A receiver coil configuration using multiple sub-coils with distinct geometric arrangements to detect nuclear magnetic resonance signals.
Orthogonal tunneling magnetic resistances calculate free layer angles to measure middle-large fields despite saturation nonlinearity.
Automated parameter selection based on patient anatomy reduces setup time and minimizes motion artifacts for consistent image quality.
A RASER MRI sequence uses frequency-swept chirp pulses to acquire contiguous slices with uniform T2 weighting.
Flexible coolant pipelines arranged in a serpentine layout dissipate heat from Z coils while maintaining magnetic field homogeneity.
Hybrid sampling combines under-sampled and fully-sampled K-space data to improve signal-to-noise ratio in parallel imaging.
Segmented fixing points with activated surfaces minimize mechanical stress from thermal expansion mismatches between the molding compound and circuit housing.
Low-conductivity resistive traces replace discrete resistors to eliminate hot spots and reduce circuit complexity in MR receiver coils.
Centrifugation and D2O rinsing remove surface water from crushed drill cuttings for accurate NMR porosity analysis.
Optimizes RF coil performance using quadrature driving and flux probe measurements to enhance magnetic resonance imaging signal quality.
Hybrid 3D TSE MRI sequences fill waiting time with gradient echo data to improve utilization.
Segmented concentric gradient coils reduce peripheral nerve stimulation and system complexity while maintaining high slew rates.
Segmented strap elements and tensile members retain shield coils against axial body forces, preventing deformation while reducing structural complexity.
A position sensor diagnostic unit performs self-testing to maintain measurement accuracy.
Motion likelihood maps guide extended SENSE reconstruction to suppress ghosting artifacts, reducing numerical intensity while improving image quality.
Depth stops prevent over-insertion in MRI-guided breast biopsies, ensuring accurate targeting.
An MRI apparatus calculates phase differences between stable echo signals during a pre-scan to correct pulse sequences for main imaging.
Built-in self-test unit generates perpendicular magnetic fields to calibrate sensing elements, maintaining measurement accuracy despite device miniaturization.
Magnetic position sensing replaces manual logging to automatically record dose data, resolving the trade-off between automation and device complexity.
A method measures acoustic impulse response between separately clocked systems by determining clock rate differences and applying timing adjustments.
A magnetic field detection device uses feedback currents to generate opposing fields that cancel environmental interference at the sensing elements.
Two fixed vector magnetometers measure magnetic fields from a permanent magnet to provide six degrees of freedom tracking without external infrastructure.
Dual magnetic flux concentrators amplify the field at a Hall sensor die to boost detection sensitivity.
Diamond nitrogen-vacancy centers detect radicals through fluorescence, overcoming short magnetic noise lifetimes.
Multi-element imaging coils combine opposed-solenoid and single-loop antennas to extend longitudinal coverage.
Segmented hollow conductors enable high slew rates and efficient cooling, resolving the trade-off between gradient amplitude and data acquisition speed.
A magnetic resonance method determines phase correction parameters using power series approximations of segment data correlations.
A neural network constructs coil sensitivity profiles using minimal input data, reducing the number of required mapping acquisitions and scan time.
A dual spin Hall effect layer write head generates spin transfer torque to enhance magnetic fields.
A sensing device uses hybrid active layers to detect magnetic field direction and strength simultaneously.
A two-dimensional phase correction method reduces ghost artifacts in echo planar imaging scans.
Periodic power gating of the Hall plate and ADC minimizes energy consumption while output registers maintain data availability.
Segmented spiral magnetoresistive elements improve detection isotropy while minimizing sensor size, eliminating excess space from non-rectangular designs.
A self-refocused spatial-spectral RF pulse combines excitation and refocusing into a single waveform.
A magnetoresistance element uses a stacked unit of alternating iron, cobalt, and Heusler alloy sub-layers to maintain high sensitivity.
Phase difference measurements in a rotating magnetic field determine position without signal attenuation, solving RF failure in conductive media.
A magnetic resonance tomography method calculates frequency offsets from phase differences in multiple correction scans to correct measurement data.
A magnetic multi-turn sensor system uses an axial magnet movement mechanism to initialize the device into a known state.
A semiconductor device integrates magnetic tunnel junction stacks with resistive elements to achieve adjustable resistance for enhanced sensitivity.
Rolling bearings slide along guiding grooves to drive lens barrel displacement for precise optical axis alignment.
A figure-eight interleaved gradient coil stabilizes magnetic field generation for precise signal localization in MRI systems.
Magnetic tunnel junction memory modifies domain wall position via electrical current to enable multi-state data storage.
A magnetoresistive element uses a segmented semiconductor channel to enable spin-polarized current flow between ferromagnetic layers.
Alternating flexible and rigid segments in an MRI receiving coil reduce weight and improve handling ease for larger test objects.
Flat magnetic member reduces resolver size while partitioning flux leakage between adjacent coils.
Digital differential processing corrects disturbance magnetic fields to enhance measurement accuracy.
Determines time shifts from electrical signal slopes to correct photon timing errors caused by varying tissue absorption.
A game controller magnetometer samples magnetic information to calculate directional offsets and output calibrated orientation signals.