Electric/Magnetic Detection TRIZ Cases

Dual transmission systems in a local coil solve the trade-off between high data rate speed and extended transmission range for MRI devices.

A gas cell semiconductor chip assembly uses paired resistive heating loops to cancel self-generated magnetic fields.

A gradient coil checking device samples voltage and current to calculate real-time resistance values.

A local coil uses printed circuit boards with plated through-holes to connect conductor tracks on opposite sides of an insulator.

High-temperature superconducting coils reduce heat dissipation while maintaining high magnetic field strength for improved spatial resolution.

Constructing stairstep signals from superposed in-phase periodic square waves to generate logarithmic non-uniform pseudo-random electromagnetic exploration signals.

Intelligent universal wireless adapters cache field device data locally, reducing power consumption by up to 90% while maintaining monitoring reliability.

Movable spatial encoding elements track catheter movement to resolve the contradiction between stationary gradient stability and dynamic motion compensation.

A capacitance-based detector uses multiple sensor plates to identify hidden structural elements behind opaque surfaces without device movement.

Variable voltage amplitudes applied to transmit coils balance signal strength between low and high frequencies, improving detection of low-conductive targets.

Ring-shaped magnet array outside the MRI aperture creates a stronger magnetic field to attract metallic objects away from the bore.

Identical pre-curing elastomer adhesion prevents peeling and stress concentration while maintaining consistent deformation across bonded sensor layers.

Repositionable RF shims in the end ring holder vary capacitance to tune frequency without removing the coil from the MRI system.

Impedance transformer and FET isolate RF receiver coils, reducing mutual inductive coupling artifacts while maintaining high signal-to-noise ratio.

Segmented transmitter and receiver columns communicate wirelessly to synchronize phase clocks, enabling rapid deployment without physical assembly.

Ambient AC field sensors detect stationary and moving targets, overcoming static DC detection limitations.

A slow-MAS probe rotates biological samples at the magic angle to suppress line broadening via a 1H-PASS pulse sequence.

A dual-transmission coil measuring device detects metallic objects by minimizing the AC component of differential voltage.

A single-layer RF coil array resonates at different frequencies for transmit and receive modes using mutual inductance and PIN diode switching.

A decoder and RF switch control unit connect multiple coil elements to fewer coax pins, increasing the number of RF channels to improve signal-to-noise ratio.

Replacing bulky active sonar with a lightweight perovskite nickelate sensor reduces energy consumption while maintaining high sensitivity for marine monitoring.

A stacked coil configuration with independent conductive layers achieves high signal-to-noise ratio and uniformity across varying load conditions.

Dynamic change limits derived from baseline measurements ensure reliable metal body detection across varying test object properties.

Priority-based buffering manages wellbore data transmission through wired drill pipes, overcoming limited bandwidth in conductive formations.

A polypropylene strip with a ring magnet detects hidden wall studs through magnetic attraction.

Integrates omnidirectional and gradient antenna arrays into a single node assembly to detect buried objects with high sensitivity.

A proximity sensor controller compensates detection signals using time series analysis to stabilize measurement accuracy.

Inverse-consistent non-rigid registration decouples motion estimation from reconstruction to eliminate artifacts without sacrificing image efficiency.

Standardized test bodies with barcodes automate foreign body detection device calibration, eliminating manual documentation bottlenecks.

An asymmetric birdcage RF coil design adjusts spacing from the shield to reduce electric power consumption while maintaining a wide bore size.

A resonating element coupled to a determining circuit detects metal object position via oscillation energy changes.

Dynamic frequency adjustment moves spurious noise harmonics outside the MRI imaging bandwidth, reducing interference while maintaining stable power delivery.

Fast switches drive planar gradient coils to reduce bio-effects and acoustic noise by shifting sound frequencies above the human hearing range.

On-coil switched mode amplifiers use digital control to drive parallel transmission, resolving isolation and complexity issues in MRI arrays.

A metal detector processes labeled test and product signals to update its evaluation algorithm.

Cryogenic cooling of an HTS transceiver array eliminates specialized coil swaps, maintaining high signal-to-noise ratio while imaging any body part.

Multi-component induction logging systems use selected frequency inversion to estimate formation properties efficiently.

Segmented ring arrays improve signal-to-noise ratio for hand imaging while reducing tissue interference and positioning errors.

Capacitive interruptions in ring segments tune dual frequencies within a birdcage resonator, eliminating bandstop filters to maintain field homogeneity.

A mobile terminal uses dual Hall sensors and a magnetic element to detect camera attachment modes without modifying the device exterior.

A balanced mixer converts high-frequency MR signals to lower intermediate frequencies via a diode array.

An electrically isolated shield member and magnetic resonator compensate for magnetic coupling interference in portable detection systems.

Segmenting survey areas into discrete blocks with dynamic parameters improves measurement precision while managing processing complexity.

Alternating magnetic moments cancel industrial grid noise to improve spatial resolution.

A capacitive sensor array detects foreign objects within media stacks using clamping plates with electrode pairs.

Segmenting excitation and detection reduces specific absorption rate while maintaining signal-to-noise ratio in ultra-high-field MRI systems.

A compensation method synchronizes cold head motion with auxiliary sensor data to apply corrective signals for superconducting magnets.

Segmented saddle and loop elements resolve the contradiction between heavy bulky designs and lightweight flexible cardiac thoracic vascular imaging.