ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,877, issued on Feb. 10, was assigned to AMAZON TECHNOLOGIES INC. (Seattle).
"Motion detector" was invented by Yevhen Tsyba (Kyiv, Ukraine), Bogdan Ruzhitskiy (Kyiv, Ukraine) and Mykyta Erikaikin (Kyiv, Ukraine).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and techniques are described for motion detection. In various examples, a radar sensor may transmit at least a first frame and a second frame over a first period of time. Difference data representing differences between at least a first signal corresponding to the first frame and a second signal corresponding to the second frame may be determined by the radar sensor. First data may be dete...