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| Number | Title | Issue Date |
| 8184887 | System and method for image reconstruction A tomographic imaging apparatus is provided for generating images. The tomographic apparatus includes a computer programmed to access a data sinogram representative of the image, reconstruct the image, divide the image into a plurality of sub-regions, define a regio... | 05/22/2012 |
| 8179432 | Predictive autofocusing A method of autofocusing includes capturing first, second and third images of a sample, at respective first, second and third sample distances and respective first, second and third lateral positions determined with respect to an objective; determining a quantitativ... | 05/15/2012 |
| 8160342 | System and method for processing data signals A signal processing method include steps initializing a residual data signal representative of an acquired data signal, determining a significant coefficient corresponding to the residual data signal, updating the residual data signal using the significant coefficie... | 04/17/2012 |
| 8160200 | Method and system for image data acquisition A technique for acquiring desired image data in an imaging system comprising at least one radiation source and a detector is described. Initially, preliminary image data corresponding to an object may be acquired. Further, at least one parameter associated with the ... | 04/17/2012 |
| 8155263 | Apparatus and method for voltage modulation in X-ray computed tomography The present invention discloses a computed tomography imager comprising: an x-ray source disposed in a gantry; a detector assembly for receiving an x-ray emission from an x-ray source, the x-ray source and the detector assembly rotatable about an imaging target; an ... | 04/10/2012 |
| 8139462 | System and method for precise recording A method for calculation of recording depth in a holographic disk is disclosed. The method includes applying a first external voltage to one or more actuators coupled to an objective lens to focus a tracking beam of radiation having a first wavelength on a reference... | 03/20/2012 |
| 8110806 | Solid-state photomultiplier having improved timing resolution A solid-state photomultiplier is provided for use in imaging detectors. The solid-state photomultiplier includes a plurality of microcells configured to detect impinging photons. Each of the plurality of microcells further includes a photodiode coupled to a common e... | 02/07/2012 |
| 8103329 | System and method for imaging based on ultrasonic tagging of light A technique is provided for imaging based on localization of fluorescence in a medium. The technique includes illuminating the medium with an excitation light to excite fluorescence, scanning the medium at a plurality of locations via an ultrasonic beam, modulating ... | 01/24/2012 |
| 8054594 | ARC flash detection system An apparatus to detect arc is presented. The apparatus includes a fiber sensor to detect characteristics of an arc flash and a processor to process at least two characteristics of the arc flash. The processor is further configured to generate an arc fault signal. A ... | 11/08/2011 |
| 8054135 | Class-E amplifier and lighting ballast using the amplifier An amplifier comprises a power source, a load network comprising a load and a resonance circuit, an input branch having a first end electrically coupled to the power source and a second end electrically coupled to the load network, and an active switch having one te... | 11/08/2011 |
| 8050734 | Method and system for performing patient specific analysis of disease relevant changes of a disease in an anatomical structure A method for performing patient specific analysis of disease relevant changes of a disease in an anatomical structure of interest is provided. The method comprises determining a percentage of the anatomical structure that is encompassed by a diseased tissue region u... | 11/01/2011 |
| 8047166 | Electric valve actuation system A machine includes a piston disposed in a housing and configured to reciprocate in the housing. At least one valve is coupled to the housing. A magnetically-geared valve actuation system is coupled to the at least one valve. A plurality of sensors is configured to d... | 11/01/2011 |
| 8045771 | System and method for automated patient anatomy localization A method of imaging comprises performing a scout image of an object and aligning major regions of interest within the object by comparing the scout image with a pre-determined atlas image. In a further embodiment, a method of imaging using a computed tomography (CT)... | 10/25/2011 |
| 8041003 | Electronic packaging technique to improve sensor failure robustness A modular sensor assembly comprises: sensor arrays electrically coupled to a sensor substrate; a plurality of integrated circuits with sensor signal processors electrically coupled to a package substrate; and an interconnect assembly including electrical paths confi... | 10/18/2011 |
