A new Apple Patent describes Radar-Based Biometric Signal Extraction for a possible future Apple Watch health feature
Today the US Patent & Trademark Office published a patent application from Apple that relates to biometric information, and more specifically to determining biometric information using radar-based systems. More specifically, the use of radar is in context with biometrics relating to measuring respiratory and/or cardiovascular functions of the human body. Whether Apple's latest patented technology will be used to advance a current feature on introduce a new Health biometric function in Apple Watch is unclear at present.
Source: patentlyapple.com