Robot confinement

  • US 8,868,237 B2
  • Filed: 03/19/2007
  • Issued: 10/21/2014
  • Est. Priority Date: 03/17/2006
  • Status: Active Grant
First Claim
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1. An autonomous coverage robot system comprising:

  • at least one passive boundary responder configured to allow the passive boundary responder to be disposed below a surface within a property interior region and along an intended non-closed loop path; and

    an autonomous coverage robot comprising;

    a body;

    a drive system carried by the body and configured to maneuver the robot across the property interior;

    a manual handle configured to be attached to the body;

    a handle connector carried by the body, the handle connector configured to detect if the manual handle is extended relative to the body;

    a signal emitter emitting a signal, the passive boundary responder responsive to the signal; and

    a boundary detection system carried by the body configured to generate a map including a closed loop property boundary which defines the perimeter of the property interior region when the handle connector detects that the manual handle is extended relative to the body, and configured to detect the at least one passive boundary responder when the robot is located above the passive boundary responder, and any detectable natural boundaries within the property interior, the drive system configured to redirect the robot when the handle connector detects that the manual handle is not extended relative to the body to move within the closed loop of the property boundary and among the at least one passive boundary responder and the detectable natural boundaries in response to the boundary detection system detecting any one of the robot being located at the property boundary, a passive boundary responder, and a detectable natural boundary.

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