Patent ID: 8600582
Filing Date: 2013-12-03
Classification: A01D,G05D

Abstract:
1. An apparatus for cutting grass comprising: a lawn mower equipped with: movement means for movement of said lawn mower at least inside a cutting area (A); one or more blades for cutting grass in said cutting area (A); an electrical cable, delimiting said cutting area (A); a management device, associated to said cable and configured to supply an output electrical signal (S), comprising a plurality of primary pulses consisting of: wherein said electrical signal (S) and said first and second portions (S said management device being connected to said cable in order to make said electrical signal (S) to propagate through said cable; said lawn mower being further equipped with: a memory, containing principal reference data (Ref) comprising an interval of slope values (Δmi) of said electrical signal (S), which correspond to a presence of said lawn mower in said cutting area (A); a comparison module, associated to said operative module and to said memory, configured to: a command unit that is connected to said main comparison module, to command said movement means based on said notification signal (Sout).