ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,117, issued on March 18, was assigned to Beijing Zitiao Network Technology Co. Ltd. (Beijing).

"Video definition grade determining method and apparatus, server, storage medium and system" was invented by Bin Wang (Beijing), Xiaocheng Li (Beijing) and Bing Yan (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a video definition grade determining method and apparatus, a server, a storage medium and a system. The video definition grade determining method comprises: in response to receiving a target video playing request transmitted by a client, determining a target region where the client is located and a current ...