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Robotic lawnmower and charging and control systems therefor

  • US 8,930,024 B2
  • Filed: 03/29/2011
  • Issued: 01/06/2015
  • Est. Priority Date: 03/29/2010
  • Status: Active Grant
First Claim
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1. A charging and control system for a robotic element, comprising a circuit loop, the circuit loop comprising a plurality of wire segments, including one or more boundary wire segments defining the boundary of an area within which said robotic element is permitted to move;

  • wherein a charging voltage signal, for charging a power source within said robotic element, and a positioning voltage signal for assisting the robotic element in determining its current position, are both communicated over the same one or more of said plurality of wire segments;

    wherein a charging station may be electrically connected to said circuit loop so as to be operable to communicate said charging voltage signal to said robotic element when positioned at said charging station.

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