Magnetic Measurements TRIZ Cases

A phase correction method for MRI acquires reference and target images, subtracting pixel-wise phase values to generate offset-compensated magnitude data.

Pre-calculated lookup tables replace multiplication and division, reducing power consumption for mobile device vector rotation.

Respiratory movement monitoring unit detects stable expiration periods to synchronize cardiac and respiratory phases for efficient data acquisition.

Segmented mobile neonate imaging system reduces fringe magnetic field interference while minimizing handling stress for fragile infants.

An inductive sensor system determines angular position using coil arrangements and phase generators.

Averaging multi-compartment diffusion models improves molecular diffusion characterization in magnetic resonance imaging.

Segmented shielding blocks RF interference from infusion pumps to preserve MR image quality.

A TMR read head uses a Co-based amorphous metallic layer to stabilize the fixed structure during high-temperature annealing.

Rotatable magnet rotor assemblies adjust magnetic field strength within a conduit sensor device.

Navigator-based respiratory gating selects valid measurements to reduce artifacts and improve image quality.

Dual coils segment reset operations, lowering power consumption while maintaining magnetization stability in mobile devices.

Opposite polarity gradients measure maximum image point separation to determine resonance frequency deviation in magnetic resonance systems.

A reflective optical current sensor uses Faraday effect polarization rotation to measure electric currents without electrical power at the sensing location.

Hall-effect and magnetoresistive sensors detect plunger position to automate dose recording, eliminating manual data entry errors.

A magnetometer calibration system adjusts background quality thresholds based on real-time reading assessments to maintain measurement accuracy.

A 3D turbo spin echo method scans multiple slabs within a single repetition time using paired slice selection gradients.

A magnetic sensing element uses a two-layer insulating film structure to supply bias fields and maintain layer insulation.

Opposite phase alternating currents applied to magnetic sensor elements suppress double frequency interference, enabling higher sensitivity in field detection.

Three spaced magnetic field sensing elements generate a combined signal that maintains measurement accuracy despite installation angle misalignment.

Quadrature modulation and arctangent calculation resolve offset errors in circular vertical Hall sensors, improving angular measurement precision.

MRI-guided simulation predicts fluid flow and cell migration patterns to reduce swelling in brain tissues.

A pH sensor detects spin state changes in sensitive materials to determine acidity levels without reference electrodes.

A magnetic flux sensor detects pedestal position to calibrate the minimum optical path length in micro-volume spectrophotometers.

AC bias magnetic field sensor shifts target signals to higher frequency bands, separating them from low-frequency interference sources like electric motors.

A blipped scheme applies pseudo-random undersampling to flyback 3D-MRSI sequences, leveraging spectral sparsity to reconstruct high-resolution images.

Dynamic positioning of the magnet assembly against a ferromagnetic facing plate creates a homogeneous field, eliminating fixed bore constraints.

A Hall effect current sensor uses a nonmagnetic spacer to position the generator chip between ferromagnetic rings.

Porous fiber bundles mimic tissue diffusion characteristics to calibrate diffusion tensor imaging systems and verify scan accuracy.

Phase-constrained MRI methods estimate fat fraction directly from normalized signals, eliminating noise bias errors in low SNR environments.

A multi-channel transmission array adjusts the phase profile of radio frequency pulses to excite spins across varying magnetic fields.

A Wheatstone bridge sensor offset calculation method uses measured node resistances to determine bias-independent values.

A detector module integrates avalanche photodiodes and silicon photomultipliers to capture scintillating light for emission tomography scanners.

Hall effect sensor latch replaces mechanical micro switches, eliminating wear and grinding during marine gear transitions.

Hybrid gradient coil system combines conventional and solenoidal tube coils to reinforce magnetic fields while attenuating eddy currents.

Higher-order phase corrections applied to echo planar imaging datasets eliminate ghost artifacts that obscure anatomical structures.

A magnetic thin film power meter uses a self-aligning sensor array to measure current on existing wiring without manual positioning.

Real-time breathing curve detection isolates stable breath-hold periods to reconstruct high-quality MR images without respiratory motion artifacts.

A rotating table and synchronized wire height adjustment arm fabricate non-planar coils with longitudinal gaps to generate tailored magnetic fields.

Detecting magnetic field strength triggers automatic application startup, reducing operation steps and improving ease of use for mobile terminals.

Separates on-resonance from off-resonance signals using multiple time shifts, resolving low conspicuity of labeled cells in bright backgrounds.

A magnetoresistive sensor applies a perpendicular bias field to extend its linear measurement range.

Correlating rotated k-space images identifies RF interference points, removing shielding cabin costs while maintaining signal-to-noise ratio.

Electropermanent magnets create selective demagnetization states to position specific particles, avoiding simultaneous manipulation of all magnetizable matter.

Acquires non-diffusion navigators alongside diffusion data to correct for bulk subject motion and reduce signal loss.

A time management system measures lapse periods after contrast injection to control imaging start times.

Dynamic substrate adjusts sensor gap to maintain position detection accuracy at larger distances.

Implementing a delay after peripheral region sampling reduces image intensity variations caused by eddy currents and gradient hysteresis.

Cold pressure welding connects aluminum wire bodies to copper ends, eliminating oxidation defects and reducing weight.

A sample container carrier equipped with a removal detector identifies when a laboratory sample container is removed from its position.