ALEXANDRIA, Va., April 7 -- United States Patent no. 12,593,994, issued on April 7, was assigned to FITBIT INC. (San Francisco).
"Blood pressure sensors" was invented by Shelten Gee Jao Yuen (Berkeley, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wearable device is wearable on an appendage of a user and includes a force-sensitive display screen to generate force data when a force is applied to the force-sensitive display screen, a photoplethysmogram (PPG) sensor, and one or more processors. The PPG sensor is positioned below an external surface of the force-sensitive display screen and generates PPG sensor data when the force is applied to the force-sensitive display screen. The one or more proces...