APPARATUS FOR CUTTING GRASS
First Claim
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 (S);
one or more blades for cutting grass in said cutting area (S);
a perimeter cable, delimiting said cutting area (S);
a management device for generating an electrical signal (ES) and for propagating the latter in said cable; and
a recharging base for said lawn mower positioned along said perimeter cable;
said lawn mower further comprising a control unit equipped with;
sensor means for detecting said electrical signal (ES);
a memory for storing a maximum value (Vmax) and a minimum value (Vmin) for an intensity of detection of said electrical signal (ES), said maximum and minimum values (Vmax, Vmin) being respectively representative of a minimum distance (Dmin) and a maximum distance (Dmax) of said lawn mower from said perimeter cable;
a calculation module configured to determine, for said intensity of detection, a target value (Tv) that is non-null and comprised between said maximum value (Vmax) and said minimum value (Vmin), said target value (Tv) being representative of a target distance (Td) of said lawn mower with respect to said perimeter cable, said target value (Tv) being substantially different from a preceding target value determined for said intensity of detection; and
an operative module configured to command said movement means so as to move said lawn mower in such a manner that said sensor means detects said electrical signal ES at an intensity substantially equal to said target value (Tv), keeping said lawn mower at a distance, with respect to said perimeter cable, that is substantially equal to said target distance (Td) during movement of said lawn mower towards said recharging base.
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Accused Products
Abstract
An apparatus for cutting grass comprising: a lawn mower equipped with movement means and one or more blades for cutting grass; a perimeter cable, delimiting a cutting area; a management device for generating an electrical signal (ES) in the cable; a recharging base. The lawn mower further comprises a control unit equipped with: sensor means to detect the electrical signal (ES); a memory to store a maximum value (Vmax) and a minimum value (Vmin); a calculation module to determine, for said intensity of detection, a target value (Tv) that is non-null and comprised between the maximum (Vmax) and minimum value (Vmin), the target value (Tv) being different from a preceding target value; an operative module to command the movement means so as to move the lawn mower in such a manner that the sensor means detects the electrical signal (ES) at an intensity equal to the target value (Tv).
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Citations
11 Claims
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1. An apparatus for cutting grass comprising:
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a lawn mower equipped with;
movement means for movement of said lawn mower at least inside a cutting area (S);
one or more blades for cutting grass in said cutting area (S);a perimeter cable, delimiting said cutting area (S); a management device for generating an electrical signal (ES) and for propagating the latter in said cable; and a recharging base for said lawn mower positioned along said perimeter cable; said lawn mower further comprising a control unit equipped with; sensor means for detecting said electrical signal (ES); a memory for storing a maximum value (Vmax) and a minimum value (Vmin) for an intensity of detection of said electrical signal (ES), said maximum and minimum values (Vmax, Vmin) being respectively representative of a minimum distance (Dmin) and a maximum distance (Dmax) of said lawn mower from said perimeter cable; a calculation module configured to determine, for said intensity of detection, a target value (Tv) that is non-null and comprised between said maximum value (Vmax) and said minimum value (Vmin), said target value (Tv) being representative of a target distance (Td) of said lawn mower with respect to said perimeter cable, said target value (Tv) being substantially different from a preceding target value determined for said intensity of detection; and an operative module configured to command said movement means so as to move said lawn mower in such a manner that said sensor means detects said electrical signal ES at an intensity substantially equal to said target value (Tv), keeping said lawn mower at a distance, with respect to said perimeter cable, that is substantially equal to said target distance (Td) during movement of said lawn mower towards said recharging base. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification