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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7301340 | Magnetic resonance imaging with histogram-based phase correction A magnetic resonance imaging system comprises reconstruction unit that is arranged to reconstruct a complex image of complex valued pixels from magnetic resonance signals. A compute a distribution of phase values of the complex image and to apply a phase correction ... | 11/27/2007 |
| 7301341 | MRI gradient waveform design using convex optimization A time-optimal MRI gradient design method utilizes constrained optimization to design minimum-time gradient waveforms that satisfy gradient amplitude and slew-rate limitations. Constraints are expressed as linear equations which are solved using linear programming, ... | 11/27/2007 |
| 7301342 | Bunched phase encoding (BPE) Systems, methodologies, media, and other embodiments associated with improving MRI scan times and mitigating the effects of aliasing artifacts when the Nyquist data sampling threshold is not satisfied are described. One exemplary method embodiment includes producing... | 11/27/2007 |
| 7301344 | Q-damping circuit including a high temperature superconductor coil for damping a high temperature superconductor self-resonant coil in a nuclear quadrupole resonance detection system The use of a high temperature superconductor single loop or coil in the Q-damping circuit for a high temperature superconductor transmit, receive, or transmit and receive self-resonant coil in a nuclear quadrupole resonance system results in improved performance of ... | 11/27/2007 |
| 7301338 | Automatic adjustment of NMR pulse sequence to optimize SNR based on real time analysis Data from a string of multiple formation evaluation data sensor are evaluated by an expert system. Based on the analysis, the logging speed is increased if all the sensors justify it, and is reduced if any of the sensors require a reduced logging speed. Alternativel... | 11/27/2007 |
| 7298144 | Homodyne reconstruction of water and fat images based on iterative decomposition of MRI signals Homodyne image reconstruction is combined with an iterative decomposition of water and fat from MR signals obtained from a partial k-space signal acquisition in order to maximize the resolution of calculated water and fat images. The method includes asymmetrical acq... | 11/20/2007 |
| 7298146 | Method and apparatus of manual pre-scan spatial and spectral data acquisition A method of pre-scan data acquisition includes the application of a pre-scan pulse sequence to acquire MR signals from a region-of-interest to be imaged with an imaging pulse sequence. The pre-scan pulse sequence applies a pre-scan readout gradient pulse and a pre-s... | 11/20/2007 |
| 7298143 | Reduction of susceptibility artifacts in subencoded single-shot magnetic resonance imaging In a magnetic resonance imaging method an echo train is generated of successive magnetic resonance signals from an object to be examined. The magnetic resonance signals are received with a degree of undersampling and by means of a receiver antennae system having a s... | 11/20/2007 |
| 7295007 | Reducing movement artifacts in magnetic resonance measurements An arrangement and a method for reducing movement artifacts in spatially resolved magnetic resonance measurements are proposed. A marker system which can emit or reflect at least one electromagnetic ray bundle is permanently connected to a measurement object. The el... | 11/13/2007 |
| 7295008 | Magnetic resonance imaging system and operating method therefor In the operation of a magnetic resonance system, an RF excitation coil emits an excitation pulse such that nuclei in an examination subject are excited to emit of magnetic resonance signals. A number of local coils acquire the magnetic resonance signals emitted from... | 11/13/2007 |
| 7292035 | NMR.ESR antennas and spectrometers using these An NMR/ESR antenna is inserted into a magnet device for generating a static magnetic field, and irradiates a sample with an electromagnetic wave to detect a signal generated from the sample. The NMR/ESR antenna comprises a sample tube, an NMR solenoid coil, an ESR m... | 11/06/2007 |
| 7292032 | Method and system of enhanced phase suppression for phase-contrast MR imaging An automated image processing technique is disclosed that evaluates pixels of a phase-difference image to determine those pixels corresponding to inflowing phase data and background phase data. Phase-difference images are generated from a first acquisition and a sec... | 11/06/2007 |
| 7292041 | Q-damping circuit including a diode acting as a resistor for damping a high temperature superconductor self-resonant coil in a nuclear quadrupole resonance detection system The use of a bias controlled diode in the Q-damping circuit of a high temperature superconductor transmit, receive, or transmit and receive self-resonant coil in a nuclear quadrupole resonance detection system results in improved performance. The diode is operated w... | 11/06/2007 |
