Robot cleaner, robot cleaning system and method for controlling same

  • US 6,732,826 B2
  • Filed: 04/04/2002
  • Issued: 05/11/2004
  • Est. Priority Date: 04/18/2001
  • Status: Active Grant
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First Claim
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1. A robot cleaner for performing a cleaning operation by communicating wirelessly with an apparatus external to the robot cleaner, comprising:

  • a driving unit for driving a plurality of wheels;

    an upper camera disposed on a main body in order to photograph an upper image perpendicular to a forward-looking direction parallel to the driving direction of the robot cleaner;

    a front camera disposed on the main body in order to photograph a front image viewed in the forward-looking direction of driving of the robot cleaner; and

    a controller for controlling the driving unit to allow the robot cleaner to drive within a cleaning area defined by a predetermined driving pattern, and for establishing a driving path along the predetermined driving pattern by analyzing the image photographed by the upper camera, wherein the controller creates an image map by three-dimensionally mapping the upper image photographed from the upper camera and the front image photographed by the front camera.

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