Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
11/2002
11/21/2002US20020171520 Superconducting magnet apparatus in persistent mode
11/21/2002US20020171426 Multiple-tuned circuit and probe for NMR spectrometer
11/21/2002US20020171425 Active shield type of elliptic cylinder-shaped gradient coil for magnetic resonance imaging
11/21/2002US20020171424 MRI gradient coil with variable field of view and apparatus and methods employing the same
11/21/2002US20020171423 Method for producing spatially encoded measuring signals
11/21/2002US20020171422 Calibration method for use with sensitivity encoding MRI acquisition
11/21/2002US20020171421 Active signal conditioning circuitry for well logging and monitoring while drilling nuclear magnetic resonance spectrometers
11/21/2002DE10145764C1 Magnetic field measuring method using Faraday effect uses linearly polarized light signals passed through magnetic field sensitive measuring path in opposite directions
11/21/2002DE10124465A1 Transmission and receiver coil for a magnetic resonance imaging instrument with an arrangement of independently adjustable resonator segments forming a body coil that allows complete control of the HF field distribution
11/21/2002DE10122874A1 Nuclear spin resonance tomography with improved imaging based on separate selection of different spin collectives, i.e. chemically displaced water and fat, while the other spin collective is suppressed
11/21/2002DE10117342C1 Kernspintomographievorrichtung und Verfahren zur Ortscodierung mit einem nichtlinearen Gradientenfeld Nuclear Magnetic Resonance Imaging Apparatus and method for location coding with a non-linear gradient field
11/21/2002DE10114197C1 Tunnel magnetoresistive sensor element for external magnetic field measurement has soft magnetic measuring layer separated by tunnel barrier from hard magnetic reference layer or reference layer system
11/20/2002EP1257840A2 Rf surface resonator for a magnetic resonance imaging apparatus
11/20/2002EP1257200A1 Method for harmonic phase magnetic resonance imaging
11/20/2002EP1110094B1 Device and method for creating one or more magnetic field gradients through a straight conductor
11/20/2002EP0880397B1 Apparatus and method for producing polarised vapour-phase helium-3, particularly for nmr imaging
11/20/2002CN1380983A Magnetic resonance imaging method with sub-sampling
11/19/2002US6484118 Electromagnetic position single axis system
11/19/2002US6484048 Real-time interactive three-dimensional locating and displaying system
11/19/2002US6483677 Magnetic disk apparatus including magnetic head having multilayered reproducing element using tunneling effect
11/19/2002US6483675 Tunnel magnetoresistance effect element
11/19/2002US6483308 Method and apparatus for processing MRI data acquired with a plurality of coils using dixon techniques
11/19/2002US6483307 MRI using variable ratio of pre-pulses to flip pulses
11/19/2002US6483306 Magnetic resonance tomography apparatus and method for generating a magnetic resonance image of a subject with different pulse sequences in K-space
11/19/2002US6483305 Magnetic resonance method for reducing residual magnetization and adjusting the amplitude of gradient pulses
11/19/2002US6483303 Computer program for making measurements of accumulations of magnetic particles
11/19/2002US6483301 Method for compensating mechanical stresses in measuring the magnetic field strength by hall sensors
11/19/2002US6483299 Apparatus and method for measuring magnetic properties of recording mediums
11/19/2002US6482657 Methods of manufacturing tunnel magnetoresistive element, thin-film magnetic head and memory element
11/19/2002CA2138143C Nuclear magnetic resonance determination of petrophysical properties of geologic structures
11/14/2002WO2002091626A1 Miniaturized positional assembly and method of manufacturing
11/14/2002WO2002091491A1 Quantum interference type fluxmeter production method
11/14/2002WO2002091008A1 Remotely powered mr injector
11/14/2002WO2002078057A3 A transpinnor-based sample-and-hold circuit and applications
11/14/2002WO2002075344A3 Semiconductor element comprising a semimagnetic contact
11/14/2002WO2002063325A3 Self-adaptive tracking and phase encoding during data collection for contrast-enhanced mra
11/14/2002WO2002061444A3 Registration reliability measure
11/14/2002US20020169415 Remotely powered injector
11/14/2002US20020169375 RF coil, RF signal transmitter receiver, RF signal receiver, and magnetic resonance imaging system
11/14/2002US20020169374 Phased array local coil for MRI imaging having non-overlapping regions of sensitivity
11/14/2002US20020169373 Method for operating a magnetic resonance apparatus and magnetic resonance apparatus for implementing the method
11/14/2002US20020169372 Magnetic resonance imaging using MT pulse of which duration is shorter
11/14/2002US20020169371 Surgical probe
11/14/2002US20020168419 Magnetic resonance imaging
11/14/2002US20020168321 Comprising as dispersion in carrier liquid a positive contrast agent acting on T1 proton relaxation factor, and a negative contrast agent component acting on T2 proton relaxation factor, one remaining in blood longer than other
11/14/2002US20020168095 Analysis of successive data sets
11/14/2002US20020167769 Spin-valve magnetoresistive thin film element
11/14/2002US20020167766 Magnetoresistive element and device utilizing magnetoresistance effect
