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Robot cleaner, system employing the same and method for re-connecting to external recharging device

  • US 20020153185A1
  • Filed: 04/05/2002
  • Published: 10/24/2002
  • Est. Priority Date: 04/18/2001
  • Status: Active Grant
First Claim
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1. A robot cleaner for performing a job while wirelessly communicating with an external device, comprising:

  • a driving portion for driving a plurality of wheels;

    at least one camera installed on a body of the robot cleaner, the camera for photographing external surroundings; and

    a controller for photographing an image through the camera for a recognition of a connection position where an external recharging device is connected with the robot cleaner and storing the photographed image, wherein the controller is used for controlling the driving portion so that the robot cleaner can move from the external recharging device to a destination when an operation start signal is received in the robot cleaner connected to the external recharging device, wherein the controller is used for tracing a path to the connection position of the external recharging device and the robot cleaner during a robot cleaner'"'"'s return to the external recharging device while comparing a current image currently taken by the camera with a stored image of the connection position of the robot cleaner and the external recharging device.

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