ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,857, issued on Oct. 28, was assigned to SHENZHEN NOVILAND TECHNOLOGY Co. LTD (Shenzhen, China).

"Smart barn door, control method and device applied to the smart barn door, and computer- readable storage medium" was invented by Hao Li (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A smart barn door includes a door body, a controller, a driving device, a roller, and a track. The driving device and the roller are fixedly connected to the door body. The driving device is used to drive the roller to roll and to move along the track. When the roller moves along the track, the roller drives the door body to move accordingly. The controller...