| 摘要 |
PROBLEM TO BE SOLVED: To implement a self-traveling cleaner which can automatically start cleaning in the absence of a user, without cost increase.SOLUTION: In a control unit 52 of a self-traveling cleaner 1, when a communication terminal device 3 associated with the device itself beforehand, falls out of the range of a communication possible distance in a communication method which is limited in communication possible distance, from a communication server 200 that performs communications using such a communication method, the control unit 52 starts movement of the device itself and cleaning. |
