Wearable spectroscopic sensor to measure food consumption based on interaction …

This is a smart watch or wristband designed to figure out what you've eaten. It works by shining light into your body and analyzing how that light changes after interacting with your tissue, which helps identify specific foods or nutrients. The patent specifically describes a smart watch or band with six wavy bumps around its circumference.

Why it matters: Miniaturization of spectroscopic sensors and significant advancements in machine learning for complex data analysis have made this type of wearable body sensing more practical since 2015.

Status: ExpiredProtection ended and was never renewed
How hard to build: SpecializedSpectroscopic sensor, custom electronics, specific molding

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