Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
09/1998
09/03/1998DE19709768C1 Control device for switch output stage esp. gradient amplifier of tomography device
09/03/1998DE19709766C1 Controlling several coupled end stages esp. with gradient amplifier of nuclear resonance tomography e.g. Project 039
09/03/1998DE19706756A1 Gradient amplifier for magnetic resonance tomography
09/03/1998CA2278774A1 Method and apparatus for detecting a magnetically responsive substance
09/02/1998EP0862064A2 Method for fabricating a magnetic field sensor and an according to this method fabricated sensor
09/02/1998EP0862046A1 Scanning probe microscope
09/02/1998EP0861364A2 Electronic compass
09/02/1998EP0771423B1 Three axis packaging
09/02/1998CN1192128A Coatings for production of hyperpolarized noble gases
09/02/1998CN1191709A Method for correcting inhomogeneity of spatial intensity in acquired MR image
09/01/1998US5801609 MRI head magnet
09/01/1998US5801533 Method and apparatus with cascode biasing magneto field effect transistors for improved sensitivity and amplification
09/01/1998US5801529 Magnetoresistance sensing device without hystersis influence
09/01/1998US5800354 Method of and device for magnetic resonance imaging
09/01/1998US5799653 Magnetic resonance imaging apparatus with decreased patient claustrophobia and increased access to patient
09/01/1998US5799649 Method for imaging abdominal aorta and aortic aneurysms
08/1998
08/27/1998WO1998037438A1 Radio-frequency coil array for resonance analysis
08/27/1998DE19746685A1 Drive with two low inductance coils for rotary shaft or wheel
08/27/1998DE19741946A1 Magnetic sensor for detecting object position or movement
08/27/1998DE19738361A1 Magnetic detector to monitor rotation and movement of magnetic body
08/27/1998DE19733904A1 Magnetic rev counter for magnetic bodies
08/27/1998DE19722211A1 Manufacturing procedure for forming an active screened gradient coil arrangement for magnetic resonance apparatus
08/27/1998DE19707451A1 Anordnung zur Magnetresonanz-Untersuchung und Hyperthermie-Behandlung Arrangement for magnetic resonance examination and hyperthermia treatment
08/26/1998EP0860707A2 Improvements in or relating to MRI magnets
08/26/1998EP0860706A1 MR method and apparatus for determining the position of a microcoil
08/26/1998EP0860705A2 Method and apparatus for measuring critical current value of superconducting wire
08/26/1998EP0860015A1 A hybrid high field superconducting magnet assembly and fabrication method
08/26/1998EP0859965A1 Instrument having ultra-thin conductive coating and method for magnetic resonance imaging of such instrument
08/26/1998EP0859964A2 Method for reducing the offset voltage of a hall device
08/26/1998EP0812151A4 Method and apparatus for magnetic resonance imaging of arteries using a magnetic resonance contrast agent
08/26/1998CN1191317A Ferromagnetic-article sensor
08/25/1998US5799099 Automatic technique for localizing externally attached fiducial markers in volume images of the head
08/25/1998US5798896 Apparatus for detecting a magnetic field using a giant magnetoresistance effect multilayer and method for preventing an output reduction of the multilayer
08/25/1998US5798680 Strapped open magnetic structure
08/25/1998US5798679 Magnetic flux bending devices
08/25/1998US5798643 Method for operating an NMR tomography apparatus suitable for use with a chronologically constant basic magnetic field inhomogeneity
08/25/1998US5798642 Magnetic resonance imaging apparatus
08/25/1998US5798641 Torque magnetometer utilizing integrated piezoresistive levers
08/25/1998CA2229241A1 Method and apparatus for measuring critical current value of superconducting wire
08/20/1998WO1998036236A1 Six-degree tracking system
08/20/1998WO1998026379A3 Magnetic particles, substrate comprising such particles, security document and method for detecting such particles
08/20/1998DE19757399A1 Magnetoresistive element for detector or recording device
08/20/1998DE19749941A1 Image displacement correction for diffusion-weighed pulse sequence
08/20/1998DE19732616A1 Angular measuring device for detecting i.c. engine rotation
08/20/1998DE19706012A1 Magnetischer Messfühler Magnetic sensor
08/19/1998EP0859240A1 Magnet system for magnetic resonance imaging and spectroscopy
08/19/1998EP0793808B1 Magnetoresistive sensor
08/19/1998CN1190572A Method for reducing Maxwell term false image in fast spin echo magnetic rsonance image
08/18/1998US5796561 Self-biased spin valve sensor