11/14/2002US20020167434 Fast A/D conversion signal processor, RF receiver circuit, digital receiver front end circuit, MRI apparatus, and fast A/D conversion device
11/14/2002US20020167383 Space defining structure for magnetic homogenization
11/14/2002US20020167321 Magnetic resonance imaging receiver/transmitter coils
11/14/2002US20020167320 Magnetic resonance imaging coil structure and magnetic resonance imaging apparatus
11/14/2002US20020167319 Phase correction method and MRI system
11/14/2002US20020167318 Method for measuring the magnetic resonance (NMR) by driven equilibrium
11/14/2002US20020167317 Driven equilibrium and fast-spin echo scanning
11/14/2002US20020167316 MRI image quality improvement using matrix regularization
11/14/2002US20020167315 Ghost artifact cancellation using phased array processing
11/14/2002US20020167314 System and method for determining oil, water and gas saturations for low-field gradient NMR logging tools
11/14/2002US20020167313 Method and apparatus for improved sensor accuracy
11/14/2002US20020167312 Compact sensing apparatus having an orthogonal sensor and methods for forming same
11/14/2002US20020167308 Miniaturized positional assembly and method of manufacturing
11/14/2002DE10137665A1 Apparatus for registering and classifying biological particles bonded to magnetic beads, comprises a sensor coil separate from the magnetic field generator, for reduced interference in the signals
11/14/2002DE10119519A1 Demodulator und Sensorvorrichtung Demodulator and sensor device
11/14/2002DE10101071C2 Magnetresonanzgerät mit einem Gradientenspulensystem mit Versteifungselementen Magnetic resonance apparatus with a gradient coil with stiffening elements
11/13/2002EP1256874A2 Fast A/D conversion signal processor, and fast A/D conversion device
11/13/2002EP1256020A1 Nuclear magnetic resonsance measurements in well logging using motion triggered pulsing
11/13/2002EP1256012A1 Visualizing the perfusion of an organ
11/13/2002EP1256011A1 Method for obtaining mri images using sub-sampling in a vertical field mri apparatus
11/13/2002EP1256010A1 Device for detecting a magnetic field, magnetic field measurer and current meter
11/13/2002EP1052474B1 Magnetoresistive detector
11/13/2002CN1378817A Method for correcting resonance frequency change and magnetic resonance imaging equipment
11/13/2002CN1378816A Phase correction method and magnetic resonance imaging system
11/12/2002US6479999 Efficiently shielded MRI gradient coil with discretely or continuously variable field of view
11/12/2002US6479998 Active shield type of elliptic cylinder-shaped gradient coil for magnetic resonance imaging
11/12/2002US6479997 Electric arrangement for operation of a gradient coil with several power supplies
11/12/2002US6479996 Magnetic resonance imaging of several volumes
11/12/2002US6479995 Magnetic resonance signal receiving method and apparatus and magnetic resonance imaging apparatus
11/12/2002US6479994 Industrial on-line analysis by nuclear magnetic resonance spectroscopy
11/12/2002US6479991 Stage mechanism, exposure apparatus and device manufacturing method in which a coil unit of a driving mechanism is moved substantially in synchronism with a stage
11/12/2002CA2220949C Repeat fixation for frameless stereotactic procedure
11/07/2002WO2002088775A1 Estimation of transversal motion of the nmr tool during logging
11/07/2002WO2002088766A1 Monitoring the position of a medical instrument inserted into the body of a subject using nuclear magnetic resonance imaging
11/07/2002WO2002088765A1 Magnetoresistive element and magnetoresistive magnetic head, magnetic recording apparatus and magnetoresistive memory device using the same
11/07/2002WO2002088696A1 Magnetic sensor and method for analysing a fluid
11/07/2002WO2002088662A2 Method of molecular structure recognition
11/07/2002WO2002087430A2 Method of automatically determining the starting point for analysis of a data set comprising a tubular structure
11/07/2002WO2002087424A2 Treatment and diagnosis of macrophage mediated disease
11/07/2002WO2001099099A3 Magnetic multilayer structure with improved magnetic field range
11/07/2002US20020166046 Object oriented framework for scanner/workstation configuration
11/07/2002US20020165449 Magnetic resonance imaging utilizing a microcoil
11/07/2002US20020165447 Switchable field of view apparatus and method for magnetic resonance imaging
11/07/2002US20020165446 Magnetic resonance method
11/07/2002US20020165438 Medical examination and/or treatment installation
11/07/2002US20020164828 Sputtering a first ferromagnetic layer, growing a conductive layer on the ferromagnetic layer, oxidizing conductive lyaer to form a tunnel barrier layer of oxide on conductive layer, growing a second ferromagnetic layer on the oxide
11/07/2002US20020164806 Method and Apparatus for Rapid Fat Content Determination
11/07/2002US20020164289 Medical diagnosis
11/07/2002US20020163767 Magnetoresistive sensor and a thin film magnetic head
11/07/2002US20020163766 Current-perpendicular-to-the-plane structure magnetoresistive element and method of making same
11/07/2002US20020163764 Tunneling magnetoresistive device and method for manufacturing the same
11/07/2002US20020163412 Superconducting magnetic resonance imaging magnet assembly and method with reverse wire channel orientation