Wearable ring of optical biometric sensors

This invention describes a wearable ring for your wrist, finger, or arm that uses light to check your body's health. It has at least two light sources and two light detectors. These sensors shine light into your body and measure the light that comes back, which can then be analyzed to understand things like your oxygen levels, pulse, or even blood sugar.

Why it matters: The core challenge of accurately measuring complex biometrics like glucose and blood pressure non-invasively via optical means remains. However, advancements in machine learning for interpreting noisy biological signals and more power-efficient, miniaturized optical components could make such measurements more feasible and reliable today.

Status: ExpiredProtection ended and was never renewed
How hard to build: SpecializedOptical sensors, signal processing, biometric algorithms

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