Patents
Patents for G01R 33 - Arrangements or instruments for measuring magnetic variables (52,887)
01/1998
01/13/1998US5708410 Vehicle information display
01/13/1998US5708407 For measuring the current flowing through an electric conductor
01/13/1998US5708362 Magnet arrangement for a diagnostic magnetic resonance apparatus
01/13/1998US5708361 Antenna arrangement for a magnetic resonance apparatus
01/13/1998US5708360 Active shield gradient coil for nuclear magnetic resonance imaging apparatus
01/13/1998US5708359 Interactive, stereoscopic magnetic resonance imaging system
01/13/1998US5708358 Spin valve magnetoresistive transducers having permanent magnets
01/13/1998US5707875 170-Labeled phosphoric acid compound and method and apparatus for selective observation of nuclear magnetic resonance signals using the compound
01/13/1998US5706814 Method of determining a position of a probe relative to a tooth using MRI
01/13/1998US5706813 Focal neurographic magnetic resonance imaging system
01/13/1998US5706812 For providing an image of a protuberance of tissue
01/13/1998US5706810 Magnetic resonance imaging assisted cryosurgery
01/13/1998US5706805 Apparatus and methodology for determining oxygen tension in biological systems
01/13/1998US5706575 Method of making eddy current-less pole tips for MRI magnets
01/08/1998WO1998000726A1 Mr imaging apparatus
01/08/1998DE19722193A1 NMR scanner with HF system elements in tubular support for table guide
01/08/1998DE19626286A1 MRI breast coil
01/07/1998EP0817211A1 Superconducting magnet device and magnetic resonance imaging device using the same
01/07/1998EP0816861A2 Apparatus for measuring magnetic fields
01/07/1998EP0815471A1 Open permanent magnet structure for generating highly uniform field
01/07/1998EP0815462A1 Combination circuit for an rf measuring coil system for detection of magnetic resonance signals
01/07/1998EP0608426B1 Rf driving circuit in mr apparatus
01/07/1998EP0586602B1 Highly efficient yoked permanent magnet
01/07/1998CN1169539A RF coil for magnetic resonance imaging and magnetic resonance imaging apparatus
01/06/1998US5706070 Nonconducting, nonradiating remote visual and audio communication systems
01/06/1998US5705973 Bias-free symmetric dual spin valve giant magnetoresistance transducer
01/06/1998US5705928 Sample delivery system used in chemical analysis methods which employs pressurized gas for sample conveyance
01/06/1998US5705927 For determining a characteristic of formations surrounding a borehole
01/06/1998US5705926 Magnetic sensor and magnetic field sensing method of using same based on impedance changes of a high frequency supplied conductor
01/06/1998US5705924 Hall effect sensor for detecting an induced image magnet in a smooth material
01/06/1998US5705014 Carbon fiber magnetic resonance compatible instruments
01/06/1998US5704357 Method of producing MR image and MRI system
01/02/1998DE19625764A1 Nitrogen cooler for electronic assemblies, especially sensors
01/02/1998DE19625078A1 Sensor component produced in microstructural circuitry in form of transverse girder
01/02/1998DE19624682A1 Transmitting and/or reception device
12/1997
12/31/1997WO1997049334A1 Ferromagnetic foreign body screening method and apparatus
12/31/1997CN2271716Y A. C magnetizing strength measurer
12/31/1997CA2258268A1 Ferromagnetic foreign body screening method and apparatus
12/30/1997USRE35703 Combination coating thickness gauge using a magnetic flux density sensor and an eddy current search coil
12/30/1997US5703485 Method and test structure for determining magnetic domain switching field when fabricating patterned exchange biased magnetoresistive (MR) head
12/30/1997US5702834 Magneto-resistance effect element
12/30/1997US5702831 Multilayer read only memory; high density, magnetoresistance
12/30/1997US5701744 Magnetic resonance imager with helium recondensing
12/30/1997CA2115388C Dipole detection and localization processing
12/29/1997EP0814342A2 Detecting equipment for magnetic minute substance contained in long object to be inspected
12/29/1997EP0813686A1 Automatic tuning apparatus and method for substance detection using nuclear quadrupole resonance and nuclear magnetic resonance
12/29/1997EP0813685A2 System and method for contraband detection using nuclear quadrupole resonance
12/29/1997EP0732899A4 Automatic technique for localizing externally attached fiducial markers in volume images of the head
12/24/1997WO1997048987A1 Temperature calibration process for an optical magnetic field measurement device and measurement device calibrated by this process
12/24/1997CN1168475A Magnet assembly for MRI apparatus
12/24/1997CA2258231A1 Temperature calibration process for an optical magnetic field measurement device and measurement device calibrated by this process
