a substrate, and at least one trigger pixel array externally peripheral to the array of imaging pixels on the substrate such that the trigger pixel array is not substant... | 07/12/2011 |
| 7932499 | Radiation detector and method for producing the same Disclosed is a multi-channel array radiation detector that can provide high-definition and high-resolution CT photo-images. The radiation detector has semiconductor photo-detecting elements arranged lengthwise and breadth-wise in a lattice manner and scintillator el... | 04/26/2011 |
| 7554089 | Systems and methods to localize optical emission in radiation detectors A method for localizing optical emission is disclosed. The method involves identifying a first readout channel of a first pixellated photodetector array based on an impact of a first photon on the first pixellated photodetector array. The first photon is emitted by ... | 06/30/2009 |
| 7495222 | Signal polarity inverting multiplexing circuits for nuclear medical detectors A system for multiplexing photodetector signals from a scintillation detector. The system includes a detector module having a number of scintillator blocks, each scintillator block having a number of photosensors, and a number of multiplexing circuits. Each multiple... | 02/24/2009 |
| 7482593 | Method to determine the depth-of-interaction function for PET detectors A three-dimensional PET detector of a type having a scintillation crystal and first and second photosensitive detectors arranged one at each opposite end face of the crystal for detecting scintillation interactions within the crystal is calibrated to determine a dep... | 01/27/2009 |
| 7439515 | Pipeline processing of pulse pile-up correction in a nuclear medicine imaging system Correction of scintillation event data from a nuclear medicine imaging system for effects of pulse pile-up is carried out by separating event data packets into total energy and individual detector energy data packets, executing pile-up correction algorithms on each ... | 10/21/2008 |
| 7405406 | Two-sided scintillation detectors and related methods Radiation detection assemblies and related methods, including methods of making radiation detection assemblies and devices, as well as methods of performing radiation detection. A radiation detection assembly includes a radiation detector comprising a scintillator l... | 07/29/2008 |
| 7388201 | Radiation detector having coated nanostructure and method A radiation detector has an electron emitter that includes a coated nanostructure on a support. The nanostructure can include a plurality of nanoneedles. A nanoneedle is a shaft tapering from a base portion toward a tip portion. The tip portion has a diameter betwee... | 06/17/2008 |
| 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 |
| 7368721 | Imaging devices and methods employing masks with a non-uniform grid of pinhole apertures In some preferred embodiments, an apparatus is provided that facilitates correction, such as, e.g., linearity correction, in imaging devices, such as, e.g., scintillation cameras. In preferred embodiments, a mask is implemented that can produce images for locating t... | 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 |
| 7361902 | Radiation detector with a detection field comprising scintillators and photodiodes The invention relates to a radiation detector for detecting radiation impinging in a detection zone, having detector elements which are arranged in the form of a preferably two-dimensional array in rows and columns running orthogonally with respect to one another an... | 04/22/2008 |
| 7358500 | Radiation detection by dual-faced scintillation An imaging device comprising a scintillator and a first and second imaging elements. The scintillator emits scintillation light in response to an incident of an energy beam. The imaging elements take an image of the scintillation light. These imaging elements have i... | 04/15/2008 |
| 7342231 | Detection of coincident radiations in a single transducer by pulse shape analysis Pulse shape analysis determines if two radiations are in coincidence. A transducer is provided that, when it absorbs the first radiation produces an output pulse that is characterized by a shorter time constant and whose area is nominally proportional to the energy ... | 03/11/2008 |
| 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 |
| 7336765 | Portable system and method for non-intrusive radioscopic imaging Described herein is a portable, self-contained, electronic radioscopic imaging system that utilizes a multiple camera imager and advanced processing techniques to image suspicious containers. An X-ray sensor or imager utilizes a scintillating screen that produces fl... | 02/26/2008 |
| 7327824 | Radiation tomography apparatus and radiation tomography method thereof A method and apparatus for reducing the contrast of a tomographic image due to crosstalk and the occurrence of artifacts and improve the quality of the tomographic image. Detection data are subjected to fitting processing in such a manner that, of the data generated... | 02/05/2008 |
| 7323688 | Nuclear imaging system using rotating scintillation bar detectors with slat collimation and method for imaging using the same A gamma camera having a scintillation detector formed of multiple rotating bar detector modules arranged in a ring configuration, with synchronized spin motion of each module. Such a camera can be used for both PET (coincidence) and single photon imaging application... | 01/29/2008 |
