ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,457,924, issued on Nov. 4, was assigned to Nanjing Chervon Industry Co. Ltd. (Nanjing, China).
"Smart mowing system" was invented by Hongwei Wang (Nanjing, China), Dezhong Yang (Nanjing, China) and Qing Gao (Nanjing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A smart mowing system includes a boundary line, a signal transmitting unit, and a smart mower. The boundary line is configured to plan a working area. The signal transmitting unit is configured to generate a boundary signal to the boundary line. The smart mower includes a first signal receiving module, a second signal receiving module, and a control module. The second signal receiving modu...