Electric/Magnetic Detection TRIZ Cases

A coil control device uses a DC-DC switching converter to regulate power delivery for MRI systems.

A metal detector coil uses spacers to create voids within potting material, reducing weight while maintaining structural stiffness.

Regulating two transmitting coils suppresses reinforcement bar interference, enabling precise detection of specific metallic objects behind unwanted metal.

A T/R switch manages back-EMF decay duration to synchronize coil current and voltage to zero for earlier signal demodulation.

A detection device uses an energized sample to sense target materials via mutual forces.

Merging drive and sense circuits into one unit reduces device complexity while maintaining measurement precision for accurate physical condition monitoring.

Shock-absorbing cables suspend orthogonal receiver sensors to isolate them from mechanical vibrations, reducing noise and enhancing data resolution.

A field-sensitive switch detects unplugged RF coils by sensing magnetic fields to generate operator alerts.

Bit-mapped graphical displays present multi-frequency amplitude and VDI plots to resolve information loss in traditional fixed-segment metal detectors.

Geo-satellite signals stabilize the MRI master clock, reducing F0 recalibration time and isolating drift sources during examination.

A modular MR probe head uses a detachable coupling to separate the preamplifier from the detecting device for universal reuse.

Actuators move magnet components to generate dynamic gradients, resolving fixed gradient velocity limits in one-sided MRI systems.

Segmenting the control path with a formally verified intermediary prevents harmful gradient fields while reducing system complexity.

Transmitter-side diversity switches active antenna paths to bypass shielding interference and preserve image quality in magnetic resonance imaging.

A radiofrequency antenna system computes channel Q values from reflected signals to estimate specific absorption rate.

Extending the local RF coil resonance circuit outside the gradient coil increases insertion space by eliminating the internal shield layer.

A cryogenic probehead cooler connects liquid nitrogen from the main cryostat tank directly to the NMR probehead.

A notch filter removes adjacent EAS transmitter interference from metal detection receivers.

A locator uses magnetic field sensors and a digital signal processor to isolate alternating current components at two frequencies.

Dividing MR data into scan plane orientation groups and generating unaliasing coefficients resolves aliasing artifacts caused by subject motion during 3D scans.

An MRI radio frequency receiver uses a digital down converter and optical interface to eliminate galvanic wiring coupling effects.

Segmented jaws with orthogonal cores emit antiphase fields to minimize air-coupled interference and magnetic losses during buried utility location.

Reference objects enable continuous B1+ amplitude monitoring, reducing calibration time and hardware complexity.

Perpendicular antenna arrangements geometrically decouple magnetic and electric field components, lowering local SAR hotspots at high field strengths.

Inverse transfer function segmentation isolates target signals from mineralized ground noise, reducing false positives in non-uniform mediums.

A multi-layer terminal board eliminates spatial interference in folded gradient coils, reducing manufacturing complexity and AC loss.

A stacked phased array coil arrangement cancels mutual inductance between overlapping elements to boost signal-to-noise ratio and imaging penetration.

Segmenting k-space allows separate processing of calibration and imaging data, resolving computational efficiency bottlenecks in combined MRI reconstruction.

A wearable locator system transmits directional audio cues through garment-mounted speakers to guide operators toward buried utilities.

Exterior housing mounting positions capacitive sensors closer to detection targets, reducing electromagnetic interference from internal metal components.

A capacitive detection system uses a wire structure in sealing devices to generate alternating fields for precise object presence monitoring.

Automated positioning of a local shim coil resolves manual adjustment complexity while improving magnetic resonance imaging quality.

A mobile detection unit identifies buried conductive structures by sensing electromagnetic fields emitted from an alternating current source.

Multiple transmission modes combine response signals to reduce diffraction shadows and artifacts in high-field magnetic resonance imaging.

Correction method subtracts probe transition interference using earth conductivity to improve water-bearing structure detection accuracy.

Static magnetic field sensors replace imaging sequences for precise coil localization, eliminating time spent acquiring overview images.

An NMR probe integrates a thermoelectric cooling element with an RF flux line conditioner to manage sample temperature and align electromagnetic fields.

Passive compensation coils magnetically couple with the thermal shield to cancel eddy current distortion from mechanical vibrations.

Maxwell-like coils and focusing magnets maintain linear accelerator functionality while reducing dose distribution perturbations.

Fixed reference potential on electrical wires reduces noise and compensates for anomalous variations in real time during marine electromagnetic surveying.

A spatial interpolation method estimates elevation using LiDAR data from secondary points within a masking zone.

Segmenting the inductor and capacitor carriers into interchangeable modules reduces research and development time while maintaining manufacturing precision.

A power amplifier component uses switching devices to reconfigure connections between body and head coils.

Local pixel updates resolve survey gaps without reprocessing entire datasets, reducing measurement time and cost.

An inductive sensor samples interaction values from galvanic current responses to detect batteries inside sealed device enclosures.

A cooking appliance control unit coordinates induction targets to reduce acoustic coupling noise.

Dual-coil magnetic sensor probes cancel flight-induced noise interference, enabling deep mineral resource exploration in complex terrain.

Digital in-phase and quadrature components synthesize a compensation signal to cancel coil imbalances, eliminating noise from complex analog circuits.

Hollow MRI RF coil uses uneven meander spacing to expand internal bore volume.

A touch panel processor calculates transmitter signal periods to schedule detection events.