ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,457,925, issued on Nov. 4, was assigned to Willand (Beijing) Technology Co. LTD. (China).
"Method for calibrating lawnmower" was invented by Ziwei Guo (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure provide a method for calibrating a lawnmower, including: collecting a preset number of position data of the lawnmower moving relative to a charging station; performing straight line fitting using the preset number of position data; and determining, if the preset number of position data fits a straight line, an orientation of the charging station based on a slope of the fitted straight line. Accordingly, embodiment...