Magnetic Measurements TRIZ Cases

An inverted tapered yoke surface concentrates magnetic flux on a magnetization free layer, resolving insufficient detection performance in simple structures.

A method processes multiple magnetic signals to calculate offset, sensitivity, and orthogonality coefficients for sensor adjustment.

Segmented seed layers and Hf-diffused interfaces reduce TMR read gap thickness while maintaining negative magnetostriction for reliable bit detection.

Paired reverse centric phase encoding delays k-space center acquisition to reduce saturation banding in intersecting plane MRI.

Unconstrained optimization inversion reduces noise amplification in magnetic resonance elastography data to improve tissue stiffness estimation accuracy.

An optical current sensor applies Faraday effects and active temperature compensation to maintain accuracy under electromagnetic interference.

Shielded MTJ bridge elements paired with a three-dimensional coil concentrate flux, resolving the trade-off between hysteresis and resolution.

Redundant signal paths compare front end outputs via an offset comparator to identify channel deviations, ensuring functional safety in magnetic field sensors.

Selective sensor activation reduces computational effort and power consumption while maintaining high angular position resolution.

Intermediate magnetization vectors bridge adjacent elements to maintain calculation accuracy while allowing larger mesh sizes in micromagnetic simulations.

Moving RF power cables from the coil center to the end ring outer edge reduces PET signal loss and shield currents without extra shielding.

Segmented gradient drivers reduce electrical losses and enhance pulse precision by distributing current load across interleaved units.

Individual resonators compensate displacement currents to suppress capacitive coupling, reducing subject heating without increasing system distance.

An asymmetric Wheatstone bridge circuit generates differential signals using unequal resistive legs to compensate for magnetic field imbalances.

Crossed current sensors in a gradient magnetic field power supply suppress cable crosstalk, ensuring accurate measurement and improved image quality.

A printed circuit board assembly uses a magnetic core to route current through distinct Hall effect and coil sensors for precise signal detection.

A bias adjustment unit dynamically switches voltage levels to optimize magnetic sensor performance in brushless DC motor drive systems.

A multi-slice MRI method applies pre-pulses to suppress fat signals while varying phase encode amounts across slice planes.

Interleaved Z-axis layout concentrates magnetic flux through TMR sense elements, increasing signal-to-noise ratio without raising power consumption.

A magnetoresistive device adjusts anisotropy constants to improve spin torque switching efficiency.

Transmission interference suppression antennas generate counter-phase signals to cancel excitation radiation outside the patient tunnel.

A shimming coil system generates corrective magnetic fields using principal component stream functions to define precise wiring patterns.

Lead segments coupled by transformers provide power matching for RF signals, eliminating complex networks that cause RF heating in MRI catheters.

Statistical boundary analysis identifies erroneous K-space data points for targeted replacement during magnetic resonance imaging.

Ferromagnetic resonance excitation shifts detection to high frequencies, eliminating 1/f noise and absolute field measurement limits.

A magnetic field sensor uses a compensation loop to cancel transient signals during rapid magnetic field changes.

A micro-platform supported by phononic nanowires enables precise temperature control for impedance sensing.

Segmented housing halves join around conductors to verify system accuracy and reduce replacement costs.

Segmented superconducting magnet coils use distinct ohmic resistances for inner and outer windings to manage quench events.

Differentiated k-space sampling reduces image acquisition time while preserving critical low-frequency information for vascular studies.

Segmenting the coil from the housing resolves the contradiction between precise defect location and sonde durability during flushing operations.

A two-dimensional diffusion weighted imaging gradient detects axonal fiber location and direction within tissue samples.

Removing pole pieces with stepped surfaces and shims improves field uniformity while reducing magnet weight and system complexity.

Processor detects magnetic signal magnitude to identify coupled cover devices and corrects sensor data without adding Hall sensors.

A rail contact receiving circuit superposes a transformer-tapped adjustment voltage with the received signal to maintain stable output levels.

Correction parameters for diffusion-weighted MR images are calculated from two orthogonal adjustment measurements to de-skew data.

Interferometer waveguides overlay optical signals to detect superconductor hotspots via phase shifts, preventing thermal runaways.

A simulation program calculates effective magnetic fields to model magnetization changes in magnetic substrates.

A multi-mode medical device system integrates tracking and internal imaging capabilities within a single unit for simultaneous operation.

Distributed metering devices measure field strength over distance to resolve transmission efficiency trade-offs in Zenneck surface wave propagation.

Distinct shimming parameters shape magnetic fields to suppress unwanted vessel signals without extending pulse application time.

A vibronic measuring system integrates an external magnetic-field detector to monitor environmental interference alongside Coriolis vibration sensors.

A magnetic detection device uses a substrate stopper to constrain magnet insertion depth for precise sensor alignment.

Segmented soft magnetic bodies convert vertical fields to horizontal components in a compact sensor design.

Groove-shaped recess in annular Halbach magnet minimizes field inhomogeneities, reducing weight and size without extra correction mechanisms.

Adjusting table top movement rates to match contrast agent flow velocity improves diagnostic image quality during MRI examinations.

A magnetometer calibration module uses gyroscope signals to generate parameters via Kalman filtering.

Radial screen surfaces decouple adjacent conductor loop groups to reduce specific absorption rate and improve image quality.

Segmented shield loops intercept gradient fields to reduce heat loads while maintaining MRI gradient system performance.

Segmenting the seed layer into NiFe and NiFeB regions reduces magnetostriction to maintain thermal stability of the pinned layer at high recording densities.