Diagnostics Using Light TRIZ Cases

A spectroscopy system uses displacement sensors to track detection area positions on moving skin and calculate a stable target spectrum.

Parallel photodetectors accumulate signals without resetting dead time, enabling efficient neural activity detection.

Continuous wavelet transforms analyze lightly filtered photoplethysmograph signals to extract respiratory effort data from patient physiological readings.

Safety circuits protect light sources from overheating to enable reliable quantitative tissue data collection.

Dual-wavelength illumination differentiates blood from background tissue reflectance, enabling sensitive detection of minute hemorrhages in the small intestine.

Arcuate optical sensor array maintains consistent tissue contact to measure biometric parameters on wearable rings.

Segmented photodiode groups and dynamic LED control improve measurement precision while managing energy consumption in wearable health monitors.

An optical sensor measures light intensity at distinct wavelengths to estimate body fluid volume through spectral analysis.

A stability module filters erroneous shape data from optical fibers using geometrical thresholds and spatio-temporal continuity checks.

A compact sensor module integrates micro-LEDs and a photodetector on a single semiconductor substrate for vital sign monitoring.

A pathogen detection apparatus integrates body temperature measurement with automated re-testing protocols.

An optical biopsy probe generates excitation emission matrices from scattered and fluoresced light to classify tissue.

A neurological screening device projects images onto retinas to capture reflected light, measuring eye fixation and oculomotor movements for objective brain function assessment.

A stacked sensor system with RFID transmission enables continuous wireless monitoring of heart sounds and core temperature.

A compact imaging system visualizes subsurface features using light interaction and projection.

A passive chemical sensor strip wicks bodily fluids to an optical interface for mobile device analysis.

A monitoring system intercepts electromagnetic radiation from intrabody regions to calculate dielectric changes and detect physiological patterns.

A device detects fluorescence from advanced glycation end products in blood vessels using an excitation light source and a dedicated detecting section.

Nested optical components in a compact skin diagnosing device head minimize reflected light interference while maintaining precise measurement accuracy.

A physiological signal feature extraction method averages correlated pulses into a template pulse to identify and extract features from well-shaped waveforms.

A tissue coagulation probe integrates an interferometric distance measuring device to track probe-tissue spacing during operation.

A biological information measurement device adjusts light emitting intensity via a controller to stabilize detection signals.

External optical sensors measure bladder volume through wall reflection, eliminating infection risks associated with invasive internal catheters.

Frequency component separation enables one sensor to acquire both facial-expression and bioinformation, reducing device complexity and weight.

A stationary transmitting probe and a moving receiving probe detect surface vibrations to resolve breast deformation trade-offs during scanning.