Sensors TRIZ Cases
- Dual-Mode Blood Collection Safety Device with Automatic Locking
A blood collection safety device incorporates a dual-mode mechanism that automatically locks the needle after use.
- EP Map Confidence Metrics for Arrhythmia Diagnosis
A system calculates confidence metrics for electrophysiology parameters to display reliable maps.
- Dual-Camera Hand Authentication via Stationary Detection
A dual-camera system detects hand stillness to trigger high-resolution capture for biological authentication.
- Rotating MRI Magnet with Slidable Table for Vertebral Imaging
Segmenting the magnetic structure reduces weight and installation costs, while dynamic table positioning enables vertebral column imaging in loaded conditions.
- Sparse Micro-Doppler Reconstruction in Joint Communication Sensing
Reconstructs micro-Doppler signatures from sparse channel measurements to reduce sensing overhead by seven times while maintaining recognition accuracy.
- Wireless ECG Sensor Antenna Interference Immunity
Integrated wireless electrocardiograph sensor system with receiving antenna and signal amplifier.
- Metabolic Analyzer Transducer for Wearable Respiratory Monitoring
A compact metabolic analyzer transducer integrates oxygen, NDIR, and flow sensors with a microcontroller to compute real-time gas exchange data.
- EEG Signal Interference Removal via Amplitude Thresholding
Amplitude threshold comparison classifies high-frequency interference in electroencephalogram signals for selective sampling.
- Driver State Determination via Facial Data Decomposition
Facial change information decomposition extracts brain activity components for operator state determination.
- Non-Invasive Physiological Fluid Monitoring via Impedance Rheoencephalography
Multi-frequency impedance rheoencephalography replaces invasive tracer dilution with electrical measurements for real-time regional fluid volume analysis.
- Polarized Radiation Detector for Remote Vital Sign Extraction
A polarized radiation detector adjusts its polarization angle to optimize signal quality metrics during remote physiological monitoring.
- EFA System for Objective Spinal Hardware Removal Assessment
Electrodiagnostics functional assessment system acquires electromyography and range-of-motion data to evaluate implanted hardware.
- On-body sensor positioning via signal angle of arrival
An on-body sensor system derives position from signal angles at reference units.
- Visual Motion Detection Threshold Measurement System
A portable system measures visual motion detection thresholds using adjustable wave patterns on a display screen.
- Anesthesia Monitoring via EEG Alpha Frequency Analysis
EEG alpha frequency analysis determines drug signatures to resolve variability in brain state representation.
- Ambulatory ECG Electrode Harness with Sweat Patches
Segmented harness uses stretch-resistant sweat patches to prevent electrode displacement during patient sweating, ensuring accurate ECG recording.
- Fetal Heart Rate Extraction via Spatial Filtering
Principal component analysis attenuates maternal QRS complexes in abdominal ECG signals to isolate fetal cardiac peaks.
- Sorbent-Integrated Lancing Unit for Body Fluid Sampling
Plastic holding units with sorbent materials absorb ambient moisture to prevent metal lancing unit degradation, ensuring reliable sample collection.
- Linear Accelerator in MRI Bore for Interference-Free Therapy
Segmenting the MRI bore and using shielding minimizes interference between magnetic fields and radiation beams.
- Interactive ECG Signal Processing with Selectable Digital Filters
An interactive system applies selectable digital filters to specific ECG waveform segments for real-time signal processing.
- Biological Information Measuring Device Dynamic Light Power Adjustment
A biological information measuring device adjusts irradiation light power based on detected distance between the light source and test portion.
- Wearable Device Predicting Parkinson's Wearing-Off via Skin Conductance
A wearable device detects skin conductance changes to predict impending wearing-off episodes in Parkinson's patients.
- Wearable Eye Movement Detection Using Differential Electrostatic Sensing
A wearable device detects eye movements using differential electrostatic charge variations measured by aligned electrodes.
- Bio-signal Headset with Flexible Branches for Artifact Reduction
Flexible branches allow dry electrodes to slide over hair, reducing motion artifacts and impedance.
- Wearable ECG Armband Antenna Capacitive Coupling
A wearable cardiac monitor uses an antenna to capacitively couple with the user's body for remote heart activity measurement.
- Stroke Detection via Tissue Impedance and Multi-Sensor Fusion
An implantable sensor merges impedance, EEG, and ECG data into a single platform to detect minor strokes missed by symptom-based diagnosis.
- Bio Impedance Measurement Using Frequency Segmentation
A bio impedance measurement apparatus uses an intermediate modulator to shift input signal frequencies for efficient amplification.