ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,876, issued on July 1, was assigned to Varjo Technologies Oy (Helsinki).
"Head mounted device and tracking method" was invented by Mikko Strandborg (Hangonkyla, Finland) and Mikko Ollila (Tampere, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a tracking device and a light source. The tracking device has a camera and a first controller. The camera captures a first image and a second image. The first image is captured during a first period of time (t0-t1) and the second image is captured during a second period of time (t2-t3). The first controller is coupled to the camera and configured to obtain first timing information and ...