Diagnostics Using Light TRIZ Cases
- Miniaturized Optical Biometric Sensor Using Subsurface Tissue Analysis
A miniaturized optical biometric sensor captures diffuse reflectance from subsurface tissue to verify identity.
- Optical Skin Patch Adherence Detection for Microneedle Absorption
Optical detection of skin moisture verifies microneedle patch adhesion, preventing reduced absorption rates from inadequate contact.
- Multispectral Laser Camera for Internal Object Detection
Segmenting detection channels into UV, visible, and infrared ranges overcomes visible-light limitations to reveal subsurface structures like veins or metals.
- Refractive Index Gradient in Optical Sensor Cover to Reduce Stray Light
Graded refractive index in the cover layer suppresses stray light reflection, improving detection accuracy for biological signals.
- Physiological Signal Processing Using Search and Locked Modes
A physiological monitor uses search and locked modes with a narrow band-pass filter to determine pulse rate from photoplethysmographic signals.
- Optical Sensor with Contact Feedback for Non-Invasive Antioxidant Estimation
An optical sensor integrates a contact sensor to ensure proper skin coupling during bio-information measurement.
- Biosignal Measurement Using Wavelength-Selective Inserted Layer
An optical apparatus uses a wavelength-selective inserted layer to separate deep and surface reflected light for biosignal detection.
- Dual Photosensitive Imaging Device with Movable Optical Element
A dual photosensitive imaging device routes incoming light to separate sensors via a movable optical element for flexible image capture.
- MRI Motion Correction via Sensor-Based K-Space Data Filtering
A sensor-equipped MRI system analyzes body motion characteristics to adjust k-space data collection and reconstruction processes.
- Optical Sensor Contact State Detection via Impedance Measurement
Concentric ring electrodes measure bio-object impedance to determine optical sensor contact quality, reducing noise from poor skin coupling.
- Fibre Optic Plate Imaging System for Turbid Media Resolution
A fibre optic plate imaging system uses an angular filter array to guide light and capture high-resolution images.
- Signal Processing Apparatus for Pigment-Free Surface Imaging
A signal processing apparatus separates reflected light into illumination and pigment components using multi-wavelength intensity detection.
- Digital Imaging System for Quantifying Skin Photodamage
A digital imaging system records skin green signal intensity under blue light to quantify elastotic material accumulation.
- Shear-Invariant Michelson Interferometer for Single-Shot FT Spectroscopy
A Michelson interferometer uses a triple angle mirror group to generate invariant lateral shear between partial beams.
- Disposable Barrier Layer for Reusable Optical Physiological Sensor
Segmenting the sensor into reusable electronics and a disposable non-occlusive barrier resolves skin irritation from trapped moisture.
- Compact Spectrometer Using Micro Lens Collimation for Bio-Signal Measurement
A compact spectrometer uses a micro lens to collimate light through an aperture, enabling efficient bio-signal detection in portable devices.
- Pulse Arrival Time Determination Using Wavelet Signal Processing
Wavelet processing isolates pulse arrival time from noisy wearable sensor data, eliminating hard-thresholding errors.