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Robot cleaner and method of operating the same

  • US 9,180,596 B2
  • Filed: 08/28/2013
  • Issued: 11/10/2015
  • Est. Priority Date: 03/21/2013
  • Status: Active Grant
First Claim
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1. A robot cleaner comprising:

  • a main body;

    a traveling unit to allow the main body to travel;

    a cleaning unit to suction foreign substances around the main body during the traveling;

    a sensor unit that is rotatable to sense an obstacle using light reflected or scattered by the obstacle; and

    a controller to control the traveling unit so as to travel along a traveling path and to control the cleaning unit so as to perform cleaning,wherein the sensor unit comprises a first mode and a second mode that are set to differ from each other in sensitivity with respect to the reflected or scattered light, andthe controller changes the sensitivity of the sensor unit when a set mode is changed between the traveling and the searching for a reflective sheet.

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