Electronic fitness device with optical cardiac monitoring

This electronic fitness device uses different colored lights and two light sensors to measure a user's heart information. It shines light onto the skin from an opening on its bottom surface, detects the reflected light with the sensors, and then a processing element analyzes these signals to determine cardiac data, including potentially pulse oximetry. The design also suggests specific light path distances between the emitters and receivers.

Why it matters: Filed before advanced low-power processors and machine learning algorithms for robust PPG analysis were widely available. These advancements now make accurate, power-efficient implementation more feasible.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedCustom optical sensors, signal processing, algorithms

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