Magnetic Measurements TRIZ Cases

A computing unit corrects motion signal signs using receiver coil correlation coefficients.

A solid-state NMR method uses 1H-15N TEDOR pulse sequences to directly observe hydrogen bonds in RNA samples.

Segmented microstrip loops confine the radiofrequency field to specific slabs, reducing specific absorption rate exposure while maintaining signal homogeneity.

A magnetic field sensor integrates self-test circuitry to transmit diagnostic results on the output node.

Asymmetric metallization arms in a magnetic memory cell enable direction-independent programming, resolving current polarity constraints.

A low-field MRI system compares output and sample signals to identify interference components for image correction.

Processor determines calibration necessity using angular speed data to reduce power consumption by turning off the gyro sensor when unnecessary.

Applying current to a PCB coil scrambles magnetic domains in flux concentrators, reducing residual magnetization and compass offsets.

A multi-staged fingerprinting method leverages crowd-sourced magnetic and signal strength data for mobile device localization.

MRI method measures cervical vertebra axial rotation by comparing axes derived from vertebral and surrounding anatomical features.

Multi-acquisition variable-resonance image combination generates composite MR images using distinct frequency offsets.

IDEAL processing separates water and fat signals in MRI data, eliminating lipid interference that confounds standard frequency shift thermometry.

Elastic deformation of a locking arm secures a magnetic member, eliminating thermal welding costs.

Solenoidal gradient coils inside tubes reinforce magnetic fields via induced eddy currents in a cooled conductive screen.

A magnetoresistance sensor uses a misfit-reducing sub-layer to stabilize the free magnetic layer structure.

Independent control of electromagnetically decoupled resonator segments eliminates saturation pulses, reducing specific absorption rate and imaging time.

Triangular or pyramidal k-space filters estimate coil sensitivities to resolve image contrast bias in phased array MRI.

Dual Hall sensors in a blind hole distinguish magnetic bodies from external interference fields, ensuring reliable operation without housing openings.

A single superconducting switch drives a resistor ladder network connected between symmetric magnet coils to form a closed loop circuit.

An MRI apparatus wirelessly transmits nuclear magnetic resonance signals from RF coils to a controller for image data generation.

A quasi-stationary state generation unit repeatedly applies radio-frequency pulses at intervals shorter than relaxation time to establish a lower signal intensity initial state.

A non-magnetic conduit transmits visual or pneumatic signals to deaf patients, resolving communication barriers during MRI scans.

Liquid dielectric medium replaces epoxy resin to separate and cool gradient coils, eliminating partial discharge artifacts.

A folded electrical coil assembly incorporates a movable fuse element that engages the conductor to create a protective short circuit.

Segmenting conductive layers with slots minimizes eddy currents while maintaining electromagnetic compatibility protection.

A generalized linear mixed model adjusts brain functional connectivity correlation values to harmonize data across multiple measurement sites.

Integrated circuit with magnetic field sensing elements provides rotational speed and direction data through a single output port.

Temperature feedback corrects RF pulse center frequencies during extended MRI sequences, preventing fat suppression degradation from coil heating.

A magnetic field-based current sensor assembly uses integrated Hall elements and embedded processing circuitry for real-time monitoring.

A current sensor uses a selection circuit to choose magnetoresistance elements with distinct sensitivities for precise measurement.

A circular vertical Hall sensor uses an AC-coupled Gilbert cell filter to extract the analog signal from the semiconductor substrate.

Shielded dynamic shim systems use intermediary coils to cancel eddy currents and maintain image quality during real-time field compensation.

Partitioning the ky-kz plane into blades manages varying signal levels across shots, reducing artifacts in multi-shot MRI acquisitions.

A modular support structure integrates primary and secondary conductor arrangements to generate varied magnetic field geometries.

Iron nitride nanoparticles replace gadolinium to reduce toxicity while maintaining MRI contrast properties.

Segmented tracks with distinct periodicities resolve the trade-off between manufacturing cost and measurement accuracy.

A flow-through capillary advances sample segments through an RF coil to enable rapid pulse sequence repetition.

A ferromagnet tunnel barrier contact detects spin polarization in topological insulators by projecting surface state spins onto a magnetic axis.

Multiple Hall element pairs at distinct angles combine signals to correct rotation errors from external magnetic fields in vehicle applications.

Positioning paramagnetic and diamagnetic articles corrects magnetic field inhomogeneities, reducing image artifacts.

A compensation computing unit generates gradient pulses to cancel eddy currents in magnetic resonance sequences.

Respiratory and cardiac gating synchronizes high-field MRI pulse sequences to visualize individual amyloid plaques without contrast agents.

A multiferroic surface acoustic wave antenna converts electromagnetic waves into mechanical oscillations via magnetoelastic resonators.

Shimming multi-channel transmit coils before sensitivity map acquisition prevents signal voids and ghosting artifacts in high-field MRI.

Pole shoes with openings concentrate magnetic flux at mid-sections, enabling accurate rope condition detection without manual installation.

An optical fiber replaces conductive lines to eliminate RF-induced heating while maintaining device visibility and temperature measurement capabilities.

A retractable current lead assembly establishes electrical connections at ambient temperature inside a vacuum chamber.

Active or passive force balancing coils cancel radial forces on MRI gradient assemblies, reducing vibration and acoustic noise that cause Helium boil-off.

Distinct free layer shapes tailor output slopes for magnetic sensors.

A model-based process estimates statistically optimal correction coefficients from multi-channel k-space data in reverse readout echo planar imaging.