Jack Purcher / Patently Apple
Apple Invents a Smart Ring that that could sense a users health conditions, such as heart rate, blo – 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. …
