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| Number | Title | Issue Date |
| 7511495 | Systems and methods for image reconstruction of sensitivity encoded MRI data Methods and systems in a parallel magnetic resonance imaging (MRI) system utilize sensitivity-encoded MRI data acquired from multiple receiver coils together with spatially dependent receiver coil sensitivities to generate MRI images. The acquired MRI data forms a r... | 03/31/2009 |
| 7429862 | PPA MRT method and apparatus with scaled contribution of k-space data to the reconstructed image In a PPA MRT method and apparatus, a selected region of k-space containing respective portions of some of the incomplete, measured data lines and respective portions of some of the complete, reconstructed data lines is designated. For each data line in the selected ... | 09/30/2008 |
| 7425828 | Frequency swept excitation for magnetic resonance A method of magnetic resonance is provided that uses a frequency swept excitation wherein the acquired signal is a time domain signal is provided. In one embodiment, the method comprises, applying a sweeping frequency excitation and acquiring a time domain signal. T... | 09/16/2008 |
| 7423429 | Apparatus and associated method that integrate the modalities of diagnosis and therapy to treat, in principle, pathologies generically identified as Cancer and HIV/AIDS Diagnostic and Therapy apparatus and methods use non-ionizing radiations which are based on integration of nuclear magnetic resonance and radiation manipulation. Quantitative diagnostics integrate the following devices: manual control digital filter/selector (18 | 09/09/2008 |
| 7418287 | Magnetic resonance imaging method with accelerated data acquisition A method of dynamic magnetic resonance imaging comprising acquiring undersampled magnetic resonance signals for successive temporal time slots. In a space spanned by geometrical space and temporal frequency and on the basic of a priori information the aliased differ... | 08/26/2008 |
| 7405564 | Sub-sampled moving table MRI for at least two adjacent fields of view A magnetic resonance method is described for forming a dynamic image from a plurality of signals of an object moving relative to at least one RF′ receiving antenna. Imaging is acquired by at least two adjacent fields of view (FOV), which are reconstructed to an im... | 07/29/2008 |
| 7403007 | Nuclear magnetic resonance probe with cooled sample coil In a nuclear magnetic resonance probe, the sample coil is connected to the RF excitation source via transmission lines that are arranged to generate one or more nodal points at the 1H excitation frequency along their lengths and a balanced magnetic filed ... | 07/22/2008 |
| 7403006 | Frequency swept excitation for magnetic resonance A method of magnetic resonance is provided that uses a frequency swept excitation wherein the acquired signal is a time domain signal is provided. In one embodiment, the sweeping frequency excitation has a duration and is configured to sequentially excite isochromat... | 07/22/2008 |
| 7368910 | Dual gradient echo pulse sequence using interleaved spiral-out spiral-in k-space trajectories Measurements of functional, hemographic, and blood flow parameters use a multiple echo or spin echo gradient pulse sequence whereby an early echo is acquired near the beginning of the pulse sequence which avoids saturation effects and a later echo near the end of th... | 05/06/2008 |
| 7365536 | Passively shielded inductive sensor system for personnel screening An inspection system includes an electromagnetic shield having electrically conductive sidewalls spaced from one another. The shield also includes a conductive third wall which spans the distance between the sidewalls, and is electrically coupled to the sidewalls. T... | 04/29/2008 |
| 7365539 | Method of using G-matrix fourier transformation nuclear magnetic resonance (GFT NMR) spectroscopy for rapid chemical shift assignment and secondary structure determination of proteins The present invention presents a new approach to rapidly obtaining precise high-dimensional NMR spectral information, named “GFT NMR spectroscopy”, which is based on the phase sensitive joint sampling of the indirect dimensions spanning a subspace of a conventio... | 04/29/2008 |
| 7362182 | Power amplifier A radio frequency power amplifier including control electronics for providing control signals for timing of the power amplifier. A first group of the drivers are coupled to the control electronics and a second group of drivers are coupled to the control electronics.... | 04/22/2008 |
| 7357570 | Method and device for contactless temperature monitoring and temperature adjustment A method and device for determining the temperature of a sample, wherein a probing light beam is directed onto the sample whereby at least two partial beams of the probing light pass through paths of different lengths inside the sample by backscattering or reflectin... | 04/15/2008 |
| 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 |
| 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 |
| 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 |
| 7274190 | Method of monitoring a magnetic field drift of a magnetic resonance imaging apparatus The invention enables to monitor a magnetic field drift of a magnetic resonance imaging apparatus on the basis of the magnetic resonance signals, which are acquired during magnetic resonance image data acquisition, such as by single shot EPI or by a gradient echo se... | 09/25/2007 |
| 7268550 | Antenna element and antenna arrangement for magnetic resonance applications An antenna element for magnetic resonance applications has at least one sub-section that extends along a section axis and is adjacent to an auxiliary circuit. The antenna element has a coupling section and an auxiliary circuit section that is inductively coupled to ... | 09/11/2007 |
| 7265549 | Scanning a band of frequencies using an array of high temperature superconductor sensors tuned to the same frequency 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... | 09/04/2007 |
| 7260754 | Semiconductor device with speed binning test circuit and test method thereof A speed binning test circuit for a semiconductor device may include a plurality of circuit groups arranged along a boundary of a chip circuit. Each circuit group may include a different number of unit delay circuits that may form a chain structure. The speed binning... | 08/21/2007 |
| 7245124 | Under-sampled 3D MRI using a shells k-space sampling trajectory A 3D MRI image is acquired as a series of spherical shells of increasing radius. Each shell is sampled by one or more interleaved spiral sampling trajectories and to shorten the scan time one or more spiral sampling trajectories are skipped in the larger shells that... | 07/17/2007 |
