Patent ID: 6732826
Filing Date: 2004-05-11
Classification: A47L,G05D

Abstract:
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.