Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
11/2001
11/28/2001CN1323979A Calibration mechanism, electron compass having said mechanism and electron clock
11/28/2001CN1075651C Spin valve magnet resistive sensor and magnetic recording system using the sensor
11/27/2001US6324037 Magnetically stable spin-valve sensor
11/27/2001US6323749 MRI with superconducting coil
11/27/2001US6323649 Modular MRI gradient amplifier using unipolar PWM drive
11/27/2001US6323648 Peripheral vascular array
11/27/2001US6323647 Motor driven tuning and matching of RF coils in an NMR probe
11/27/2001US6323646 Method and apparatus for producing diffusion weighted MR images
11/27/2001US6323645 Superconducting quantum interference device
11/27/2001US6323644 Rotation sensor
11/27/2001US6323634 Magnetic sensor apparatus, current sensor apparatus and magnetic sensor element
11/27/2001US6322911 Antiferromagnetic layer comprising a pt/mn or ir/mn alloy; alloy layer with an fcc structure having an alloy of a group viiia element or a group ib element
11/27/2001CA2223170C Squid magnetometer
11/22/2001WO2001088562A1 Magnetic field sensor using magnetoresistance and method for making same
11/22/2001WO2001088561A1 Magnetic field sensor
11/22/2001WO2001088482A1 Sensor element and its manufacturing method
11/22/2001WO2001087173A2 Mri ablation catheter
11/22/2001US20010043986 Forming a laminate having an antiferromagnetic layer, a ferromagnetic layer, and at the interface between a seed layer comprising a (111) plane of face-centered cubic crystal
11/22/2001US20010043447 Manufacturing method of spin-valve magnetoresistive thin film element
11/22/2001US20010043155 Electronic azimuth meter and electronic time piece having electronic azimuth meter
11/22/2001US20010043070 "Magnetic resonance apparatus having a gradient coil system with magnetostrictive material"
11/22/2001US20010043069 MR method for generating navigator pulses
11/22/2001US20010043068 Method for parallel spatial encoded MRI and apparatus, systems and other methods related thereto
11/22/2001US20010043067 MR imaging method and MRI apparatus
11/22/2001US20010043066 Nuclear magnetic resonance measurements in well logging using motion triggered pulsing
11/22/2001US20010043065 Magnetometer for detecting a magnetic field associated with nuclear magnetic spins or electron spins
11/22/2001US20010043064 Polarimetric sensor for the optical detection of a magnetic field and polarimetric sensor for the optical detection of an electric current
11/22/2001US20010042385 Gradient coil with direct cooling
11/22/2001US20010042314 Correcting mechanism of electronic azimuth meter, electronic azimuth meter having thereof and electronic time piece with electronic azimuth meter
11/22/2001DE10117279A1 Non-linear Hall integrated circuit converts Hall voltage output by Hall element into output voltage, such that relationship between magnetic field intensity and output voltage is made non-linear
11/22/2001DE10031229C1 Current-dependent resistive component used as a switch, sensor or memory element has a layer system consisting of two ferromagnetic manganate layers divided by an epitaxially grown insulating material layer
11/21/2001EP1156344A2 MR imaging method and MRI apparatus
11/21/2001EP1156343A1 Method and apparatus for nuclear magnetic resonance imaging
11/21/2001EP1155453A1 Extraordinary magnetoresistance at room temperature in inhomogeneous narrow-gap semiconductors
11/21/2001EP1155339A1 Portable system for monitoring the polarization level of a hyperpolarized gas during transport
11/21/2001CN1323442A Magnetoresistive element and the use thereof as storage element in a storage cell array
11/21/2001CN1323398A Magnetic sensor produced by constriction
11/20/2001US6321108 MRI coil and MRI apparatus
11/20/2001US6321107 Determining linear phase shift in conjugate domain for MR imaging
11/20/2001US6321105 Method for diagnosing neurological, neurodegenerative and psychiatric diseases by magnetic resonance imaging using contrast agents with high magnetic susceptibility and extended plasma half life
11/20/2001US6320488 Magic cylinder adjustable in field strength
11/20/2001US6320466 Amplifier circuit
11/20/2001US6320385 Multi-channel balun for magnetic resonance apparatus
11/20/2001US6320384 Thermal buffering of cross-coils in high-power NMR decoupling
11/20/2001US6320383 RF coil, RF magnetic field generating apparatus and magnetic resonance imaging method and apparatus
11/20/2001US6320382 Etched z-axis gradient coils for magnetic resonance
11/20/2001US6320381 Measuring method of spatially resolved magnetic resonance spectroscopy
11/20/2001US6320380 MRI method and apparatus for increasing the efficiency of echo lanar imaging and other late echo techniques
11/20/2001US6320379 Nuclear magnetic resonance apparatus
11/20/2001US6320378 Continuous magnetic resonance line-scan imaging in the presence of motion and varying magnetic field inhomogeneities within the field of view
11/20/2001US6320377 MR imaging with pre-sequence including plural saturation pulses