| 7245125 | Magnetic resonance imaging apparatus and method wherein streak artifacts are minimized in modular k-space scanning In a method and MRI apparatus for the minimization of streak artifacts in modular k-space scanning in magnetic resonance imaging, an odd integer k-space scanning module number Nφ=2n+1 is defined that defines the number of incrementally rotated repeated m... | 07/17/2007 |
| 7241630 | Paramagnetic particle detection A method of determining the number of magnetic particles within a sample using a tuned circuit having a capacitor and a coil. The method comprises: a. determining the difference in the resonant frequency of the tuned circuit when t... | 07/10/2007 |
| 7206441 | Method for determining an object function The invention relates to a method in which object functions are generated from projections of an object by means of an iterative reconstruction algorithm with determination of approximation images. This method is used in, for instance, image-generating systems for p... | 04/17/2007 |
| 7200430 | Localized two-dimensional shift correlated MR spectroscopy of human brain A two-dimensional (2D) chemical shift correlated MR spectroscopic (COSY) sequence integrated into a new volume localization technique (90°-180°-90°) for whole body MR Spectroscopy. Using the product operator formalism, a theoretical calculation of the volume loca... | 04/03/2007 |
| 7184813 | Method and apparatus for improved metabolite signal separation in MR spectroscopy A technique is set forth for MR spectroscopy that is capable of reducing signal overlap between metabolite signals for improved clinical analysis of metabolite content. The technique includes varying an echo time across a scanning dimension. Once a span of echo time... | 02/27/2007 |
| 7181025 | Ultrasound based parametric loudspeaker system A parametric loudspeaker system is described which is based upon the FM-modulation of an ultrasound carrier. Known systems work with AM-modulation. The FM-modulation produces a good matching to the resonant transducer such as the conventionally employed piezo-cerami... | 02/20/2007 |
| 7180295 | NMR detector and NMR spectrometer equipped therewith There is disclosed an NMR detector permitting NMR measurements to be performed well by making use of the merit of a meander coil if a trace amount of solution sample is investigated. Furthermore, an NMR spectrometer equipped with this detector is offered. The NMR de... | 02/20/2007 |
| 7176686 | Parallel MR imaging method The invention relates to a parallel MR imaging method in which first a first MR imaging sequence is formed with a selectable minimum number of phase encoding steps and at least two separate MR signal data sets are acquired by means of at least two MR receiving coils... | 02/13/2007 |
| 7170677 | Stereo-measurement borescope with 3-D viewing Two stereo images are created by splitting a single image into two images using a field of view dividing splitter. The two images can be displayed side by side so that they can be viewed directly using stereopticon technology, heads-up display, or other 3-D display ... | 01/30/2007 |
| 7154269 | Iterative method for correction of geometric distortion resulting from phase evolution during segmented echo planar nuclear magnetic resonance imaging and apparatus therefor Segmented echo planar nuclear magnetic resonance imaging is performed using an iterative correction method that corrects or suppresses geometric distortion in the image domain caused by off-resonance phase discontinuities in the phase encoding direction. The iterati... | 12/26/2006 |
| 7151447 | Detection and identification of threats hidden inside cargo shipments A method for identifying at least one threat to the homeland security. Each threat is either hidden inside at least one cargo container before transit, or is placed inside at least one cargo container while in transit. Each threat while interacting with its surround... | 12/19/2006 |
| 7134342 | Magnetic infrasound sensor A magnetic infrasound sensor is produced by constraining a permanent magnet inside a magnetic potential well above the surface of superconducting material. The magnetic infrasound sensor measures the position or movement of the permanent magnet within the magnetic p... | 11/14/2006 |
| 7129480 | Multipath data acquisition system and method Improved data acquisition systems and methods that enable large numbers of data samples to be accumulated rapidly with low noise are described. In one aspect, a data acquisition system includes an accumulator that has two or more parallel accumulation paths and is c... | 10/31/2006 |
| 7081751 | Systems and methods for estimating properties of a sample Systems and methods for estimating properties of a sample are provided in which, for some embodiments, each datum of a set of data is modeled using a parameterized equation. The parameterized equation has multiple parameters, where each parameter represents a proper... | 07/25/2006 |
| 7064544 | Method and system of scaling MR spectroscopic data acquired with phased-array coils The present invention is directed to a system and method of resealing spectroscopic data acquired with phased-array or surface coils to absolute “local” units and, hence, preserves the industry-desirable quantitative approach to single voxel MRS. An MRS signal i... | 06/20/2006 |
| 7061238 | Inherent limitation of the reduction factor in parallel imaging as a function of field strength A magnetic resonance imaging system comprises means for generating a main magnetic field with a main magnetic field strength an a plurality of magnetic resonance signal receiving positions, provided by one or more receiver antennae. The receiver antennae or coils ha... | 06/13/2006 |
| 7020509 | Magnetic resonance tomography apparatus and method employing a true FISP sequence with improved off-resonant behavior of two spin ensembles In a magnetic resonance tomography apparatus employing a FISP pulse sequence, the pulse sequence is repeated with a repetition time TR with different phase-coding gradient directions and with an alternating operational sign of the flip angle α. The gradi... | 03/28/2006 |
| 7006676 | Method and apparatus for detecting an abnormality within a host medium utilizing frequency-swept modulation diffusion tomography Methods and apparatus are provided for detecting an abnormality in a host medium, such as a tumor within a patient's breast. The host medium is initially illuminated at a plurality of different positions with light of at least two different wavelengths. Following th... | 02/28/2006 |
| 7005853 | Prior-information-enhanced dynamic magnetic resonance imaging Successive magnetic resonance images are reconstructed from the respective sets of magnetic resonance signals of the dynamic series on the basis of the identified distribution of likelihood of changes and optionally the static reference image. The magnetic resonance... | 02/28/2006 |
