Sensors TRIZ Cases

A blood collection safety device incorporates a dual-mode mechanism that automatically locks the needle after use.

A system calculates confidence metrics for electrophysiology parameters to display reliable maps.

A dual-camera system detects hand stillness to trigger high-resolution capture for biological authentication.

Segmenting the magnetic structure reduces weight and installation costs, while dynamic table positioning enables vertebral column imaging in loaded conditions.

Reconstructs micro-Doppler signatures from sparse channel measurements to reduce sensing overhead by seven times while maintaining recognition accuracy.

Integrated wireless electrocardiograph sensor system with receiving antenna and signal amplifier.

A compact metabolic analyzer transducer integrates oxygen, NDIR, and flow sensors with a microcontroller to compute real-time gas exchange data.

Amplitude threshold comparison classifies high-frequency interference in electroencephalogram signals for selective sampling.

Facial change information decomposition extracts brain activity components for operator state determination.

Multi-frequency impedance rheoencephalography replaces invasive tracer dilution with electrical measurements for real-time regional fluid volume analysis.

A polarized radiation detector adjusts its polarization angle to optimize signal quality metrics during remote physiological monitoring.

Electrodiagnostics functional assessment system acquires electromyography and range-of-motion data to evaluate implanted hardware.

An on-body sensor system derives position from signal angles at reference units.

A portable system measures visual motion detection thresholds using adjustable wave patterns on a display screen.

EEG alpha frequency analysis determines drug signatures to resolve variability in brain state representation.

Segmented harness uses stretch-resistant sweat patches to prevent electrode displacement during patient sweating, ensuring accurate ECG recording.

Principal component analysis attenuates maternal QRS complexes in abdominal ECG signals to isolate fetal cardiac peaks.

Plastic holding units with sorbent materials absorb ambient moisture to prevent metal lancing unit degradation, ensuring reliable sample collection.

Segmenting the MRI bore and using shielding minimizes interference between magnetic fields and radiation beams.

An interactive system applies selectable digital filters to specific ECG waveform segments for real-time signal processing.

A biological information measuring device adjusts irradiation light power based on detected distance between the light source and test portion.

A wearable device detects skin conductance changes to predict impending wearing-off episodes in Parkinson's patients.

A wearable device detects eye movements using differential electrostatic charge variations measured by aligned electrodes.

Flexible branches allow dry electrodes to slide over hair, reducing motion artifacts and impedance.

A wearable cardiac monitor uses an antenna to capacitively couple with the user's body for remote heart activity measurement.

An implantable sensor merges impedance, EEG, and ECG data into a single platform to detect minor strokes missed by symptom-based diagnosis.

A bio impedance measurement apparatus uses an intermediate modulator to shift input signal frequencies for efficient amplification.

Segmented esophageal probe uses compressive sensing to calculate electrical fields, resolving atrial signal limitations in conventional ECGs.

A digital system classifies ECG data blocks to identify noise and valid cardiac signals using hierarchical segmentation.

A portable heart motion monitor detects cardiac activity via reflected electromagnetic radiation.

Multi-echo spin-echo sequences acquire APT contrast data alongside intrinsic B0 field mapping, eliminating separate calibration scans.

A signal processing module generates filtered lead signals using differential electrode inputs.

Weighted averaging of local frequency distributions reduces computation time while improving signal-to-noise ratio in magnetic susceptibility mapping.

Inducing known test signals enables real-time disturbance detection and fidelity metrics for accurate continuous cardiac screening.

Diffusion-based channel selection isolates fetal signals from maternal noise, enabling accurate detection of inflammatory responses.

A lancet cap integrates with the body via protrusions to guide twisting motion and maintain needle alignment during preparation.

An intradermal injection adapter constrains cannula orientation to the skin surface for accurate dermal delivery.

Dynamic drive current adjustment maintains optical sensor signal quality within available power limits.

A light scattering part diffuses incident radiation, reducing detection value variations caused by position shifts and pressure changes.

Multi-channel MRI methods shift echo signal curves to determine phase correction values, resolving unsynchronized spin echo phases that cause image darkening.

An electronic device displays contact pressure data from an external skin sensor to guide user interaction.

A personalized patient monitoring system uses consumer wearables and artificial intelligence to generate targeted health alerts.

A metal detection algorithm executes during the prescan phase to identify implants and switch scan modes automatically.

A CPR monitoring apparatus calculates the ratio of received light DC components to evaluate blood oxygen saturation and flow.

A dual-sensor vehicle monitoring system uses a remote baseline sensor to isolate biological signals from environmental interference.

A cable-driven robotic treadmill applies targeted resistance to legs during walking.

A photoacoustic sensor removes electromagnetic interference noise from ultrasonic signals using segmented signal processing.