08/18/1998US5796251 Process for controlling blending using nuclear magnetic resonance spectroscopy
08/18/1998US5796102 Measuring device for measuring the intensity and/or polarization of electromagnetic radiation, for determining physical properties of a preparation, and for reading information from a storage medium
08/18/1998US5795663 Magnetoresistive multilayer film and methods of producing the same
08/18/1998US5794620 Method of reconstructing the spatial current distribution in a biological object, and device for performing the method
08/13/1998WO1998035240A2 Magnetic sensor
08/13/1998WO1998035205A1 Geomagnetic field direction measuring system
08/13/1998WO1998009179A3 Nuclear quadrupole resonance testing
08/13/1998EP0900388A3 Method and device for spectroscopic magnetic resonance imaging
08/13/1998DE19804823A1 Correction of artifacts in magneto-resonance echo planar images caused by Maxwell fields
08/13/1998DE19801808A1 System which reduces Maxwell field artifacts with fast spin echo magnetic resonance images, e.g. in medical applications
08/13/1998DE19729808A1 Sensor for detecting rotation information, e.g. of IC engine
08/13/1998DE19725200A1 Total magnetic field measuring device with triple sensor
08/12/1998EP0783707B1 High-frequency squid with a resonant flow-focusing structure
08/12/1998EP0670044B1 NMR apparatus including an rf coil assembly for generating a homogeneous rf field in a working region externally of the apparatus
08/11/1998US5793279 Methods and compositions for optimizing interfacial properties of magnetoresistive sensors
08/11/1998US5793215 6 port TEM cell and radiation field immunity measuring system using the same
08/11/1998US5793210 Low noise MRI scanner
08/11/1998US5793209 Nuclear magnetic resonance imaging apparatus using asymmetric torque-free active shield gradient coils
08/11/1998US5793208 Excited magnetic sensor with latch
08/11/1998US5793207 Disk drive with a thermal asperity reduction circuitry using a spin valve sensor
08/11/1998US5793203 Measurement system with noise reduction circuit
08/11/1998US5792947 Method and apparatus for combined glide and defect analysis
08/11/1998US5792718 Compound magnetoresistance effect materials and method for making the same
08/11/1998US5792569 Magnetoresistive device; sensitivity
08/11/1998US5792445 Polymers and copolymers of acrylic acid MRI of the digestive tract of patients
08/11/1998US5792056 Method and apparatus for magnetic resonance imaging of arteries using a magnetic resonance contrast agent
08/11/1998US5792055 Medical appliance
08/11/1998US5792054 Device and method for magnetic resonance imaging
08/05/1998EP0856744A1 MMR probe incorporating RF shielding of sample
08/05/1998EP0856743A1 Reduction of eddy currents in fingerprint gradient coils for MRI
08/05/1998EP0856742A1 MR apparatus with an RF coil
08/05/1998EP0856741A1 Apparatus and method for the generation of gradient magnetic fields for high resolution MAS NMR experiments
08/05/1998EP0856161A1 Magnetic field sensor
08/05/1998EP0856067A1 A binary coding method for use in combinatorial chemistry
08/05/1998EP0809465A4 Repeat fixation for frameless stereotactic procedure
08/05/1998EP0636250B1 Magnet assembly
08/05/1998CN1189912A Method and appts. for special analysis in a disk recording system
08/04/1998US5790006 Apparatus for generating uniform magnetic fields with magnetic wedges
08/04/1998US5789931 Quantitative mobility spectrum analysis for magnetic field dependent hall and resistivity data
08/04/1998US5789922 Inspecting method and apparatus based on nuclear magnetic resonance using burst wave as exciting high frequency pulse
08/04/1998US5789921 Magnetic resonance imaging using hyperpolarized noble gases
08/04/1998US5789919 Magnetoresistance sensing device with increased magnetic field detection efficiency
08/04/1998US5789257 Locating diamonds in kimberlite rocks
08/04/1998US5789069 Alloy of nickel, iron, and cobalt
08/04/1998US5787997 Method of qualifying a borehole survey
07/1998
07/29/1998EP0855599A2 Electronic compass
07/29/1998EP0855595A2 Method and apparatus for locating coating faults on buried pipeline
07/29/1998EP0727050B1 Nuclear magnetic resonance imaging rheometer
07/29/1998EP0725937B1 Hardness testing of steels
07/29/1998CN1189105A Compounds with chelation affinity and selectivity for first transition series elements, and their use in medical therapy and diagenosis
07/29/1998CN1188897A Method for measuring and compensating for spatially and temporally varying magnetic fields induced by eddy currents