ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,432,566, issued on Sept. 30, was assigned to BEIJING XIAOMI MOBILE SOFTWARE Co. LTD. (Beijing).
"Ranging method" was invented by Guangjun Qiao (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ranging method is performed using a terminal device including a processor and a ranging chip. The processor having a security region, and the security region is communicatively connected to the ranging chip. The ranging method includes: acquiring a session parameter generated from an initial communication between the terminal device and a device to be ranged; generating, in the security region, a ranging security parameter according to the session paramet...