Magnetic Measurements TRIZ Cases

Adjustable sensor arms and modular detector assemblies resolve the trade-off between magnetic field strength and passage capability for large diameter tubulars.

Merging side shields with bias application suppresses adjacent track noise while maintaining single domain free layer linearity.

XYZ magnetic sensors analyze amplitude and phase data to locate singular points in buried metal, resolving measurement errors from secondary induced fields.

A helical winding uses two optical fiber cables twisted in opposite directions around a central core to maintain stable mechanical assembly.

A preparatory pulse sequence diffusion weights longitudinal spin magnetization to reduce image artifacts in magnetic resonance imaging.

Selective IMD exposure mode configuration prevents tissue heating and improper therapy delivery during MRI scans.

Angled uniaxial anisotropy in trilayer stacks stabilizes magnetic properties to maintain sensing accuracy as sensor volume shrinks.

Field-shaping elements reduce radial field components at HTS coil ends, increasing critical current and enabling stronger magnets.

A composite free layer structure modifies the FL1 surface via weak plasma etch to enhance magnetoresistive performance.

On-coil current-mode class D amplifiers reduce power loss and interference to improve synchronization in high-field parallel transmission MRI systems.

A shim coil matrix generates desired magnetic fields through spherical harmonic terms, resolving inhomogeneity and geometric distortions in MRI imaging.

A 3D MRI method corrects slice-direction distortion using selective cross-section excitation and phase encoding.

A magnetic field sensor integrates error detection circuitry to monitor output signal pulses and direction signals during operation.

An AMR angle sensor uses an isolated outer perimeter of magnetic material to reduce shape anisotropy in serpentine resistors.

Internal diagnostics using time-multiplexed signals enable continuous magnetic sensing while autonomously detecting faults without external intervention.

A current sensor uses a bent conductor path to position magnetoresistance elements on an imaginary flat plane.

Varying coil element sizes accommodate asymmetrical fields of view, reducing noise amplification during parallel acceleration.

Temporal displacement of RF pulse intervals relative to the cardiac cycle enables high-resolution heart movement movies with consistent T1 contrast.

Back edge bias structures extend beyond sensor sides to equalize free layers while reducing gap thickness.

Radially aligned magnetoresistive sensors in a circular array detect magnetic flux leakage, eliminating shielding complexity while enhancing spatial resolution.

A magnetic resonance apparatus interrupts continuous patient travel to enable controlled breath-hold periods during data acquisition.

Adjustable stiffness in the support member suppresses electromagnetic forces from misalignment.

Actuator arms guide slider engagement with test socket clamps, eliminating misalignment errors during coupling.

A diffusion tensor color map image generating device allocates uniform colors to pixels along tracked fiber tracts.

A high-throughput NMR relaxometer measures borehole core samples using switchable magnetic gradients to define precise sensitivity volumes.

A compass sensor detects magnetic field intensities to determine the charging region for wireless power transfer.

Offset magnetic field sensors on a multipole ring perform differential measurements that subtract external leakage fields from the steering shaft signal.

Mechanical fasteners replace welding to resist shock and vibration, maintaining precise detector positioning for accurate current measurement.

Differentiation and filter units process current signals to compensate for magnetic coupling, preventing pulse deformations in MRI gradient coils.

A metal detector transmitter maintains constant magnetic flux using a closed-loop system that applies corrective signals to counteract parasitic effects.

A matrix antenna arrangement uses capacitive elements to decouple diagonally adjacent loops.

Different slice select gradient amplitudes for excitation and refocusing pulses maintain fat suppression reliability despite B0 field inhomogeneities.

Transmissive MRI RF coils use aluminum sections to maintain imaging functionality while eliminating radiation artifacts.

A tunnel magnetoresistance position sensor uses specific element patterns to reduce signal distortion.

An optimized tunnel barrier layer composed of a non-magnetic oxide reduces lattice mismatch to maintain high magnetoresistance ratios at elevated bias voltages.

A compact magnetic structure with poles spaced less than 30 cm apart generates a static field of 0.05 to 0.3 Tesla.

Orthogonal shield magnetization via exchange coupling eliminates leakage fields that cause erroneous writing and demagnetization.

An optical system measures glucose concentration in human tissue by detecting changes in the orbital angular momentum of light beams passing through the sample.

Segmented magnet sections with displaced orientations generate varying magnetic flux concentrations for precise rotational angle detection.

Stacked free layers with opposite magnetostriction coefficients enable simultaneous compressive and tensile strain detection without complex magnetic biasing.

A magnetic sensor uses a bridge circuit to suppress noise and enhance sensitivity.

Asymmetric loop orientation at 45 degrees cancels Lorentz force torques and induced voltages, preventing vibrations and heating in MRI systems.

A dual-layer magnetic oscillator generates high-output spin waves via perpendicular current injection.

Resonant dipole antennas stabilize heartbeat and respiration detection by avoiding magnetic resonance interference.

An N×N array of orthogonally aligned Hall-Effect devices images magnetic fields as full vector arrays without relative motion.

A region-of-interest mask isolates vascular structures to de-alias aliased angiograms generated by parallel imaging techniques.

An MRI coil unit merges patient stabilization and coil fixation using an adjustable belt, resolving abdominal imaging instability.

A system control unit calculates adapted flip angles for magnetic resonance refocusing pulses based on magnitude integrals.