Sensors TRIZ Cases

A physiological signal measurement electrode integrates a transient voltage suppression multiplexer circuit to process sensing signals.

A conformable medical monitor uses layered substrates to shield electronics and adjust electrode placement for patient comfort.

A non-invasive measurement device combines occlusion and pulse-based modes to determine blood parameters using parametric slopes of light responses.

Predicted accumulated volume loss adjusts configured removal levels to reduce false alarms during automated blood collection.

K-space registration corrects odd and even echo inconsistencies in echo planar imaging sequences.

Calculating phase lock value synchrony levels from EEG signals detects seizure onset while minimizing false alarms caused by patient-specific variability.

Atomic layer deposition seals microcracks and pores in implantable medical devices, improving hermeticity without increasing device complexity.

A collar spacer compresses animal fur to maintain optical coupling, eliminating air gaps that cause motion artifacts during heart rate measurement.

Analyzes daily head movement patterns using wearable sensors to identify subtle visuomotor changes.

History Dependent Inverse Gaussian prediction guides adaptive searching intervals to detect R-peaks despite motion artifacts.

Merging atrial fibrillation and non-heart data into one view reduces cognitive burden while conserving device battery power.

Transparent substrate passes light through an optical sensor package, reducing thickness and blocking ambient light interference.

Dual motion sensing devices capture joint coordinate streams to classify left or right hand scenes, improving action recognition speed and accuracy in assembly.

A wearable optical bilirubin monitor uses light emission and photodetection to measure skin reflectance for continuous concentration tracking.

A portable sensor device uses processor-controlled switches to equalize electrode voltages and capture ECG data without conductive gel.

A photoacoustic computed tomography system uses a full-ring ultrasonic transducer array to capture acoustic signals from multiple depths simultaneously.

Ground-shielded electrodes coupled to skin stabilize signals, replacing resistance measurements that fail to quantify perspiration levels.

Segmented mounting decouples patient movement pressure from sensor capacitance to maintain high signal quality.

A removable strip element uses a flex zone to attach sensing components externally to absorbent hygiene articles.

A user adaptation system evaluates physical input capabilities through calibration tests to model player dexterity levels.

Dynamic weighting of ECG beats removes motion artifacts while preserving signal morphology, avoiding the distortions caused by fixed filtering.

An adaptive right leg drive circuit switches operating modes to maintain signal integrity across varying electromagnetic environments.

A porous carrier wicks sweat to react chloride ions for visual hydration assessment.

Blocking circuits filter specific frequency ranges to prevent interference between the shared conductive housing antenna and biometric electrode.

A wearable device detects user emergency states using temperature, pupil recognition, and brainwave sensors.

Inductive coupling between a local volume coil and the magnet body eliminates cable bundles, reducing patient safety hazards and assembly complexity.

Automated test device collects blood samples at preset intervals using integrated timing and indicator systems, reducing clinical supervision requirements.

A magnetic response distribution visualization device calculates field strength and phase at vicinal positions to reconstruct object signatures.

Diagonal force sensors convert ground reaction forces into electrical signals to resolve the contradiction between measurement precision and equipment cost.

A digital signal processing device filters photoplethysmography and acceleration signals to extract frequency domain information for accurate heart rate calculation.

A user interface applies algorithmic filters to EEG recordings for artifact removal.

A rotatable muscle position sensor uses a tilt switch to detect deviation and trigger haptic alerts.

A proprioception measurement system uses a visual mask and position sensors to isolate hand placement from patient vision.

A processor restores photoplethysmography AC signals using exponentially weighted moving average filters and block interleaving techniques.

Ophthalmic device uses electromyography sensor to detect ciliary muscle electrical activity for real-time vision adjustment.

Vertical analyte flow through porous electrode stacks reduces diffusion path length, enabling high-precision biomarker detection with minimal fluid volume.

Compressible strap edges maintain consistent skin contact to prevent ambient light ingress and reduce motion artefacts for accurate heart rate monitoring.

A superconducting magnet apparatus uses a segmented refrigerant circulation circuit with a dedicated storage portion to maintain liquid levels during operation.

An ECU estimates seated lower limb length using thigh and back knee angle data from pressure and infrared sensors.

A wireless infant monitoring device uses reflective red and infrared light on the sole to calculate blood oxygen saturation from blood flow signals.

A phased array coil system acquires data across multiple imaging regions simultaneously.

An impedance element absorbs noise signals between ground and reference terminals, removing interference without separate processing circuits.

A physiological signal detection device uses universal input terminals for both measurement and charging operations.

A signal vector derivation apparatus uses spectrum and direction sections to locate triaxial sensor sources.

A heart rate monitoring garment integrates electrodes, a transmitter, and a power source directly within the fabric structure.

A laser system uses closed-loop feedback to control capacitor charge times for optoacoustic probes.

Varying shaped RF pulse power across nuclides determines optimal settings via Fourier transform, reducing measurement time when T1 relaxation is unknown.

Optical sensors on the neck detect jugular venous blood signals at multiple wavelengths to calculate cerebral tissue oxygenation levels.

A cardiac device uses a noise counter to terminate atrial fibrillation detection when interference events reach a set limit.

Automatic multi-channel cardiac measurement method monitors signal quality and replaces degraded channels to maintain timing accuracy.