Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8160206 | Dual-energy imaging at reduced sample rates The present disclosure relates to the generation of dual-energy X-ray data using a data sampling rate comparable to the rate utilized for single-energy imaging. In accordance with the present technique a reduced kVp switching rate is employed compared to conventiona... | 04/17/2012 |
| 8050385 | Event sharing restoration for photon counting detectors Photon counting detectors may suffer from pulse sharing effects and fluorescence photon generation, which may lead to a degradation of the measured signals. According to an exemplary embodiment of the present invention, a detector unit is provided which is adapted f... | 11/01/2011 |
| 8019044 | Image acquisition for dual energy imaging Acquisition techniques for dual energy (DE) chest imaging system. Technique factors include the added x-ray filtration, kVp pair, and the allocation of dose between low- and high-energy projections, with total dose equal to or less than that of a conventional chest ... | 09/13/2011 |
| 7953207 | Radiation conversion panel and method of capturing radiation image therewith A radiation conversion panel includes a first pixel group from which electric charges are read after a first energy-level image capturing cycle and after a second energy-level image capturing cycle, and a second pixel group from which electric charges are read after... | 05/31/2011 |
| 7940893 | Method for distinguishing between four materials in tomographic records of a dual-energy CT system A method and a CT system are disclosed having a computation unit for distinguishing between four materials (M1, M2, M3, M4) in tomographic records of a dual-energy CT system, wherein the size of a two-dimensional or three-... | 05/10/2011 |
| 7894576 | Spectral computed tomography using correlated photon number and energy measurements A computed tomography system includes a plurality of radiation sensitive detector elements (100) which generate a time varying signal indicative of x-ray photons received by the various detector elements (100). Photon counters (24) count the pho... | 02/22/2011 |
| 7801275 | Imaging system A medical imaging system is provided. The medical imaging system includes an imaging device with a radiation source and a detector, a control unit; and a processing unit. The processing unit is operable to compare a stored reference image taken using a high radiatio... | 09/21/2010 |
| 7724875 | Image guided acquisition of quantitative dual energy data A technique for establishing texture metrics and bone mineral density (BMD) within an anatomical region of interest. A digital imaging system is used to acquire a standard digital X-ray image with a wide field of view. The standard digital X-ray image is used to gui... | 05/25/2010 |
| 7702075 | Energy spectrum modulation apparatus, material discrimination method and device, image processing method Disclosed are an energy spectrum modulation apparatus, a material discrimination method and a device thereof, as well as an image processing method are disclosed, which can discriminate the material in large- and medium-sized objects such as cargo containers, air ca... | 04/20/2010 |
| 7646851 | Device and method for generating X-rays having different energy levels and material discrimination system Disclosed is a device and method for generating X-rays having different energy levels as well as a material discrimination system thereof. The method comprises the steps of: generating a first pulse voltage, a second pulse voltage, a third pulse voltage and a fourth... | 01/12/2010 |
| 7634061 | High resolution imaging system New sensors, pixel detectors and different embodiments of multi-channel integrated circuit are disclosed. The new high energy and spatial resolution sensors use solid state detectors. Each channel or pixel of the readout chip employs low noise preamplifier at its in... | 12/15/2009 |
| 7606349 | Selective generation of radiation at multiple energy levels A system may comprise a cathode, a target, one or more switches, and a conductive element. The cathode may be configured and arranged to generate an electron beam, and the target may be configured and arranged to emit radiation when electrons in the electron beam im... | 10/20/2009 |
| 7489762 | Method for recording projection images In a method for performing recordings for dual absorptiometry, a high-energy radiation pulse is performed before a low-energy radiation pulse. Furthermore the high-energy radiation pulse is arranged at the end of an assigned radiation window of the detector. This te... | 02/10/2009 |
| 7477727 | Digital X-ray image detector array A method and apparatus for generating a digital X-ray image is disclosed. The method comprises starting an exposure period wherein an array of X-ray receptors are exposed to X-ray radiation, varying the energy of the X-ray radiation during the exposure period and ge... | 01/13/2009 |
| 7453987 | Method and system for high energy, low radiation power X-ray imaging of the contents of a target The systems and methods described herein automatically detect, highlight and identify high-Z materials in volume concentrations of approximately 100 cm3 or greater utilizing single and/or dual energy sources with x-ray and neutron detectors. The methods a... | 11/18/2008 |
| 7443954 | X-ray machine An X-ray machine includes a radiation source and an image intensifier. A digital camera is downstream of the image intensifier and includes a pixel matrix, wherein the pixel matrix is switchable between a high and a low resolution. The image intensifier displays on ... | 10/28/2008 |
| 7412031 | Radiation imaging apparatus, radiation imaging system and radiation imaging method A computer-readable medium is encoded with a computer program for operating a computer to control a radiation detector and a display apparatus. The computer is operated to derive a processed image by subtraction processing of a first image derived by a first energy ... | 08/12/2008 |
| 7388208 | Dual energy x-ray detector A dual-energy x-ray detector includes a plurality of x-ray detector elements that detect x-rays that are generated by an x-ray source and that have passed through an object. Each of the x-ray detector elements includes a first scintillator layer adapted to convert x... | 06/17/2008 |
| 7386093 | Method and an apparatus for liquid safety-detection with a radiation source A method and an apparatus for liquid safety-detection with a radiation source relate to a radiation detecting technology. The main steps of the method of the invention are: conveying an article to be detected into an operation zone within a radiation shield; allowin... | 06/10/2008 |
| 7381963 | Radiation imaging apparatus, radiation imaging system, and program It is made possible that, in accordance with a plurality of radiographing modes such as the still image radiographing mode and the moving image radiographing mode, the outputs both in the irradiation period and in the non-irradiation period are made to fall within t... | 06/03/2008 |
