ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,416, issued on Feb. 24, was assigned to AMAZON TECHNOLOGIES INC. (Seattle).

"Automated user-identification systems" was invented by Evan Perillo (Woodinville, Wash.), Maxwell Wei Xuan (Washington), Baomin Wang (Seattle), Brendan Pratt (Bethel, Conn.), Yufei Jia (Seattle) and Abhinav Kashyap (Redmond, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure describes a user-recognition system configured to target a location of a palm of a user at a wide variety of distances without the need to illuminate and/or capture an entire field of view (FOV) at all times. The user-recognition system comprising a first sensor for capturing an image ...