Automatic charging system and method of robot cleaner

  • US 6,859,010 B2
  • Filed: 06/23/2003
  • Issued: 02/22/2005
  • Est. Priority Date: 03/14/2003
  • Status: Active Grant
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First Claim
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1. An automatic charging system of a robot cleaner comprising:

  • a rotating plate installed at a robot cleaner;

    an infrared ray receiving unit mounted at the rotating plate and receiving an infrared signal generated from a power supply unit while being rotated;

    a microcomputer for moving the robot cleaner to the power supply unit on the basis of the received infrared signal; and

    an ultrasonic generator for generating a stop signal when the robot cleaner nears to the power supply unit, wherein the microcomputer stops movement of the robot cleaner on the basis of the stop signal, and the robot cleaner receives power from the power supply unit according to a control signal from the microcomputer.

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