Optical Sensors TRIZ Cases
- PPG Sensor Time Calibration via Optical Mediator
Optical calibration signals synchronize independent PPG sensors for millisecond pulse delay accuracy.
- Magnetic-Flap Optical Sensor for Pulse Oximetry
Magnetic flaps on the sensor squeeze fingertip tissue to occlude venous blood, accentuating pulsatile signals during patient motion.
- Optical Receiver Circuitry for Photoplethysmograph Signal Processing
Segmentation and extraction principles separate ambient DC noise from pleth signals, ensuring accurate biometric data in uncontrolled environments.
- Automated Lancet and Microfluidic Cartridge for Consistent Blood Sampling
Motor-driven lancet and self-aligning guide rails ensure consistent sample volumes while eliminating manual alignment errors.
- Wearable PPG Sensor with Transparent Optical Path for Motion Robustness
A wearable device uses a transparent optical emitter and sensor to measure scattered light from the skin.