| 7321122 | System for selecting true coincidence events in positron emission tomography Provided are new methods for enhancing the selection of true (T) annihilation events relative to the inclusion of true scattered (TS) and random (R) annihilation events in PET tomographs and thereby improving the sensitivity and/or resolution of PET scanners. The me... | 01/22/2008 |
| 7317195 | Quantitative transmission/emission detector system and methods of detecting concealed radiation sources Apparatus and methods for screening inanimate objects for detecting concealed radioactive substances. The apparatus and method use a combination of at least one gamma-emission detector and the generation of a transmission image to non-invasively evaluate the content... | 01/08/2008 |
| 7315027 | Radiation detection device, scintillator panel, method of making the same, making apparatus, and radiation image pick-up system There are provided a scintillator (130) comprising a structure in which a plurality of scintillator layers (131, 132, 135) having columnar crystal structures are stacked with, and a radiation detection device using the scintillator. There are also prov... | 01/01/2008 |
| 7310405 | High-Z cast reflector compositions and method of manufacture A scintillator pack comprises an array of scintillator pixels and an x-ray absorbing layer disposed in inter-scintillator regions between the scintillator pixels. The x-ray absorbing layer acts to absorb x-rays and protect underlying regions of the inter-scintillato... | 12/18/2007 |
| 7304307 | PMT signal correlation filter A method of generating a filter (40) for a nuclear medicine system (20) where the filter selects valid detected radiation events for image processing. A dataset (60) is provided that is indicative of a plurality of emitted radiation events occur... | 12/04/2007 |
| 7292750 | Signal processing system A signal processing system (10) has a plurality of optical fibers (40, 42, 43) with their one ends (40) mounted in an array board (41) to receive electromagnetic radiation. A coupler (54) interconnects the other ends of the optical... | 11/06/2007 |
| 7285783 | Multi-anode type photomultiplier tube and radiation detector A side tube includes a tube head, a funnel-shaped connection neck, and a tube main body, which are arranged along a tube axis and which are integrated together into the side tube. The size of a cross section of the tube head perpendicular to the tube axis is larger ... | 10/23/2007 |
| 7285786 | High-resolution scintillation screen for digital imaging The scintillating screen of digital imaging systems used in conventional transmission electron microscopy is discretized and the scintillating material is contained in a cellular structure having a geometry judiciously selected for coupling to the optical channels o... | 10/23/2007 |
| 7286867 | Combined PET/MRI scanner A combined PET/MRI scanner generally includes a magnet for producing a magnetic field suitable for magnetic resonance imaging, a radiofrequency (RF) coil disposed within the magnetic field produced by the magnet and a ring tomograph disposed within the magnetic fiel... | 10/23/2007 |
| 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 |
| 7276704 | Photomultiplier tube, photomultiplier tube unit, and radiation detector A photomultiplier tube, a photomultiplier tube unit, and a performance-improved radiation detector for increasing a fixing area of a side tube in a faceplate while increasing an effective sensitive area of the faceplate. In the photomultiplier tube, a side face (... | 10/02/2007 |
| 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 |
| 7270637 | Device for and method of measuring blood flow using bio-photon emission A device for and a method of measuring a blood flow of a living body having blood vessels that emit bio-photons and through which blood flows, the device including a detector positioned adjacent to a predetermined portion of the living body for measuring a bio-photo... | 09/18/2007 |
| 7265353 | Data acquisition, control, and spectral analysis software for multi-channel analyzers A system for detecting and identifying low-level (weak) radioactive sources moving past stationary detectors. The system, which can detect low-level sources moving at speeds of 30 m/s (about 70 mph), uses the differences between background counts and gamma counts fr... | 09/04/2007 |
| 7262416 | Gamma camera with dynamic threshold A method of locating an event with a gamma camera (12) of an emission computed tomography (ECT) scanner (10) is provided. The gamma camera (12) includes a matrix of sensors (22) situated to view the event. The sensors (22) have res... | 08/28/2007 |
| 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 |
| 7253416 | Radiation detector and detection method, and medical diagnostic apparatus employing same In a detector arrangement for a medical diagnosis apparatus as well as a medical imaging diagnostic method, radiation quanta striking a detector are detected and evaluated with spatial resolution. The use of collimators is thereby omitted, such that radiation quanta... | 08/07/2007 |
| 7244943 | X-ray image acquisition apparatus An X-ray image acquisition apparatus (15) includes a conversion panel (20) aligned with a photo detector array (40). The conversion panel (20) includes a plurality of conversion cells (22), each including a conversion body (31 | 07/17/2007 |
| 7242749 | Methods and systems for dynamic pitch helical scanning Methods and systems for controlling x-ray exposure during a dynamic pitch helical scan using a translatable table are provided. The system includes a collimator positioned between an x-ray source and an object to be scanned configured to shutter an x-ray fan beam ge... | 07/10/2007 |
