ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,563,476, issued on Feb. 24, was assigned to BEIJING XIAOMI MOBILE SOFTWARE Co. LTD. (Beijing).
"Access control method and device" was invented by Qin Mu (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "An access control method and device are disclosed. A network device determines signalling. The signalling at least includes: a parameter related to access control of a first type of terminal or a parameter related to access control of a second type of terminal. The parameter related to the access control of the first type of terminal and the parameter related to the access control of the second type of terminal are carried in different signalling. ...