Sensors TRIZ Cases

A medical image diagnosis apparatus derives subject-specific regression models to synchronize data acquisition with cardiac cycles.

A video processing unit derives baseline and pulse wave amplitude changes from captured body imaging to identify physiological states.

A hearing device segments biometric data processing to reduce energy consumption.

Bandpass and Kalman filters isolate cardiac and respiratory signals from magnetic interference without extra sensors.

A liquid helium cooling system for MRI scanners uses a dual-timetable control to switch between power-saving and standard operating modes.

An ambulatory cardiac device uses ECG and motion sensors to initiate exertion tests based on patient heart rate.

A photoacoustic system detects acoustic pressure signals from blood vessel constituents to determine hemodynamic parameters.

Flexible spring-loaded arms in this bow-shaped pulse meter maintain electrode contact, resolving the contradiction between rapid measurement speed and accuracy.

An apparatus extracts an anesthetic depth index from epoch-divided EEG signals using modified Shannon entropy calculations.

Microwave Doppler radar processes biometric signals using Fast Fourier Transform to isolate periodic components from random noise.

A machine learning system combines cognitive evaluation results with wearable biosignal data to derive user-specific ADHD models.

Concentric hollow cylindrical portions guide insertion while ridged protrusions prevent rotational misalignment during oblique mounting.

A rotating optical wearable tracks limb circumference changes to measure interstitial fluid volume.

A glucose meter inhibits stored analyte concentration display upon sensor insertion to show only current readings.

An implantable subgaleal electrode array detects brain electrical signals through integrated reference and ground elements.

Magnetic resonance thermometry segments examination regions to apply distinct phase shift determination methods.

A compact catheter-connected device uses a siphon and pump to transfer pre-established urine quantities for automatic electrochemical analysis.

Pneumatic piston cylinder array generates resistance via compressed air pressure differential.

A tiltable head coil uses a pivot joint and latching pin to adjust angles.

A magnetic resonance imaging apparatus uses a single transmit and receive system to detect signals from hydrogen and other nuclides by switching static magnetic field states.

Piezoelectric sensors embedded in the hydrogel substrate measure pressure changes from swelling to monitor eye hydration levels and provide real-time feedback.

A bilateral brain coordination system uses segmented activity units to enhance motor skills through simultaneous extremity tasks.

Insulative member covers conductive wires near the probe tip to prevent adjacent wire contact.

A nuclear medicine imaging system determines sweep offsets and yaw angles for detector units using center of gravity measurements from point source projections.

A single hydrogel layer conducts electrical signals while adhering to the scalp.

Search and locked modes initialize a narrow band-pass filter to stabilize pulse rate calculation despite motion artifacts.

A modular sensor kit separates the disposable sensing element from reusable control and communication modules to maintain a compact wearable form factor.

Frontal EEG delta-to-alpha ratio analysis detects cerebral hypoperfusion during anesthesia, resolving inadequate accuracy of mean arterial pressure monitoring.

Local brain wave collection device uploads data to cloud for real-time comparison, eliminating hours of analysis delay.

Integrated metal oxide gas sensors detect breath ketones within a compact portable device housing.

A semi-automated non-contrast MRA system detects patient anatomy using scout images and histograms to position pulse regions.

An orientation sensor aligns a 3D reflected wave measuring device to correct height determination errors from arbitrary installation angles.

Simultaneous orthogonal plane imaging acquires static and orthogonal slices to enable real-time motion tracking during magnetic resonance procedures.

An artificial neural network model predicts heart rate from photoplethysmogram signals using convolutional and fast Fourier transform layers.

Restricting magnetic piece polarity during computation reduces arrangement amounts by 65% while maintaining static magnetic field homogeneity.

An electronic device uses an artificial intelligence model to estimate physiological parameters from bio-signals.

Radially extending electrode legs on a flexible circuit substrate ensure continuous scalp contact, reducing impedance and noise for higher signal quality.

Collimated infrared radiation detects blood volume variations just under the skin surface, resolving melanin absorption issues in dark skin tones.

Automated ventricular volume variation measurement determines optimal scan timing for cardiac imaging.

A neural cap system decodes memory consolidation using time-invariant feature extraction from EEG signals to identify individual memory replays during sleep.

A magnetic resonance apparatus applies multiple phase-encoding gradients to select k-space lines from a single refocusing pulse.

A processing device applies content filters to media based on detected user sleep states.

Optical detection modification elements change light transmission based on airflow orientation, resolving thermistor insensitivity to shallow breathing.

A photoplethysmographic device uses a pressure sensor and control unit to validate contact force before measurement.

Asymmetric optical pulse sensor adjusts light intensity to minimize movement artifacts and optimize power consumption.

Alternating polarity slice selective gradient pulses normalize echo time across multiple slices in multiplexed EPI sequences.

A virtual space system generates dynamic community areas by linking personal web profiles through synchronized avatar presence.

A coil arrangement with three orthogonal elements arranged azimuthally at 120 degrees and tilted to achieve mutual decoupling.

A medical imaging system reconstructs water and fat images using a multi-echo Dixon protocol to separate signals.