Sensors TRIZ Cases

A hydrogel dressing with a pH-indicating dye turns wound pH shifts into visible color changes for earlier infection detection without equipment.

Integrated EEG, PPG, and stimulus delivery improve ERP timing accuracy without external equipment for mobile cognitive testing.

Machine learning adjusts peripheral nerve stimulation in real time to reduce tremor amplitude without brain surgery or drug side effects.

Under-mattress sensors capture HRV without skin contact, then automate interpretation to improve performance tracking with less irritation.

Active thermal control and feedback-calibrated flashes improve wavelength and luminance accuracy while limiting unsafe light exposure.

A transparent layer over surface-mount LEDs and detectors spreads skin pressure while preserving light transmission for patient monitoring.

Parallel port and connecting-line alignment avoids kinking, simplifies sealing, and keeps respiratory flow measurement compact and accurate.

A segmented display layout balances transmission-region sizing and element spacing to preserve under-screen sensing while reducing visible defects.

Signal feature correlation aligns physiological data from separate monitors to a common time base for accurate shared metrics.

By separating bathing and non-bathing periods, this case improves heart failure assessment from SpO2 and pulse changes while avoiding false detections.

hdEEG-guided brain network training improves personal neuromorphic emulation fidelity while managing model complexity and data load.

Correlation of radar amplitude and phase changes separates human reflections from vibration-induced clutter for more accurate vital sign detection.

Serial ECG analysis and cloud access help distinguish cardiac from non-cardiac chest pain and reduce unnecessary ER visits.

A garment-mounted engagement feature enables repeatable sensor placement, wireless charging, and pain-free removal without wired leads.

Using electrode impedance differences, this case cancels power noise in two-electrode biopotential sensing to improve signal-to-noise ratio.

Fewer ECG leads plus machine learning predict QTc and synthesize 12-lead insight for lower-cost monitoring outside clinics.

Objective 3D analysis of saccades and vergences filters erroneous eye trajectories to support dyslexia and vertigo screening.

R and T wave fitting with cumulative distribution functions extracts myocardial activity parameters from ECG signals for more accurate heart state assessment.

Embedded conductive wires in a molded polymer body improve bioelectrode flexibility, comfort, and electrical contact during movement.

Sequential electrode sampling and reference-signal demodulation reveal skin contact quality, improving biological signal accuracy.

A virtual machine lets third-party monitoring software run across proprietary medical monitors, reducing redundant systems and missed alarms.

Integrated EEG coils detect induced voltage to track head motion and isolate signals, improving EEG-fMRI correlation during MRI.

Microcontroller switching and protection circuits control bidirectional electrode current to make wearable brain stimulation safer and more precise.

An applicator cap and sensor cap retain the adhesive liner through storage, then remove it at use to protect patch adhesion and simplify skin sensor placement.

Controlled electrode thickness, area, tack force, and coverage reduce contact noise while keeping a biological sensor stably attached to skin.

Cached backfill data lets a continuous analyte sensor system update alert states after wireless signal loss, improving alert accuracy and timeliness.

A vibrating toothbrush captures tooth-vibration audio to identify oral conditions without invasive clinical examinations and guide brushing.

Multiple transmit coils encode spatial information into spin evolution, cutting MRI scan time and avoiding separate B1+ calibration scans.

A switch-controlled headband stimulation circuit uses current sensing and protection control to keep non-invasive brain stimulation portable and safe.

Radial sweat chambers and electrowetting electrodes move discrete droplets to sensors, avoiding sample mixing and enabling faster biomarker detection.

An apron-shaped MRI receive coil uses shoulder straps and detachable belts to simplify fitting while keeping abdominal coils stable and comfortable.

Movement sensors track animal gait and activity over time to flag health abnormalities earlier than manual observation alone.

Frequency-selective blocking circuits let MR dipole antennas auto-isolate by signal frequency, simplifying multi-nucleus imaging while preserving SNR.

Electrical impedance measurements reveal gingival morphology, vascularity, and fluid buildup for precise oral health monitoring.

Dynamic switching between narrow and wide bandpass filters helps implantable devices reduce T-wave oversensing while preserving arrhythmia detection.

Lifting, sensor-specific thresholds, and run-length encoding compress BSN data at the node to reduce energy use during real-time monitoring.

A tracked endoscope overlays 3D anatomy and structure labels to guide orientation through a single minimally invasive entry path.

Video tagging is costly and time-consuming, while GPS misses ball touches; a removable IMU footwear unit automates gait and event data collection.

Estimate wrist size from a hand-and-face image by using measured iris diameter as a reference, avoiding a tape measure.

A floor-mounted load detector derives weight, center of gravity, respiration, and heartbeat without attaching sensors to the horse.

Misaligned ECG leads weaken low-amplitude pacemaker pulses; optimized synthetic leads improve detection reliability.

Instead of invasive angiography or less accurate ST-T analysis, RMS-voltage reference points assess vascular response from high-frequency QRS data.

A curved track and adjustable bite trays guide natural jaw rotation while standardizing interincisal distance measurements during MRI imaging.

Continuous end-tidal pCO2 sensing in piercing jewelry can flag apnea before oxygen saturation drops and wirelessly alert caregivers.

See how a low-Tc SQUID, flux transformer, and cryogenic cooling improve low-field MRI signal quality without magnetic shielding.

Faint His bundle signals challenge manual mapping; staged filtering, clustering, and cross-correlation tag His peaks for accurate localization.

Improper wearing can distort pulse readings; this case maps biometric reliability to color and vibration cues for clearer output.

UVB sensing and exposure-time calculation let the wearable ring estimate Vitamin D production without invasive blood testing.

Predetermined templates are adapted to each PPG pulse and morphologically compared to quantify differences and reject poor-quality beats.

Patient-specific B1+ field maps guide multi-band spokes RF pulse selection to improve excitation homogeneity across MRI slices.