Isn’t the O2 sensor banned in the USA due to a patent dispute? | Hacker News

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		e40 8 months ago \| parent \| context \| favorite \| on: How Apple Watch estimates VO2Max within 1.2 ml/kg/... Isn’t the O2 sensor banned in the USA due to a patent dispute?

fellerts 8 months ago [–]

SpO2 (blood oxygen saturation) is disputed, yes. VO2Max is a completely different measurement.

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