ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,782, issued on Dec. 16, was assigned to BOE Intelligent IoT Technology Co. LTD. (Beijing) and BOE Technology Group Co. Ltd. (Beijing).

"Method for refreshing electronic sign and electronic device" was invented by Kaiyuan Zhou (Beijing), Weihua Li (Beijing), Naichuan Chen (Beijing), Linyi Fan (Beijing) and Mingwu Chen (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for refreshing electronic sign and an electronic device, where the method includes acquiring conference information and attendee information of a scheduled conference; where the conference information includes a Bluetooth gateway corresponding to the conference information...