| 8038347 | Portable tomographic diagnostic system with open gantry An imaging system includes a portable litter including a structural housing and a digital detector positioned in the structural housing to detect X-ray signals corresponding to a region of interest to be imaged. The imaging system further includes at least one X-ray... | 10/18/2011 |
| 8009946 | Fiberoptic patient health multi-parameter monitoring devices and system A patient monitoring system includes a plurality of diffraction gratings integrated along the length of an optical fiber, wherein the optical fiber and each grating are together configured to alter either the effective refractive index or grating periodicity of the ... | 08/30/2011 |
| 8009805 | Rotating union for a liquid cooled rotating X-ray target A rotating union for an X-ray target is provided. The rotating union for the X-ray target comprises a housing, a coolant-slinging device comprising a rotating shaft having an inner diameter and an outer diameter, a proximal end and a distal end, and a bore therein, ... | 08/30/2011 |
| 7995864 | Method and system for performing image registration A method for performing image registration is provided. The method comprises obtaining a reference image dataset and a target image dataset and defining an image mask for a region of interest in the reference image dataset. The method further comprises registering a... | 08/09/2011 |
| 7977943 | Method and system for reconstructing images A method for reconstructing an image in a magnetic resonance imaging system is provided. The method includes steps of acquiring magnetic resonance signals from a plurality of receiver coils placed about a subject, each receiver coil having a coil sensitivity, iterat... | 07/12/2011 |
| 7950849 | Method and device for geometry analysis and calibration of volumetric imaging systems A technique is provided for geometrical analysis and calibration of a volumetric imaging system. The technique includes computing a projection error between estimated locations of a set of markers of a phantom based on a estimated imaging geometry and observed locat... | 05/31/2011 |
| 7932722 | Transversely folded gradient coil A gradient coil comprising: a pair of gradient coil units disposed so as to enclose a gradient axis, each gradient coil unit including: a gradient coil substrate with a primary coil section, a shield coil section, and first and second return path sections, the prima... | 04/26/2011 |
| 7916836 | Method and apparatus for flexibly binning energy discriminating data A CT detector includes a direct conversion material configured to generate electrical charge upon reception of x-rays, a plurality of metallized anodes configured to collect electrical charges generated in the direct conversion material, at least one readout device,... | 03/29/2011 |
| 7915992 | Planar, high voltage embedded transformer for analog and digital data transmission A transformer includes a flex or printed circuit board consisting of a substrate material having a desired permittivity, and at least one primary winding and at least one secondary winding. Each winding is integrated with the flex or printed circuit board such that ... | 03/29/2011 |
| 7903786 | Apparatus for increasing radiative heat transfer in an X-ray tube and method of making same A target assembly for generating x-rays includes a target substrate, and an emissive coating attached to the target substrate, the emissive coating including a textured material including a plurality of granular protrusions arranged to increase gray body emissive ch... | 03/08/2011 |
| 7903432 | High-voltage power generation system and package A power generation system comprises a power source, a transformer module for converting a low voltage from the power source into a higher voltage, and a voltage-multiplier module for amplifying higher voltage from the transformer module. The transformer module compr... | 03/08/2011 |
| 7902826 | Transverse gradient coil for MRI systems and method for manufacturing the same A transverse gradient coil for an MRI system is provided. The transverse gradient coil comprises a first coil layer; and an insulation layer made of thermoplastic insulation resin which has a thermal conductivity greater than 1.5 W/m·K, the insulation layer having ... | 03/08/2011 |
| 7898905 | Reconfigurable array with locally determined switch configuration A method for dynamically reconfiguring elements in an ultrasound transducer array is provided. The method includes defining two or more groups of the elements in the array, wherein each element individually comprises a first switch, and a second switch; providing bo... | 03/01/2011 |