| 7372943 | Method for recording projection image In recording projection images for dual absorptiometry, the optical thickness of an object being examined is determined on the basis of a projection image recorded in a high-energy range, and parameters for recording a projection image in the low-energy range are se... | 05/13/2008 |
| 7372017 | Method for equalizing a butting structure and x-ray system A plurality of plates is bonded together by butting in order to manufacture a flat-plate x-ray detector. The butting determines artifacts in x-ray images taken with the flat-plate x-ray detector. According to the invention the butting structure is first measured in ... | 05/13/2008 |
| 7372934 | Method for performing image reconstruction using hybrid computed tomography detectors A method for acquiring an image data set comprising energy integrating (EI) and energy discriminating (ED) data measurements is provided. The method comprises obtaining EI measurement data and ED measurement data during an acquisition cycle. The method then comprise... | 05/13/2008 |
| 7365337 | Radiographic image detection device and radiographic imaging system A radiographic imaging system includes: a plurality of states of operation, a radiographic image detection device that detects irradiated radiation to obtain radiographic image information, a console capable of communicating with the radiographic image detection dev... | 04/29/2008 |
| 7358502 | Devices, systems, and methods for imaging Certain exemplary embodiments comprise a system, which can comprise an imaging plate. The imaging plate can be exposable by an x-ray source. The imaging plate can be configured to be used in digital radiographic imaging. The imaging plate can comprise a phosphor-bas... | 04/15/2008 |
| 7354197 | Imaging inspection apparatus with improved cooling An imaging inspection apparatus which utilizes a plurality of individual imaging devices (e.g., X-ray Computer Tomography scanning devices) positioned on a frame for directing beams onto articles having objects therein to detect the objects based on established crit... | 04/08/2008 |
| 7342999 | Method and apparatus for generation of a digital x-ray image of an examination subject In a method and apparatus for generation of a digital x-ray image of an examination subject with an x-ray tube and a digital x-ray detector, a preliminary total dose required for correct exposure is determined using prior knowledge and a complete pre-image of the ex... | 03/11/2008 |
| 7343000 | Imaging apparatus and imaging system An X-ray image radiographing system according to the present invention comprises an X-ray generator, a detection unit, a correction unit for performing a correction processing for the data outputted from the detection unit, and an output unit such as a monitor for o... | 03/11/2008 |
| 7343030 | Dynamic tumor treatment system A workstation imports medical images that depict a tumor and provides tools that enable a physician to see the results of prior therapies, plan future therapies, predict the outcome of future therapies and control future therapies. The workstation processes the impo... | 03/11/2008 |
| 7342233 | Method and arrangement relating to x-ray imaging An X-ray apparatus is provided for acquisition of images containing spectral information. An X-ray source and a collimator having multiple slits are operable together with a set of line detectors, the line detectors including linear arrays of photon counting channel... | 03/11/2008 |
| 7330531 | System for quantitative radiographic imaging A system for spectroscopic imaging of bodily tissue in which a scintillation screen and a charged coupled device (CCD) are used to accurately image selected tissue. Applications include the imaging of radionuclide distributions within the human body or the use of a ... | 02/12/2008 |
| 7330532 | Dual energy imaging using optically coupled digital radiography system This invention relates to an optically coupled digital radiography method and apparatus for simultaneously obtaining two distinct images of the same subject, each of which represents a different x-ray energy spectrum. The two images may be combined in various ways s... | 02/12/2008 |
| 7326939 | Method and device for quality controlling packets A method and device for quality controlling packets of cigarettes, whereby, as a packet is fed, in use, through a quality control station, an optical detecting unit acquires data relative to given portions of the packet, which portions are coated with material optic... | 02/05/2008 |
| 7324625 | Contraband detection systems using a large-angle cone beam CT system A contraband detection system using a cone beam computed tomography scanner. The cone beam scanner allows for rapid acquisition of data for computing three dimensional density maps of objects within items under inspection. Where greater resolution is desired, the im... | 01/29/2008 |
| 7315604 | Method for an x-ray device and computer tomograph for reducing beam hardening artifacts from a generated image of an object A method is disclosed for an x-ray device and a computer tomograph for suppressing beam hardening artifacts in a generated image of an object, for example in a tomogram of a patient. In the method, N measured values are acquired relating to N different energy ranges... | 01/01/2008 |
| 7313221 | Radiographic equipment The invention concerns radiographic equipment. The equipment includes a source of substantially mono-energetic fast neutrons produced via the deuterium-tritium or deuterium-deuterium fusion reactions, comprising a sealed-tube or similar generator for producing the n... | 12/25/2007 |
| 7298820 | Portal imaging using modulated treatment beam A radiation therapy system produces a treatment beam that is detected by an electronic portal imaging device (EPID) after it passes through the subject being treated. A chopper wheel modulates low energy components of the beam while leaving the higher energy compone... | 11/20/2007 |
| 7295691 | Computer aided diagnosis of an image set A method, system, and storage medium for computer aided processing of an image set includes employing a data source, the data source including an image set acquired from X-ray projection imaging, x-ray computed tomography, or x-ray tomosynthesis, defining a region o... | 11/13/2007 |
| 7289924 | Self-calibrating sensor A method for self-calibrating a sensor can be implemented in a system having a calibration circuit. The calibration circuit has differential circuitry which compares an output signal of the sensor with a predetermined reference signal associated with a reference pro... | 10/30/2007 |
| 7286640 | Dual-band detector system for x-ray imaging of biological samples A digital dual-band detector functions as an imaging platform capable of extracting hard and soft tissue images, for example. The detector has a first detector system comprising a first scintillator for converting x-rays from a sample to an first optical signal, and... | 10/23/2007 |
