Takuo Aoyagi created the technology in the 70s.

…ted back to the sensor, which allows it to distinguish between beats. The problem is that skin with more melanin blocks green light, making it harder to get a correct reading. The darker your skin, the less accurate the device will be.
Six Designs That White People Never Notice Are Racist
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Stark Raving
That Tim Guy
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Sep 29, 2021
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Takuo Aoyagi created the technology in the 70s. The wavelength of light that was the most accurate is not powerful enough to get through all skin types nor scar tissue. Not racist as much as not a technically feasible implementation at this time
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Written by That Tim Guy36 Followers
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Coder, photog, stick-shifting, animal lover, gardener, cook, comedian, people lover, ex 11746 living in 90210.
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