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On Thursday, the U.S. Patent and Trademark Office published a patent application from Apple that relates to a wearable self-mixing interferometry (SMI) ring that could be used to sense physiological conditions of a user, such as a heart rate, blood oxygen saturation, blood pressure and more. ....
Today the US Patent & Trademark Office published a patent application from Apple that relates to wearable self-mixing interferometry (SMI) ring used to sense physiological conditions of a user, such as a heart rate, blood oxygen saturation, blood pressure and more. ....