ALEXANDRIA, Va., June 19 -- United States Patent no. 12,335,886, issued on June 17, was assigned to Beijing Xiaomi Mobile Software Co. Ltd. (Beijing).

"Access control method and apparatus, communication device, and storage medium" was invented by Yang Liu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "An access control method, includes: sending, by a base station, physical broadcast channel (PBCH) information of a synchronization signal block (SSB) carrying access indication information, wherein the access indication information indicates whether to allow access of first type user equipment, wherein a maximum operating bandwidth of the first type user equipment is smaller than an operating bandwidth...