| 7292034 | Method for dynamic detection and change in the magnetic field distribution in magnetic resonance (NMR) measurements A magnetic resonance (NMR) method for fast, dynamic, spatially resolved measurement of the temporal changes in NMR signals by means of repeated data acquisition in individual measurements (Acq) with measuring sequences which are sensitive to a parameter to be observ... | 11/06/2007 |
| 7292030 | Metal shield alarm in a nuclear quadrupole resonance/X-ray contraband detection system This invention relates to a combined nuclear quadrupole resonance and X-ray contraband detection system with a metal shield alarm that is activated when the area of the metal in the object being scanned as determined by the resonance frequency shifts of the NQR sens... | 11/06/2007 |
| 7292033 | Sensor assembly and method for the detection of substances by nuclear quadrupolar resonance (NQR) and in presence of environmental interference A sensor assembly for the detection of substances by means of nuclear quadrupolar resonance (NQR) and in the presence of environmental interference. The sensor assembly has a transmitter Tx which comprises excitation means which generate excitation signal... | 11/06/2007 |
| 7288936 | RF pulses for long T2 suppression in MRI In imaging a first species having a short T2 magnetic resonance parameter in the presence of a second and third species having longer T2 parameters, a method of suppressing signals from the longer T2 species comprises the steps of: a) applying a RF saturation pulse ... | 10/30/2007 |
| 7288927 | Remote substance identification and location method and system This invention relates to a method and system for remote detection of a targeted substance by the appropriate application of a probing signal that induces molecular resonance in the target substance to create an identifiable signature or response. In the preferred e... | 10/30/2007 |
| 7289013 | Bulk amorphous metal inductive device A bulk amorphous metal inductive device includes a magnetic core having at least one low-loss bulk ferromagnetic amorphous metal magnetic component forming a magnetic circuit having an air therein. The component has a plurality of similarly shaped layers of amorphou... | 10/30/2007 |
| 7289840 | Method for monitoring early treatment response Disclosed is a method for monitoring early treatment response of a cancer treatment comprising measuring by magnetic resonance spectroscopy (MRS), for example, proton MRS, the amount of Choline present in the cancerous tissue before and after treatment; the treatmen... | 10/30/2007 |
| 7288068 | Automatic optimization for ultrasound medical imaging Methods and systems are provided for automatic optimization for ultrasound medical imaging. In one approach, velocity values are unwrapped to avoid aliasing artifacts. Multi-dimensional phase unwrapping is applied to the velocity data. The unwrapped velocity informa... | 10/30/2007 |
| 7288937 | Image generating method and MRI apparatus A method of generating an MR image based on respective data obtained by n (≧2) coils, respective low resolution images are generated using partial data in a low frequency region for the data obtained by the n coils. The intensities and phases of the low resolution... | 10/30/2007 |
| 7285955 | System and method for improved data acquisition for medical imaging Various embodiments are described herein for acquiring MRI image data from an object. Various waveforms are provided for producing magnetic field gradients and an RF excitation field such that NMR response signals are sampled according to a spiral-PR k-space traject... | 10/23/2007 |
| 7285954 | Imaging and reconstruction of partial field of view in phase contrast MRI Phase contrast magnetic resonance images are produced using interleaved spiral k-space scanning with a bipolar phase contrast gradient. Spiral scanning is configured so that acquisition impulse response defines a central alias free portion in a partial field of view... | 10/23/2007 |
| 7286444 | Method and system for synchronizing separated clocks Methods and systems for synchronizing a first clock with a second clock, wherein the clocks are separated, are disclosed. A representative system, among others, includes a correlated particle emitter that emits a first particle stream and a second particle stream. P... | 10/23/2007 |
| 7282912 | NMR measurement method and apparatus utilizing nyquist frequency changes In an NMR measurement method using an NMR apparatus which converts a received signal to digital data using an analog/digital converter and performs a spectral analysis, a folding and aliasing count is decided from a variation in a peak frequency and frequency discri... | 10/16/2007 |
| 7282917 | Method and apparatus of multi-coil MR imaging with hybrid space calibration The present invention provides a system and method for parallel imaging that performs auto-calibrating reconstructions with a 2D (for 2D imaging) or 3D kernel (for 3D imaging) that exploits the computational efficiencies available when operating in certain data “d... | 10/16/2007 |
| 7282918 | Nuclear magnetic resonance apparatus with a gradient shielding configuration having reduced coupling to the resonator system A nuclear magnetic resonance apparatus for generating a homogeneous static magnetic field in the z-direction, comprising a coil/resonator system, a gradient system, and a shielding configuration which is positioned radially between the coil/resonator system and the ... | 10/16/2007 |
| 7283862 | Rapid multi-slice MR perfusion imaging with large dynamic range The present invention includes a method and apparatus to perform rapid multi-slice MR imaging without ECG gating or requiring breath-holding that is capable of renal profusion analysis and angiographic screening. An ungated interleaved pulse sequence is applied in r... | 10/16/2007 |
| 7282913 | Pulse sequences for exciting nuclear quadrupole resonance An apparatus and method for producing a multi-pulse sequence for irradiating a substance provided with quadrupole nuclei with either integer or half-integer spins to detect an NQR signal emitted therefrom. The apparatus has pulse sequence generating means adapted to... | 10/16/2007 |
| 7282919 | NMR CryoMAS probe for high-field wide-bore magnets “An MAS probe is disclosed for obtaining a substantial improvement in signal to noise (S/N) in triple-resonance high-resolution (HR) magic-angle-spinning (MAS) NMR of samples near room temperature (RT) in high-field magnets where the magnet's RT shim bore is great... | 10/16/2007 |
| 7283859 | Artifact suppression in dynamic magnetic resonance imaging A method for removing one or more artifacts from a time series of magnetic resonance (MR) images is provided. In one embodiment of the invention, an MR time series of data sets is acquired while changing the k-space that is sampled at each time frame. By using the a... | 10/16/2007 |
| 7283860 | Communication systems for use with magnetic resonance imaging systems An injector system for injection of a fluid medium into a patient within an electromagnetic isolation area. The injector system includes a powered injector, a system controller therefor, and a plurality of communication units. The powered injector is positioned with... | 10/16/2007 |
| 7279897 | Scanning a band of frequencies using an array of high temperature superconductor sensors tuned to different frequencies The methods of the invention for scanning a band of frequencies using a nuclear quadrupole resonance detection system with an array of high temperature superconductor sensors to detect nuclear quadrupole resonance signals improve the nuclear quadrupole resonance det... | 10/09/2007 |
| 7279901 | Magnetic resonance apparatus and operating method for generating a homogenous RF field in the examination volume In a method and magnetic resonance system for generating a homogenous, radio-frequency excitation field in a spatial examination volume of the magnetic resonance system for a subject examination, the magnetic resonance system having a body coil comprised of N resona... | 10/09/2007 |
| 7279896 | Methods and apparatus for scanning a band of frequencies using an array of high temperature superconductor sensors The methods of the invention for scanning a band of frequencies using a nuclear quadrupole resonance detection system with an array of high temperature superconductor sensors to detect nuclear quadrupole resonance signals improve the nuclear quadrupole resonance det... | 10/09/2007 |
| 7279893 | RECEIVER CHANNEL DATA COMBINING IN PARALLEL MR IMAGING An image reconstruction technique determines linear combinations of receiver channel information that contribute the most to image SNR and quantifies the SNR loss for the reduced receiver channel set for image reconstruction to reduce the computational burden placed... | 10/09/2007 |
| 7279894 | Method and magnetic resonance tomography apparatus for location coding with a non-linear gradient field A nuclear magnetic resonance tomography apparatus has gradient coils that superimpose at least one gradient field on a basic magnetic field transversely to a coding direction, with an overall magnetic field in the coding direction having a magnetic field strength wi... | 10/09/2007 |
| 7279892 | Calibrating method for artifact-reduced MRT imaging when there is FOV displacement The present invention relates generally to nuclear magnetic resonance tomography (synonym: magnetic resonance tomography—MRT) as used in medical applications for examining patients; it relates in particular to a calibrating method when there is FOV displacement wi... | 10/09/2007 |
| 7277807 | Method for processing a set of spectra, particularly NMR spectra A method for processing a set of spectra, particularly NMR spectra, by selecting a principle spectral range, recording a plurality of principle spectra in the principal spectral range, obtaining a reference principal spectrum in the principal spectral range, carryin... | 10/02/2007 |
