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| Number | Title | Issue Date |
| 7965080 | Electro-conductive pet phantom for MR/PET quality control measurement A phantom for use in quality control measurement of a fully integrated magnetic resonance/PET scanner is disclosed. The phantom features radiation activity distributed throughout an electrically conductive binder. Suitably, the binder is elastomeric and includes car... | 06/21/2011 |
| 7521931 | Fiber tracking phantom A phantom for use with diffusion tensor imaging includes a container and a plurality of structures within the container. The structures have anisotropic properties, wherein when the phantom is subjected to diffusion tensor imaging, the structures provide data that i... | 04/21/2009 |
| 7436177 | SEM test apparatus Test apparatus for examining the operation and functioning of ultra-small resonant structures, and specifically using an SEM as the testing device and its electron beam as an exciting source of charged particles to cause the ultra-small resonant structures to resona... | 10/14/2008 |
| 7402437 | Method and device for analyzing the intracellular chemical state of living cells by nuclear magnetic resonance The invention concerns a method for analysing the intracellular chemical state of living cells by nuclear magnetic resonance (NMR). Said method comprises a step which consists in preparing the cell sample and a step which consists in an NMR analysis of the sample, b... | 07/22/2008 |
| 7366559 | Nuclear magnetic resonance apparatus and method for assessing whole body composition A method is disclosed for measuring whole body composition. The method includes confining movement of the body to a selected volume, inducing a static magnetic field in the volume, inducing a pulsed radio frequency magnetic field in the volume, and receiving nuclear... | 04/29/2008 |
| 7343193 | Background suppression method for time-resolved magnetic resonance angiography A 3D projection reconstruction pulse sequence is employed during a CEMRA dynamic study to acquire a time course series of k-space data sets. Signals from non-vascular voxels are suppressed by reconstructing a corresponding series of low resolution images using the c... | 03/11/2008 |
| 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 |
| 7235848 | Nonvolatile memory with spacer trapping structure The present invention discloses a nonvolatile memory with spacer trapping structure, the nonvolatile memory comprising a semiconductor substrate. A gate oxide is formed on the semiconductor substrate. A gate structure is formed on the gate oxide. An isolation layer ... | 06/26/2007 |
| 7218111 | Instrument to measure the polarization of a hyperpolarized substance This invention concerns a new embodiment of the instrument to measure nuclear polarization described in U.S. Pat. No. 6,356,080. The coil, that couples the nuclear polarized substance to the electronics, has been designed not to pick up ambient electromagneti... | 05/15/2007 |
| 7193419 | Modular cascaded detuning circuit for antennas in MRI apparatuses A detuning circuit unit for antennas of a magnetic resonance apparatus has at least two identical detuning modules that are connected in a cascade circuit and can be simultaneously activated with a control signal of a control signal source, and a circuit component t... | 03/20/2007 |
| 7148684 | Method for biological identification using high temperature superconductor enhanced nuclear quadrupole resonance This invention relates to a method for identifying biological agents using high temperature superconductor enhanced nuclear quadrupole resonance. The targeted biological agents are attached to functionalized nanoparticles and the quadrupole nuclei in these nanoparti... | 12/12/2006 |
| 7064546 | Method for determining the Bfield strength in MR measurements In magnetic resonance tomography apparatus and method for determining the field strength of high-frequency pulses which are emitted during a magnetic resonance measurement by the antenna, a magnetic resonance signal excited by a radio-frequency pulse or a radio-freq... | 06/20/2006 |
| 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 |
| 6867591 | NMR transfer standard A device for simulating a sample of gas having a specific level of polarization when measured by a NMR pickup coil includes an active circuit loosely coupled to the NMR pickup coil. The active circuit responds as a hyperpolarized gas having the specific level of pol... | 03/15/2005 |
| 6798201 | Magnetic resonance apparatus with sound insulation A magnetic resonance apparatus disposed in an installation space has a first component group, which contain at least a basic field magnet system and a gradient coil system, a second component group, which contains an examination volume for receiving an object under ... | 09/28/2004 |
| 6462546 | Method and apparatus for investigating the imperishability of liquid foodstuffs by means of electron spin resonance A method and an apparatus for investigating the imperishability of n liquid foodstuffs using electron spin resonance (ESR) exposes samples of the foodstuffs to an elevated temperature for an extended time-period. At predetermined intervals during the peri... | 10/08/2002 |
| 6225804 | Correction of DC offset in magnetic resonance imaging signals In an apparatus and method for correction of DC offset in magnetic resonance imaging signals, a phase-alternated RF pulse sequence causes the resulting DC offset artifact to be positioned at the boundaries of the object image, rather than at its center. T... | 05/01/2001 |
| 5811305 | Analytical method for evaluating flavor stability of fermented alcoholic beverages using electron spin resonance Quantitative determination and evaluation of the flavor stability of fermented alcoholic beverages are performed by measuring the changes of the amount of spin adduct from the formation behavior of active oxygen with passage of time using an ESR apparatus... | 09/22/1998 |
| 5389875 | Apparatus for non-destructive testing of dielectric/magnetic materials A dielectric probe, of the type in which an electromagnetic wave is reflected from a dielectric/magnetic structure and spectrum analyzed, further includes a coil for applying a magnetic field to the structure as the wave is being reflected. Information ab... | 02/14/1995 |
| 5343150 | Apparatus and method for measuring a physical property of a sample using an electron spin resonance spectrum of the sample Disclosed herein is a measuring apparatus and a measuring method which can measure a physical property value such as an oxygen content or thermal conductivity of a sample material such as an aluminum nitride sintered body with high accuracy, over the enti... | 08/30/1994 |
| 5302899 | Method and device for compensating of field disturbances in magnetic fields In a method for compensation of time variant field disturbances in magnetic fields of electromagnets with high field-homogeneity, in particular in sample volumes of superconducting electromagnets for measurements of magnetic resonance, the dispersion sign... | 04/12/1994 |
| 5200345 | Methods and apparatus for quantifying tissue damage, determining tissue type, monitoring neural activity, and determining hematocrit Tissue damage may be quantified, tissue type identified, neural activity monitored or blood hematocrit determined by measuring the difference between the total tissue sodium and potassium concentrations in the area in question. Comparison of these measure... | 04/06/1993 |
| 5169785 | Method for detecting fuel dilution of marine lubricating oils Vanadium in marine diesel lubricating oils resulting from raw fuel dilution is detected and quantified by way of an analytical technique employing electron spin resonance (ESR). Dilution of the lubricating oil with residual fuel oils results in the presen... | 12/08/1992 |
| 5096826 | Method of measuring specific surface area A method for determining the specific surface of a porous or a powdery substance includes measuring the spin-lattice relaxation rate of impregnating agent protons, in which the impregnating agent is removed from a specimen of the impregnated, examined sub... | 03/17/1992 |
| 4593248 | Oxymeter An ESR spectrometer is employed to measure the oxygen concentration in a sample material. Electron paramagnetic resonance is produced in a free radical mixed with a standard material of known oxygen concentration. The phase of the signal produced by this ... | 06/03/1986 |
| 4185237 | Continuous measurement method and device In a method of measuring substances each exhibiting a derivative peak of the phase sensitive detector (PSD) output at a pair of specific magnetic field intensities by sweeping the field, the magnetic field is switched between the specific magnetic field i... | 01/22/1980 |
