ALEXANDRIA, Va., April 21 -- United States Patent no. 12,604,798, issued on April 21, was assigned to TECHTRONIC CORDLESS GP (Anderson, S.C.).
"Robot gardening tool system and method for robot gardening tool" was invented by Heng Sheng Liu (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a robot gardening tool system and a method for a robot gardening tool. The robot gardening tool system comprises a robot gardening tool and a boundary module. The boundary module delimits a work area and/or a non-work area of the robot gardening tool, and the boundary module comprises at least one boundary element. The robot gardening tool comprises a boundary detection apparatus...