Wearable device for the arm with close-fitting biometric sensors

This is a device worn on the arm, like a bracelet or strap, that contains a special sensor. This sensor shines light onto the skin from different angles by rotating. The light reflected back is then analyzed to measure things like hydration, oxygen levels, blood sugar, or heart rate.

Why it matters: Filed before significant advancements in miniaturized, low-power spectroscopic sensors and on-device AI for interpreting complex biometric signals. These improvements could make the multi-angle data collection and analysis more feasible and accurate today.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedSpectroscopic sensor, rotation mechanism, signal processing

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