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Two Multi-Wavelength PPG arrays are positioned on the nose pads and perform Transmissive Sensing. Specifically, by shining light through the thin tissue of the nasal bridge, the system achieves a better signal-to-noise than typical reflective wrist-worn devices and is therefore much more accurate
Two Multi-Wavelength PPG arrays are positioned on the nose pads and perform Transmissive Sensing. Specifically, by shining light through the thin tissue of the nasal bridge, the system achieves a better signal-to-noise than typical reflective wrist-worn devices and is therefore much more accurate