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ROBOT CLEANING SYSTEM AND METHOD FOR CHARGING THE SAME

  • US 20150202772A1
  • Filed: 12/23/2014
  • Published: 07/23/2015
  • Est. Priority Date: 01/17/2014
  • Status: Active Grant
First Claim
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1. A robot cleaning system comprising:

  • a robot cleaner comprising;

    a sensor for receiving a specific signal sound,a rechargeable battery, anda control unit; and

    a recharging base comprising;

    an audio output device for outputting the specific signal sound,wherein the control unit calculates a distance and a direction from the robot cleaner to the recharging base based on the signal sound received by the sensor, and controls the robot cleaner to move based on the calculated distance and direction, when a remaining amount of the battery is less than a preset value, andwherein the robot cleaner docks with the recharging base to recharge the battery of the robot cleaner.

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