ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,896, issued on July 22, was assigned to LENOVO (BEIJING) Ltd. (Beijing).

"Rotation connection structure and electronic apparatus" was invented by Zhenling Zhang (Beijing) and Jiangping Wu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotation connection mechanism includes a first plate, a second plate, a control structure, and a torsion structure. The control structure is configured to control the first plate and the second plate to switch between a first relative position and a second relative position. The first plate and the second plate are at the first relative position, and the first plate and the second plate form a plate. The fir...