| 摘要 |
A remote control and a robot cleaner for cleaning a designation area and a method of setting coordinates are provided to increase the satisfaction to a user by priorly cleaning an area desired by a user. A remote control for cleaning a designation area comprises an optical transmitting/receiving part(101), a position calculating part(102), and a control part. The optical transmitting/receiving part transmits a beam to the designation area if a user designates an area to be cleaned, and receives the beam if the beam transmitted returns. The position calculating part calculates the current position of beam transmitted. The control part calculates the coordinates of designation area by using the current position calculated and the time for returning the transmitted beam. The remote control also includes an input part(100) for designating the designation area, a coordinates transmitting part(104), and an alarming part. The alarming part displays a receiving confirmation signal for the coordinates transmitted to a user.
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