Sensors TRIZ Cases

Movable antenna coil arrays adjust laterally on a base plate to immobilize breast tissue during magnetic resonance imaging scans.

Multi-channel MRI RF coil reduces noise correlation by routing opposite currents through adjacent subcoils, intensifying electric fields in the subject space.

Digital volume plethysmography measures blood flow changes to guide compression pressure adjustments.

A radar and RGB IR imaging sensor fusion system detects infant presence and vital signs through digital signal processing.

Merging RF antennas and mechanical oscillators into one housing reduces cabling complexity while improving imaging precision.

An imaging support apparatus displays patient posture information to assist technologists in positioning subjects for magnetic resonance imaging.

Segmented adhesive regions with porous backing reduce skin irritation while maintaining measurement accuracy after repeated removal.

A personality type recognizer selects a tailored machine learning model from a pool to generate personalized guideline information.

Segmented needle parts project sequentially to minimize tissue squeezing, reducing pain and blood flow blockage during skin penetration.

A detection system segments user behavior patterns to generate accessibility profiles for interface evaluation.

Integrating vectorcardiography with multi-frequency impedance rheometry resolves the trade-off between measurement precision and device complexity.

A bioelectrical signal monitoring method calculates human body impedance using a constant frequency noise signal superimposed on the right leg drive electrode.

Blood flow velocity acquisition determines CE-MRA scan trigger timing, eliminating manual operator dependency and ensuring consistent image quality.

Calibrated digital filters minimize time-domain differences between ECG channels, suppressing common mode interference and improving signal accuracy.

Opposite K-space populating orders equalize signal amplitudes, reducing blurs and improving contrast at image edges.

Dual-surface strap electrodes enable bioimpedance measurement in a wrist-wearable device, resolving the trade-off between wearability and accuracy.

A lancet cartridge uses a visible shaft to indicate usage status while keeping the pricking tip protected inside the holder.

A wearable EEG monitor uses stimulus-response detection to validate electrode signals without skin preparation.

Time-integrating sole load data improves measurement accuracy for shoe wearables, resolving the trade-off between portability and precision.

A fingerstall oximeter uses a split housing and silica gel lower chamber to surround the finger for measurement.

Segmenting the diagnostic instrument from the mobile communication device reduces weight while maintaining accuracy for remote telemedicine.

Merge individual channel pre-scan data into a weighted common phase correction value to prevent folded artifacts caused by SNR differences.

A multi-region CMOS sensor detects heart rate and blood sugar using distinct visible and infrared light wavelengths.

Stretchable resistive wires in a sock-like device measure leg circumference to estimate volume, addressing cumbersome manual edema monitoring.

A wearable telemetry system integrates piezoelectric, optical, and pressure sensors to capture real-time driver biometric data.

Replacing invasive sensors with Wi-Fi sensing resolves the trade-off between measurement precision and device complexity.

Joint reconstruction model estimates B0 map to correct distortions, enabling rapid single breath-hold liver parameter mapping.

High-frequency array coil with extension conductor control circuit adjusts reception frequency to enhance signal detection efficiency.

Analysis module selects pre-trigger duration based on trigger criteria to capture onset and offset of abnormal conditions while balancing data storage costs.

LED light source inside radiation tube marks irradiation area, preventing cone-cut phenomena and reducing radiation time.

A neuromuscular transmission monitoring system calculates train-of-four ratios to predict patient recovery time.

Interferometric eyelid monitoring calculates oxygen saturation to resolve accuracy losses from cold temperatures and poor extremity perfusion.

A computer system calculates a Fetal Reserve Index score from heart rate and uterine activity signals to provide objective risk assessment.

A disposable interface couples biosensors to wearable electrodes using distinct conductive and non-conductive portions.

Wavelet transform decomposition segments ECG signals to isolate and remove noise artifacts from dry electrode recordings.

A transformation protocol maps nuclear spin tomography reference data onto computer tomography reference sets to generate virtual CT datasets.

Segmented electric dipole antennas and magnetic shields resolve the contradiction between high signal-to-noise ratio and structural complexity in MRI.

A cardiac monitoring system correlates electrocardiogram data with blood flow measurements to classify pulse segments and calculate an arrhythmia severity index.

Inductive sensors track breathing volume and frequency, triggering alarms only after multiple apnea events to reduce unnecessary wake-ups.

A biological information detecting device uses multiple light receiving portions to capture distinct signal characteristics for accurate pulse wave measurement.

A gait evaluation system combines pressure detection with limb sensing to assess walking patterns.

A patient monitor integrates a glucose strip reader dongle to display blood sugar levels alongside standard vital signs.

Elastic adjustment element distributes pressure across flexible side bands, resolving fit issues for reliable sleep EEG signal acquisition.

A wearable blood glucose detector uses near-infrared light to measure arterial reflectivity for noninvasive monitoring.

A radar uroflowmeter measures urine flow velocity and volume using electromagnetic echo signals.

A vibration sensor mounted on a commode exterior detects mechanical signals to characterize urinary episodes.

A medical imaging system positions a rotating radiation unit outside the magnet housing to emit energy through a transparent region.

Work surface electrodes detect user contact to trigger physiological measurements, reducing energy consumption by avoiding continuous sensor operation.