ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,226,188, issued on Feb. 18, was assigned to OMNI MEDSCI INC. (Ann Arbor, Mich.).

"Active illumination and time-of-flight camera system to evaluate facial blood flow, eye movements and physiological parameters" was invented by Mohammed N. Islam (Ann Arbor, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A measurement system comprising one or more semiconductor diodes configured to penetrate tissue comprising skin. The detection system comprising a camera, which may also include a direct or indirect time-of-flight sensor. The detection system synchronized to the pulsing of the semiconductor diodes, and the camera further coupled to a processor. The d...