| 7892176 | Monitoring or imaging system with interconnect structure for large area sensor array An ultrasonic monitoring system is formed with a probe unit. In one example an array of transducer cells is arranged in rows and columns formed along a first plane with a first pitch along a first direction. An integrated circuit including an array of circuit cells ... | 02/22/2011 |
| 7885375 | Method and system for X-ray imaging A technique is provided for imaging a field of view using an X-ray source comprising two or more emission points. The two or more emission points may be independently operated. Independent operation of the two or more emission points in performed in accordance with ... | 02/08/2011 |
| 7881425 | Wide-coverage x-ray source with dual-sided target An x-ray source is disclosed comprising: an anode disk with first and second beveled annuli at a periphery of the anode disk, the anode disk rotatably coupled to a housing structure via a support shaft; first and second cathodes mounted to a yoke support structure, ... | 02/01/2011 |
| 7847545 | System and method for correcting flow velocity measurements in phase contrast imaging using magnetic field monitoring A system and method of phase contrast imaging includes a system control programmed to acquire a first set of data and a second set of data via the RF coil assembly during a scan and acquire a third set of data and a fourth set of data via the plurality of magnetic f... | 12/07/2010 |
| 7846099 | Apparatus, system, and method for providing a continuous scanning sequence for ultrasound imaging A method of performing a scanning sequence for an ultrasound scan includes establishing a number of ultrasound beams to be transmitted during an ultrasound scan, establishing a pulse repetition interval to be used for performing the ultrasound scan, and establishing... | 12/07/2010 |
| 7876100 | Method and apparatus for actively controlling quench protection of a superconducting magnet A method and apparatus for actively controlling quench protection of a superconducting magnet includes a magnetic resonance imaging (MRI) system and a computer readable storage medium having stored thereon a computer program comprising instructions which when execut... | 01/25/2011 |
| 7826594 | Virtual matrix control scheme for multiple spot X-ray source A system and method for addressing individual electron emitters in an emitter array is disclosed. The system includes an emitter array comprising a plurality of emitter elements arranged in a non-rectangular layout and configured to generate at least one electron be... | 11/02/2010 |
| 7812604 | Thermal management system for cooling a heat generating component of a magnetic resonance imaging apparatus A thermal management system for cooling a heat generating component of a Magnetic Resonance Imaging (MRI) apparatus includes at least one heat pipe having a portion disposed proximate the heat generating component, such as a gradient coil and/or RF coil. When heat i... | 10/12/2010 |
| 7809423 | Robust coronary MR angiography MR without respiratory navigation A method for acquiring image data from a subject during a scan with a Magnetic Resonance Imaging (MRI) system comprising the steps of acquiring a reference data set of a region of interest, acquiring a plurality of free-breathing data sets, and, selectively processi... | 10/05/2010 |
| 7809114 | Field emitter based electron source for multiple spot X-ray A multiple spot x-ray generator is provided that includes a plurality of electron generators. Each electron generator includes an emitter element to emit an electron beam, a meshed grid adjacent each emitter element to enhance an electric field at a surface of the e... | 10/05/2010 |
| 7809101 | Modular multispot X-ray source and method of making same A modular x-ray source for an imaging system includes an electron source mounting plate, two or more electron sources each mounted on and electrically coupled to the electron source mounting plate, and a target block positioned proximately to the two or more electro... | 10/05/2010 |
| 7805227 | Apparatus and method for locating assets within a rail yard A method for tracking assets within a rail yard, the method comprising: creating a track layout database for the rail yard, the track layout database providing a map of rail tracks and switches within the rail yard, wherein the track layout database includes machine... | 09/28/2010 |
| 7801264 | Method for calibrating a dual -spectral computed tomography (CT) system A method for calibrating and reconstructing material density images in a dual-spectral computed tomography (CT) system 100 is disclosed. An X-ray source in the CT system 100 emits a first X-ray spectrum and a second X-ray spectrum towards an object. Th... | 09/21/2010 |
