ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,423,850, issued on Sept. 23, was assigned to UBTECH ROBOTICS CORP LTD (Shenzhen, China).

"Footstep planning method, robot and computer-readable storage medium" was invented by Zhiping Luo (Shenzhen, China), Xiang Liu (Shenzhen, China), Jun Cheng (Shenzhen, China), Jianxin Pang (Shenzhen, China) and Youjun Xiong (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A footstep planning method includes: obtaining a number of depth images of an environment in a walking direction of a legged robot; creating a three-dimensional model of the environment based on the depth images; determining at least one even region from the three-dimensional model ...