ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,296, issued on July 8, was assigned to BOE Technology Group Co. Ltd. (Beijing).

"Playback control system and power supply method for same" was invented by Enhui Guan (Beijing), Liang Li (Beijing), Xinyi Cheng (Beijing) and Youxiang Xia (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a playback control system, including a first playback control device, a second playback control device, a first power supply circuit, a second power supply circuit, and a power supply. The first power supply circuit is configured to supply power to the first playback control device using a first utility power. The second power supply circuit is configu...