ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,708,244, issued on Aug. 18, was assigned to BEIJING XIAOMI MOBILE SOFTWARE Co. LTD. (Beijing).
"Cleaning device, and monitoring method and apparatus of cleaning device" was invented by Tiantian Zhang (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cleaning device including a main unit and a cleaning assembly, the cleaning assembly arranged on the main unit, where the cleaning assembly at least includes a water tank; and at least one image collection module, corresponding to the water tank in position and arranged facing the water tank, where the at least one image collection module collects an image of the water tank, so as to determine at lea...