Sensors TRIZ Cases

An ECG sensor array measures voltage and signal-to-noise ratios to generate a graphical map for cognitive state assessment.

A smoothing filter creates a difference signal from cardiac electrical activity for tachycardia detection.

A 3D stimulated echo planar imaging method acquires k-space data using diffusion-prepared driven-equilibrium preparation.

Spaced optical components in a wristwatch reduce crosstalk while maintaining mobility, overcoming finger sensor constraints.

Electrodermal activity sensors detect physiological signals to determine objective pain levels, reducing reliance on subjective patient reports.

Sensor-based control module translates body input into proportional prosthetic movement, resolving jerky motion from inefficient signal processing.

Simultaneous biosignal sampling across multiple channels generates wide-band phase gradient data streams for high-resolution analysis.

A compact ankle ergometer uses a rigid plate and 3D force sensor to measure joint forces.

Expanding a dynamic contour along the surface of an electroanatomical map reduces selection time while maintaining precision for dense marker clusters.

A nuclear magnetic resonance apparatus applies a variable interval pulse train to generate distinct spin echo intensities.

A biological signal analysis device segments trigger information to isolate brain activity responses from measurement noise.

A dynamic electrical stimulation system adjusts frequency based on real-time EMG feedback to provide sustained pain relief.

Segmented spectral testing evaluates sunscreen protection against visible light and UVA1 radiation, resolving insufficient efficacy assessment gaps.

Reciprocating spin motion of a capillary cannula reduces tissue deformation and pain while maintaining continuous blood flow for efficient collection.

Segmentation and extraction principles enable a processor to filter ambient interference from skin diffusion data for accurate compliance monitoring.

A glucose sensor system uses electrochemical impedance spectroscopy to assess electrode stability and enable autonomous calibration.

A large area wet gel electrode with a contact region of 370 to 1600 square millimetres improves signal-to-noise ratio for abdominal fetal heart rate monitoring.

Biometric monitoring system uses antenna-impregnated fabric to detect subject length via transmission coefficients.

A contactless disease detection system fuses thermal, radar, and visible imaging data for rapid physiological monitoring.

Asymmetric pin and groove mechanism constrains mutual orientation of separated measurement modules for stable physiological data acquisition.

Stimulated echo sequences acquire B1 maps rapidly using FID signals.

A magnetic resonance imaging apparatus modulates the inversion RF pulse phase to suppress free induction decay signals during parallel imaging sequences.

A signal processing system generates differential signals from time-shifted sensor data to determine object properties.

Optical depth sensing detects chest wall motion to identify apnea events, triggering stimulation signals that improve preterm infant health outcomes.

Segmenting the device into reusable and disposable parts simplifies battery replacement while maintaining waterproof integrity.

Hollow tubular textile fibers filled with fluid simulate brain tissue diffusion properties within a modular MRI phantom structure.

Thermal insulation isolates the temperature sensor from processor heat, resolving measurement precision issues in compact medical monitoring devices.

Periodic activation via sweat detection reduces average power consumption, extending battery life and minimizing device weight.

Capacitive sensing replaces invasive methods to enable continuous, high-throughput monitoring of subjects in home-cage environments.

Compressible absorbent plate releases liquid to bridge conductive spikes and skin, improving signal-to-noise ratio on hairy animals.

A magnetocardiographic method calculates magnetic field monopolarity to quantify deviations from dipolar shape during the ST-T segment.

A remote patient monitoring system uses interactive voice recognition and mobile interfaces to collect health data from ambulatory patients.

A handheld makeup applicator uses sensors to generate a 3D facial map and provides haptic feedback for precise application guidance.

Image-based system predicts patient pressure scores for specific contact regions to guide targeted care interventions.

A contactless sensor system merges face and hand plethysmograph signals to estimate vital signs without physical contact.

An implantable medical device enables continuous physiological data collection via a dedicated mode.

Optical heart rate estimation combines motion sensor data with spectral analysis to remove movement artifacts and improve accuracy.

Series resistors in shielded ECG lead cables attenuate high currents flowing through cable capacitance.

A wireless ECG sensor dynamically adjusts its data transfer rate based on detected gradient signal activity to optimize power consumption.

Floor board with magnetic shielding processes isolates MRI units to suppress noise radiation while reducing installation costs.

A medical system links patient information to lesion images via operator authentication units.

A blood glucose measurement device uses light propagation through tissue to detect hemoglobin concentration changes.

Biometric sensors embedded in personal protective equipment detect physiological signals to verify proper wear and identity.

RF phase tagging separates simultaneous multi-slice signals to reduce noise amplification and aliasing artifacts.

Cloud processing eliminates tremor and posture artifacts from wearable impedance data, improving measurement reproducibility.

A wearable device detects surrounding sounds to determine operation modes for noise cancellation and volume adjustment.

Force sensor measures applied weight to drive proportional visual signals, resolving the trade-off between measurement precision and device complexity.