12/23/1997US5701259 Method for stabilizing the directional display of magnetic compasses
12/23/1997US5701223 Nickel, cobalt oxide exchange bias layer, iron, manganese, chromium alloy, laminated antiparallel pinned layer, spacer, free ferromagnetic layer
12/23/1997US5701222 Spin valve sensor with antiparallel magnetization of pinned layers
12/23/1997US5701112 Cryogenic MRI magnets
12/23/1997US5701076 NMR gradient power supply including a resonant circuit having a frequency with an associated period being less than one-quarter duration of the gradient current
12/23/1997US5701075 Magnetic resonance imaging shimming by superconducting gradient shield
12/23/1997US5701074 Spectral component separation including unwrapping of the phase via a poisson equation utilizing a weighting map
12/23/1997US5700588 Magnetic layer of alloy of iron, nickel and cobalt and non-magnetic layer of copper or alloy
12/23/1997US5699802 Mammography antenna arrangement for NMR examinations of a female breast
12/23/1997US5699801 Method of internal magnetic resonance imaging and spectroscopic analysis and associated apparatus
12/23/1997US5699800 Stereotactic examination arrangement for conducting magnetic resonance examinations
12/18/1997WO1997047992A1 Force-detected nuclear magnetic resonance
12/18/1997WO1997047982A2 A magneto-resistive magnetic field sensor
12/18/1997WO1997047979A1 Miniature pendulum type accelerometer combined with ac driven magnetometer
12/18/1997WO1997047978A1 Miniature pendulum type accelerometer combined with ac driven magnetometer
12/18/1997WO1997047973A1 In vitro proton mrs detection of frequency and amount of alcohol self-administration
12/18/1997CA2258174A1 In vitro proton mrs detection of frequency and amount of alcohol self-administration
12/17/1997EP0813071A1 Sample delivery system used in chemical analysis methods which employs pressurized gas for sample conveyance
12/17/1997EP0813070A2 Magnetic sensor with CMOS multivibrator
12/17/1997EP0812151A1 Method and apparatus for magnetic resonance imaging of arteries using a magnetic resonance contrast agent
12/17/1997EP0740796B1 Current sensor including magnetic sensors
12/17/1997EP0531368B1 Coil circuits
12/17/1997CN1036717C Polyazamacrocyclic compounds for complexation of metal ions
12/16/1997US5699461 Optical fiber sensors and method for making the same
12/16/1997US5699214 Magnetic information detecting apparatus
12/16/1997US5699213 Magnetoresistive head having a magnetic domain control layer
12/16/1997US5699204 Method and apparatus for the coherent demodulation of an amplified modulated carrier using a dual track and hold amplifier and the application of said method and apparatus to measurement of magnetic media performance
12/16/1997US5698980 Gradient coil mounting method and arrangement for reducing noise in a magnetic resonance imaging apparatus
12/16/1997US5698979 Method for NMR diffusion measurement
12/16/1997US5698405 Coupling immunogenic agent with a carbohydrate polymer
12/16/1997US5698401 Use of nuclear magnetic resonance to identify ligands to target biomolecules
12/16/1997US5697902 Treating patient with antibody or antibody fragment conjugated to cytotoxic agent
12/16/1997US5697370 For producing a series of images with an mri system
12/11/1997WO1997046981A1 Protection method against the counterfeiting of banknotes, securities and documents
12/11/1997WO1997046895A1 Antenna system for nmr and mri apparatus
12/11/1997WO1997046892A2 Magnetoresistance sensor having minimal hysteresis problems
12/11/1997DE19649400A1 Probe for detecting magnetic field changes to obtain information on rotating parts
12/11/1997DE19647420A1 Probe for detecting magnetic field changes to detecting information on rotating parts
12/11/1997DE19647320A1 Probe for detecting magnetic field changes to detect information on rotating parts
12/11/1997DE19636757C1 Magnetic remanence measuring device for permanent magnet
12/10/1997EP0811856A2 Improvements to dipole detection and localization processing
12/10/1997EP0811851A2 Faraday rotator having a rectangular shaped hysteresis
12/10/1997EP0811171A1 Method and device for heating by means of ultrasound guided by magnetic resonance imaging
12/10/1997EP0811170A1 Process and device for measuring a magnetic field by faraday effect while compensating for intensity variations
12/10/1997EP0811134A1 Vibrationally isolated cryogenic device
12/09/1997US5696858 Fiber Optics apparatus and method for accurate current sensing
12/09/1997US5696655 Self-biasing non-magnetic giant magnetoresistance
12/09/1997US5696575 Digital flux gate magnetometer
12/09/1997US5696476 Open architecture magnetic resonance imaging superconducting magnet assembly