ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,848, issued on March 11, was assigned to QFEELTECH (BEIJING) Co. LTD. (Beijing).
"Autonomous mobile device" was invented by Xingguo Xing (Beijing) and Xin Wu (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "An autonomous mobile device includes a main body, a protruding element disposed at a top portion of the main body, and a protection cover disposed at an outer side of the protruding element to cover the protruding element. The protection cover is movable relative to the protruding element when collided. The autonomous mobile device also includes a joystick sensor including a housing, a joystick, and a parameter detecting device. The auton...