ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,547,188, issued on Feb. 10, was assigned to Computime Ltd. (Hong Kong, Hong Kong).
"Random pattern mowing" was invented by Chung Ming Cheng (Hong Kong, Hong Kong) and Chi Lung Chan (Hong Kong, Hong Kong).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lawnmower is instructed to move from a reference point along the boundary wire and to follow the boundary wire along a boundary path back to the reference point, using data from at least one wire sensor of the lawnmower. One or more elements are determined along the boundary path using distance data from at least one distance sensor of the lawnmower and using angular velocity data from at least one directi...