Magnetic Measurements TRIZ Cases

A phased array coil system with non-concentric receiver coils enhances signal-to-noise ratio uniformity across the imaging field.

Segmented reference paddles resolve the contradiction between measurement precision and device area, increasing sensitivity while maintaining offset accuracy.

Adjusting gradient waveform segments mitigates Maxwell field induced phase errors and signal dropouts in non-rectilinear turbo spin-echo imaging.

Grading the Fe/(Fe+Mn) ratio across magnetic layers reduces thermal noise while maintaining narrow gap lengths for 2-4 Tb/in² recording densities.

A magneto-resistive sensor uses a closed flux magnetization pattern in its free layer to detect external magnetic fields.

Spatial light phase modulator measures surface shape and magnetic field distribution to separate defect signals from topography noise.

Dynamic coil movement reduces scan time and peripheral nerve stimulation while maintaining high signal quality.

Double inversion pulse sequence suppresses background tissue signals to enhance flowing blood contrast in cardiac imaging.

Weighting factors applied to second-group antennas create homogeneous sensitivity profiles, reducing ghosting and blurring without extending breath-hold times.

Opened-bore channels within the cage and magnets allow forced fluid circulation to maintain temperature stability within 0.2°C per hour.

Adjusting magnetization of irregular poles stabilizes differential signal slopes, maintaining measurement precision while increasing coding possibilities.

Subdividing main fields into variable subfields minimizes harmonic distortion in magnetic position sensors, maintaining high accuracy at small air gaps.

Circumferential antenna segmentation resolves averaged signal limitations by enabling distinct azimuth detection in NMR logging tools.

A diagnostic tool determines perturbing signal frequency and amplitude in MRI systems using multi-TR spectral analysis.

A linear motor uses optical sensors to detect alternating color patterns on a moving target for precise position and velocity measurement.

Embedded resistive or magnetic sensors in the HMD gasket measure physical strain from facial movements to identify expressions and monitor fit.

Varying transmission line element dimensions compensates for shortwave attenuation to improve B1 field homogeneity in MRI imaging.

A segmented RF receive coil combines solenoid, loop, and saddle elements to enhance signal-to-noise ratio for shoulder imaging.

A magnetic domain wall moving unit shifts data bits along a track while a magneto-resistive device detects the position via resistance changes.

A multi-channel MRI array coil allocates radio-frequency pulses to shared transmission and reception paths.

Segmenting the synthetic antiferromagnetic reader into narrow and wide portions prevents thermal switching, resolving stability versus noise trade-offs.

A dual-band magnetoelastic torque sensor uses a null-magnetized shaft region to isolate ambient magnetic fields from applied torque signals.

Signal combiners merge Hall sensor outputs to generate absolute and incremental position data, eliminating separate sensors while reducing subdivisional error.

Asymmetric current line routing in a TMR sensor cancels cross-axis interference, improving measurement linearity.

Tailored magnetic anisotropy reduces angular error from field distortions without adding complex computation circuits.

Calibration circuit provides adjustable offset trim voltage to cancel AMR sensor drift caused by process, voltage, and temperature variance.

A hybrid image reconstruction algorithm combines multiple MRI data sets acquired with different flow-dephasing gradient moments.

Multiple detection units capture composite magnetic fields while an angle computation unit eliminates angular errors caused by noise magnetic fields.

A trained machine-learning function corrects magnetic field gradient deviations by generating pre-emphasis signals for MRI amplifier input.

A magnetic field imager uses an array of non-cryogenic sensors and mu-metal shielding to detect local fields.

Double spiral wound inductive coils enable adjustable mutual inductance, eliminating labor-intensive retuning required by conventional fixed transformers.

Specific silicon oxide composition stabilizes bias magnetic field application layers, reducing noise occurrence rates during annealing.

Integrated support structures stabilize the secondary coil set, reducing assembly time and preventing epoxy resin rupture during mold demolding.

A Hall-effect sensor assembly captures magnetic fields from high-voltage conductors to measure geomagnetically induced currents.

A multi-level inverter uses coupled inductors to generate stepped voltage waveforms.

An unsupervised adversarial network removes motion artifacts from MRI scans without requiring paired training data.

A CoFeB/MgO/MgAl2O4 stacked film achieves a 120% TMR ratio through epitaxial crystallization of the barrier layer.

Vertical Hall effect sensor uses selective doping and buried wells to measure multi-dimensional magnetic fields while maintaining high sensitivity.

An annular magnet and sensor detect drive shaft rotation, eliminating mechanical seals that increase manufacturing complexity.

Switched mode power supplies create variable frequency fields that prevent overheating while removing scale.

A dipole ring magnetic field generator uses rectangular permanent magnet pieces arranged in a cylindrical yoke to produce a unidirectional magnetic field.

A sensor system with three half-bridge configurations provides reliable low-noise signal outputs using magnetoresistive sensing elements.

Protruding gradient coils shorten birdcage RF rung lengths, resolving sensitivity homogeneity deterioration in high-field MRI systems.

An alternating current transfer element compensates for manufacturing-induced asymmetry in the magnetic layer, restoring even-function accuracy.

Silicon-based optical modulators encode magnetic resonance data onto low-power carriers, eliminating electrical noise and signal loss during transmission.

A motor-driven patient bench with rotatable segments moves along a non-metallic track inside an open MRI magnet.

A magnetic sensor uses a bridge circuit with multiple sensing elements to achieve high spatial resolution and sensitivity.

Time-resolved exhaled air product concentration measurement determines enzyme metabolic capacity using fitted model functions.