ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,211, issued on Oct. 28, was assigned to VIVO MOBILE COMMUNICATION Co. LTD. (Guangdong, China).
"Access control method, access control apparatus, and communications device" was invented by Xiaowan Ke (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An access control method, an access control apparatus, and a communications device. The access control method includes: obtaining first information and/or second information, where the first information includes at least one of the following: indication information of a first access mode, a first-type routing indication, and a first-type network identifier, and the second information includ...