ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,789, issued on Aug. 18, was assigned to BEIJING XIAOMI MOBILE SOFTWARE Co. LTD. (Beijing).

"Add-on assembly, identification method for add-on assembly, and wearable device" was invented by Xuefeng Wang (Beijing) and Lei Meng (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "An add-on assembly includes multiple different sub-assemblies, each of the sub-assemblies is provided with a magnetic absorption part, the magnetic absorption part of each of the sub-assemblies is used for adsorbed-connection with a device main body of a wearable device, the magnetic absorption parts of any two of the sub-assemblies are different, and each of the sub-assemb...