Inertial Sensors TRIZ Cases
- Pulse Wave Velocity Estimation Using Pressure Sensitive Mat
Pressure sensitive mat estimates pulse wave velocity by mapping beat locations to anatomical positions, eliminating cuff discomfort during sleep.
- Bio-signal Feedback Learning Cycle for Neuroplasticity Recovery
Real-time mind-body state monitoring resolves gross motion feedback limits by synchronizing physiological signals with exercise protocols.
- Closely Spaced Brain Sensor Electrodes for High-Resolution EEG
Closely spaced sensor electrodes measure brain electric fields, resolving spatial resolution and signal quality trade-offs.
- Ambulatory Status Detection Using Dual-Area Motion Sensors
Dual motion sensors measure lumber and thoracodorsal movement to calculate superposed Lissajous figures for clear ambulatory status visualization.
- Head-Mounted Display Visual Field Testing Tilt Compensation
Tilt sensors detect head orientation in head-mounted displays to adjust visual field testing patterns, resolving measurement errors caused by user head tilting.
- Non-Invasive Glucose Monitoring via Activated RF Range Signals
Activated RF Range radio waves transmit through skin to detect blood glucose levels non-invasively.
- Adaptive Step Count Measurement Using Dynamic Acceleration Thresholds
A step count measuring apparatus determines adaptive thresholds from local acceleration extrema to measure steps accurately.
- Knee-Mounted Accelerometer for ACL Injury Prediction
A knee-mounted accelerometer measures linear acceleration during dynamic movements to feed a predictive AI model.
- Activity Meter Behavior Estimation via Gravity-Axis Coordinate Transformation
A behavior estimating system transforms acceleration waveforms using extracted gravity angles to adapt to individual physical characteristics.
- Non-Invasive Respiratory Monitoring for Pilot Hypoxia Detection
A portable unit integrates pulse oximetry and capnography sensors to measure critical respiratory parameters in real time.
- Fetal Movement Monitor Using Abdominal Deflection Sensors
A portable fetal movement monitor uses abdominal deflection sensors to detect and log maternal abdominal movements over time.
- Smart Joint Replacement Detector With Laser Alignment And Force Balance Verification
A smart surgical detector uses laser alignment and pressure sensing to verify joint balance during artificial replacement procedures.
- Quadruped Gait Analysis via Chest Acceleration Waveforms
Chest-mounted multi-axis accelerometers quantify gallop injury risks by analyzing positive half-wave acceleration waveforms.
- Implantable Chemical Sensor Data Normalization via Fluid State
Normalization circuitry corrects chemical sensor readings using fluid state data to compensate for signal drift caused by patient posture changes.
- Step Length Estimation Using Gyro and Accelerometer for Mounting Position
A movement distance measuring apparatus uses gyro and accelerometer signals to detect mounting position and adjust step length estimation parameters.
- Resting Heart Rate Monitor Using Motion-Based Inactivity Detection
A heart rate monitor system calculates resting values by detecting user inactivity through motion sensors.
- Wireless Infant Health Monitor Using Foot-Mounted Pulse Oximetry
Foot-mounted pulse oximetry replaces audio intercoms with continuous physiological monitoring, enabling timely alarms for abnormal health trends.
- Wearable IMU Gait Analysis System for Mobility and Precision
Wearable inertial measurement units capture bio-mechanical data during physical activity.
- Multi-Axis Foot Acceleration Sensor for Gait Anomaly Detection
Multi-axis sensors measure foot acceleration to detect gait anomalies such as stride variability, reducing fall risks in older adults.
- Cuffless Blood Pressure Monitor Using Dual Inertial Sensors
Dual inertial measurement units on a skin patch capture pulsatile motion signals for cuffless blood pressure estimation.
- MEMS Sensor Cognitive Diagnosis Kinematic Analysis
Microelectromechanical sensors capture kinematic data during tactile perception tests to assess cognitive function.
- Foot Strike Monitor Analyzes Wear via Sensor Data
A foot strike monitor tracks runner movement to model shoe wear and predict replacement timing.
- Head-Worn Alertness Sensor Using Eye and Head Motion Data
A head-worn device combines eye movement sensors with a 3D accelerometer to monitor driver alertness.
- Wearable 6D-IMU Gait Assessment with Drift Correction
A wearable system using a 6D-IMU sensor to detect temporal events and estimate 3D gait parameters.
- Hand-Wearable Sensor Mounting System for Dexterous Therapy Tracking
Interlocking clips secure modular sensors to diverse hands, resolving the conflict between precise tracking and easy sanitation.
- Wearable Heart Rate Monitoring for Calorie Estimation
A wearable device estimates calorie expenditure using heart rate and motion data without requiring laboratory testing.
- Sleep Position Trainer Non-Movement Timer Alert
A sleep position trainer uses a non-movement timer to trigger alerts after fifteen minutes of static posture.