11/20/2001US6320376 Magnetic field sensor and system for measuring a magnetic field including a plurality of conductors electrically connected in a loop
11/20/2001US6320369 Superconducting current measuring circuit having detection loop
11/20/2001US6319725 Method for estimating composition of product obtained by liquefaction of coal
11/20/2001US6318092 Alkali metal hybrid spin-exchange optical pumping
11/20/2001CA2166164C Analytical method for evaluating flavor stability of fermented alcoholic beverages using electron spin resonance
11/20/2001CA2127889C Determination of rock core characteristics
11/20/2001CA2089764C Analyzing heart wall motion using spatial modulation of magnetization
11/20/2001CA2040484C Fiber optic measuring device, rate gyro, navigation and stabilization system, and current sensor
11/15/2001WO2001086324A1 High frequency large volume resonator
11/15/2001WO2001086322A2 Method for estimating rock petrophysical parameters using temperature modified nmr data
11/15/2001WO2001085027A2 Drug deliver catheter device with active electrode
11/15/2001US20010041834 Exchange-based NMR imaging and spectroscopy of hyperpolarized xenon-129
11/15/2001US20010041833 Method of magnetic resonance imaging
11/15/2001US20010041819 Method for measurement of magnetic fields, method for production of gradient coils, gradient coil, and apparatus for magnetic resonance imaging
11/15/2001US20010040781 Spin valve thin film magnetic element and thin film magnetic head
11/15/2001US20010040780 Spin valve sensor having antiparallel (AP) pinned layer structure with high resistance and low coercivity
11/15/2001US20010040779 Spin valve sensor having antiparallel (AP) pinned layer structure with low coercivity and high resistance
11/15/2001US20010040778 Limiting magnetoresistive electrical interaction to a preferred portion of a magnetic region in magnetic devices
11/15/2001US20010040777 Magnetoresistive sensor, magnetic head and magnetic disk apparatus
11/15/2001US20010040774 Method and system for improving the sensitivity of a spin valve magnetoresistance sensor
11/15/2001US20010040452 System and methods for formation evaluation while drilling
11/15/2001US20010040450 Passive solid-state magnetic field sensors and applications therefor
11/15/2001US20010040449 MR device and MR method for localizing and/or visualizing a medical instrument provided with a passive magnet device
11/15/2001US20010040448 System and method for non-destructive measurement of dynamic coercivity effects
11/15/2001US20010040447 Dewar and biological magnetism measurement apparatus using the dewar
11/15/2001US20010039717 Method of manufacturing gradient coil, gradient coil and magnetic resonance imaging system
11/15/2001DE10021496A1 Kernspintomographiegerät und Verfahren zur Erzeugung eines Kernspinbildes eines Objektes mit verschiedenen Plussequenzen in k-Raum Magnetic resonance imaging apparatus and method for generating a magnetic resonance image of an object with different Plus sequences in k-space
11/14/2001EP1154280A2 Magnetic resonance apparatus including rose ring
11/14/2001EP1154234A2 Correcting mechanism of electronic azimuth meter, electronic azimuth meter and electronic time piece with electronic azimuth meter
11/14/2001EP1153313A1 Apparatus and method for evaluating a condition of a magnetic circuit of an electric machine
11/14/2001EP1153312A1 Perpendicular detection fluxgate micromagnetometer and method for the production thereof
11/14/2001EP1152692A1 Carrier for medical facilities with a large displacement range
11/14/2001EP0727673B1 Mri imaging method and its apparatus
11/13/2001US6317620 Method and apparatus for rapid assessment of stenosis severity
11/13/2001US6317619 Apparatus, methods, and devices for magnetic resonance imaging controlled by the position of a moveable RF coil
11/13/2001US6317618 Transportable intraoperative magnetic resonance imaging apparatus
11/13/2001US6317354 Non-volatile random access ferromagnetic memory with single collector sensor
11/13/2001US6317297 Current pinned dual spin valve with synthetic pinned layers
11/13/2001US6317091 Apparatus for inductively coupling a nuclear magnetic resonance signal into a reception antenna, and medical instrument incorporating such an apparatus
11/13/2001US6317048 Magnetic field sensor
11/13/2001US6316941 Open view quadrature birdcage coil
11/13/2001US6316940 System and method for identification of hydrocarbons using enhanced diffusion
11/13/2001US6316131 Sensor between magnetic shields and electrical conductor; biased by magnetic field doped silver or copper selenides or tellurides
11/13/2001US6315981 Used for obtaining image of an internal region of humans
11/13/2001US6315839 Method of making a keeper layer for a spin valve sensor with low intrinsic anisotropy field
11/08/2001WO2001084173A2 Reduction of motion artifact in nmr images using spherical navigator signals
11/08/2001WO2001084172A1 Prospective multi-planar motion correction in mri
11/08/2001WO2001084171A1 Mri method and apparatus for rapid assessment of stenosis severity
11/08/2001WO2001084165A1 Field distribution measuring method and device