Apple Invents a Smart Ring that that could sense a user's health conditions, such as heart rate, blood oxygen, blood pressure & more
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.
Source: patentlyapple.com