Magnetic Measurements TRIZ Cases

Non-uniform contact widths and P+ stripes balance Wheatstone bridge resistances in vertical Hall devices, enhancing magnetic sensitivity.

Dual magnetic sensors detect field strength ratios to generate precise angle values, canceling earth and motor noise interference.

A superconducting magnet coil configuration uses a truncated conical separating body to guide strip conductors through notch regions.

Solvent NMR measures transverse relaxation rate of water protons to assess pharmaceutical product integrity.

Segmented superconducting magnet coil units allow defective coils to be replaced individually, eliminating scrapping of entire structures.

Segmented gantry structures reduce eddy current interference in combined MRI and radiation therapy systems.

Dephasing gradients suppress unwanted signal coherence paths before diffusion coding, eliminating geometric distortions and hardware loading artifacts.

Dual comparators and a logic intermediary detect reverse motor rotation immediately after zero crossing, maintaining accurate pole identification.

Multilayer hard magnet structure with seed and cap layers facilitates L10 phase formation in FePt alloys at reduced temperatures.

Segmented parallel wires in MRI RF coil rungs reduce eddy currents, minimizing heating and acoustic noise while maintaining signal integrity.

A magnetic memory point measures external fields by detecting minimum switching currents.

Segmented bridge circuits cancel external interference to maintain accurate signal detection across larger air gaps.

Grooves on a bias magnet pole surface reverse the gradient of parallel magnetic field components, reducing assembly complexity and costs.

Segmented magnetic body saturation compensates for low-output regions to maintain accuracy at high currents.

A magnetoresistive element uses a nitrogen compound buffer layer to reduce the damping constant of the recording layer.

Processor analyzes phase difference between temporal pressure and flow signals to characterize vessel wall conditions.

Series magnetoresistors with distinct resistance transfer functions enable precise magnetic field measurement across varying operational ranges.

Multiple magnetoresistive sensors map magnetic fields across the note width, overcoming single-point detection limits to retain full image data.

A computer-implemented method calibrates motion detection thresholds in medical imaging systems using real-time quantification data.

An inverted tapered yoke surface concentrates magnetic flux on a magnetoresistive element, resolving insufficient detection performance in simple structures.

Self-validation tests assess image fidelity by analyzing reconstruction robustness to perturbations in compressed sensing MRI.

Segmented hermetic containers with elastic seals isolate gradient coil vibrations, reducing solid-borne noise while shortening gantry length.

A power strip uses Hall effect sensors on distribution bars to measure individual electric currents flowing through each outlet circuit.

Navigator pulse sequences extract motion signals to determine patient-specific gating time offsets for magnetic resonance imaging.

Asymmetric piezoelectric motor arrangement creates unbalanced net force to boost torque while minimizing resonance and dissonance for MRI compatibility.

Modulating sensor physical parameters enables continuous fault detection during operation without adding hardware complexity.

Segmented rod concentrates MR markers to produce sharp imaging signals while minimizing tissue obscuration.

A Wheatstone bridge sensor circuit applies bidirectional bias currents to measure voltages for calculating a final corrected value.

A magnetic detection element uses a layered metal film to maintain sensitivity in compact designs.

A control unit coordinates inverse voltage and signal amplification factors, allowing ratiometric sensors to operate reliably across varying supply voltages.

Automated parameter selection for MR phase contrast flow measurements using pre-measurement analysis.

Computing a Jacobian matrix from a magnetometer array maps spatial magnetic field variations, reducing drift errors in indoor inertial navigation systems.

Cantilevered patient support table with integrated RF coil receptacles allows coil insertion without moving the patient, resolving interference in MRI systems.

Commonly oriented shim paths use single currents to suppress multiple geometrical components, resolving space restrictions in compact NMR devices.

Dual pre-scans measure phase differences in the phase encoding direction to correct MRI pulse sequences.

A gradient delay compensation apparatus determines current gradient amplitude to calculate dynamic delay values for accurate magnetic resonance scanning sequences.

Synthesizes direction-specific filter and coil sensitivity distributions to reduce streak artifacts while maintaining signal-noise ratio in MRI.

Varying B1 pulse composition across repetitions shifts SAR hotspots to different locations within the patient.

A dipole matched filter suppresses background signals in k-space data to enhance local dipole field visibility.

Segmenting the conductor into two parallel paths reduces skin effect influence, enabling precise current measurement across varying frequencies.

Controller calculates Hall-effect sensor offsets to align commutation points, resolving positional tolerance issues in final drive units.

Dynamic parameter selection adapts gradient magnetic fields to specific scanner configurations, eliminating ghosting artifacts caused by conductive objects.

Automated projection spectroscopy computes N-dimensional peak lists via vector algebra, reducing manual interaction and improving measurement precision.

Control circuitry determines forward voltages via scattering parameters to manage power deposition in MRI radio frequency coils.

A time-reversed and sign-reversed radio frequency pulse structure corrects spin errors in magnetic resonance imaging systems.

A magnetic resonance imaging apparatus acquires partial data subsets from heartbeat-triggered sequences to reconstruct stable coronary artery images.

A magnetic field sensor adjusts sampling rates based on rotation speed to maintain signal integrity.

Local digitization in the coil unit enables wireless signal transmission while maintaining high dynamic range and reception performance.

A magnetic solenoid uses a compound radius equation to shape its conductive coil.

Dynamic excitation of a Galfenol alloy beam enables accurate interface detection in moving water where passive sensors fail.