ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,765,790, issued on Oct. 20, was assigned to MICRO-NANO DEVELOPMENT Co. LTD. (Taipei City, Taiwan).
"Blood pressure and heart rate measuring device" was invented by Yu-Jie Wang (New Taipei City, Taiwan), Chi-Hung Tseng (New Taipei City, Taiwan), Jiung-Ming Torng (New Taipei City, Taiwan) and Li-Karn Wang (Taipei City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A blood pressure and heart rate measuring device has two fiber gratings for converting broadband light into a narrowband ray. The reflection wavelength band the transmission wavelength band of one of the two fiber gratings will shift with the vascular pulsating stress of an object to be ...