Sensors TRIZ Cases

Frequency-modulated eye pattern assessment improves remote refraction accuracy while avoiding over-prescription from conventional depth of focus screening.

A dual-path radar separates moving-object and stationary-body detection to keep human tracking accurate when motion stops.

An expandable left atrial appendage occluder adds an integrated sensor to seal the appendage while monitoring thrombus formation in real time.

Organic-acid-treated blood spot paper and optimized extraction reduce contamination and improve heavy metal quantification from dried blood.

Objective NNS-STI analysis turns pacifier pressure samples into a quantitative measure of infant suck stability and oromotor development.

Semi-annular ring electrodes increase finger skin contact for more accurate ECG and EDA sensing while keeping the wearable compact.

Temporal and morphology checks separate true R-waves from P-wave and T-wave oversensing, reducing false arrhythmia detection and unnecessary shocks.

Adaptive filter coefficients detect sensor faults and interference in physiological monitoring without auxiliary currents, cutting power use.

Independent base, middle, and longer distal finger compression increases capillary flow and helps collect enough blood for testing.

Phase-based analysis of AC-excited magnetic signals separates two magnetic particle types that conventional harmonic detection cannot distinguish.

A film-covered reference layer and trimmed electrode structure improve analyte measurement accuracy by limiting degradation and sensor variation.

Multispectral optical sensing and ion detection enable accurate diabetes screening without blood sampling, calibration burden, or delayed self-monitoring.

Integrated wrist sensors capture EKG, blood pressure, pulse, oximetry, and respiration for continuous monitoring, alarms, and remote review.

Segmented conductive frame regions enable multi-signal biometric sensing while preserving waterproofness, durability, and wearable design flexibility.

MRF-based M0 and T1 mapping with coil sensitivity correction enables fast, accurate brain free water quantification for neurological monitoring.

A neural network adjusts photodetector bias in real time to cut power use while preserving signal quality in heart rate and SpO2 sensing.

A phase-shifted flip-back pulse boosts fluid longitudinal magnetization, improving 3D STIR contrast while shortening MRI acquisition time.

Auricular EEG, EOG, and ear-canal pulse oximetry improve sleep stage classification and apnea detection without cumbersome polysomnography.

A curved hollow electrode stores conductive liquid and dispenses on skin contact to enable self-application, stable signals, and puncture prevention.

An inward-push cam charging mechanism retracts the lancet carrier in a compact lancing device, enabling easier one-handed use.

Captured audio, motion, and local context are analyzed to estimate hearing loss and apply frequency compensation without clinical tests.

Separate feeding, venting, and monitoring lumens let premature infants receive continuous nutrition while gas escapes to reduce abdominal distention.

Different spring constants and force sensors separate fit pressure from muscle bulging, enabling more accurate wearable muscle hardness estimation.

Daily sleep patterns are compared with past sleep data to set game lottery parameters, creating personalized progression without rigid sleep targets.

Physiological-state-based correction recalibrates multi-analyte sensors to limit cross-talk and drift, improving glycemic event prediction.

End-of-phase points and PCA correct sloping baselines in multi-wavelength PPG, improving heartbeat segmentation and biometric monitoring.

On-body analyte sensors store and validate readings before user-triggered transfer, cutting power use and avoiding data loss from unsynced access.

Auto-positioned neck and pelvis vibration sensors measure carotid-femoral pulse timing without large imaging machines or radiation.

Sensors detect respiration and muscle activity so timed focal pressure can counter intra-abdominal forces and improve hernia prevention.

A conditional GAN generates PET-MRI fusion images from MRI alone, avoiding separate PET scans, radiation exposure, and alignment errors.

Filters contactless heart IBI signals using thresholds and sequence-based comparisons to reject artifacts and improve in-cabin measurement accuracy.

Built-in sebum-dissolving flow channels clean the scalp at the electrode site, improving weak PSG signal capture while cutting prep time.

