ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,487, issued on Feb. 24, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).
"Security service switching method and terminal" was invented by Zhuofei Li (Beijing), Wei Gao (Beijing), Yongwei Guo (Shenzhen, China), Nianhao Zhu (Shanghai) and Xiangwen Kong (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes, when a first card in a secure element (SE) system of a terminal is in an inactive state after the terminal is powered off, subsequent to receiving, using a near-field communication (NFC) system, an instruction for selecting the first card that is received from a card reading device, the terminal determines, based ...