Time-dependent alert thresholds track expected recovery after discharge, reducing false alerts while improving detection of deterioration.

Layered conductors and internal ferromagnetic material cut MRI magnet power demand while preserving field homogeneity and simpler support structures.

Daily sleep data is compared with past patterns to set lottery-based game parameters, adding personalized variety without rigid health targets.

Nonlinear sigmoid scaling suppresses EP velocity outliers and highlights intermediate wavefront patterns for more accurate arrhythmia mapping.

Controlled skin heating boosts antigen uptake through intact epidermis, enabling faster epicutaneous immunotherapy and rapid immune evaluation.

Separate inhalation and exhalation paths with one-way valves and filters cut cross-contamination while supporting analyte concentration.

Form-specific ECG analysis switches between wavelet and cumulative area methods to improve T-wave onset accuracy and speed.

Adaptive signal processing uses signal strength index feedback to improve blood oxygen and pulse readings when perfusion is very low.

Alternating pulsed red and infrared light in time-divided readout periods prevents photocurrent overlap and improves SpO2 accuracy.

Boundary values are predicted before padding, preserving edge information, reducing ringing, and improving downstream signal processing.

A four-electrode multi-frequency layout improves extracellular fluid measurement while combining ECG signals for real-time cardiac assessment.

Interwoven conductive threads in an ECG strap disperse clothing-generated static to the body, shielding electrodes and improving signal-to-noise ratio.

Integrated weaving adds waterproof electrical isolation to a heart rate strap, blocking sweat-induced conduction while preserving ECG signal quality and comfort.

A reconfigurable oximeter housing accepts interchangeable receptacle covers to retain sensors of varying dimensions securely.

A controller calculates specific absorption rate using measured signal ratios from the head and whole object.

Segmentation and extraction principles enable continuous uterine monitoring without immobilizing the patient, resolving mobility constraints.

Sparse k-space sampling with error-minimizing algorithms corrects motion artifacts and boosts frame rates up to 10 frames per second.

A perfusion index smoother calculates baseline values during high signal quality to filter noise-induced errors.

Flexible stretchable RF coils with distributed capacitance conductors improve anatomical coverage and signal-to-noise ratio while reducing bulkiness.

Small-area RF probes deliver selective currents to activate nociceptors, replacing thermal methods that require bulky safety equipment.

Computing device customizes help information using EEG-detected cognitive states to match user understanding levels.

Segmenting the antenna from the skin-contact zone resolves the trade-off between measurement accuracy and wireless communication range.

A wearable bracelet tracks user location via GPS signals and transmits distress alerts to emergency services.

Wenner electrode arrays with optimized widths measure bio-impedance to resolve contact state deviations and improve measurement accuracy.

Deep learning filters environmental noise from radar spectrograms to improve heart rhythm detection accuracy without complex manual signal processing.

Multi-order sampling circuit isolates ambient light from detection signals, resolving the trade-off between filtering precision and hardware complexity.

A microwave resonator system detects blood glucose levels through skin contact using electromagnetic frequency shifts.

Segmented wearable devices monitor multiple entities simultaneously, resolving the trade-off between measurement precision and system complexity.

Segmented MR coil elements allow transcranial magnetic stimulation through the imaging device, resolving low signal-to-noise ratio issues in combined studies.

Flexible organic light emitting diodes and photodetectors enable reflectance blood oxygen monitoring on curved body surfaces, reducing motion sensitivity.

A posture monitoring device uses elastic resistance elements to measure mechanical strain and transmit data for real-time analysis.

A hand-held folding device integrates electrodes into a pivot mechanism for stable chest contact.

Chocolate dessert matrices mask allergen taste and texture, enabling accurate double-blind diagnosis without distinguishable sensory differences.

Absorption material dissipates electromagnetic energy to reduce radio frequency heating at external fixation device pin tips.

A skin conductance sensor measures electrical properties to detect user discomfort from light exposure.