| 摘要 |
PROBLEM TO BE SOLVED: To provide a robot cleaning system and an external charger resetting method for reducing production cost and improving a sensing distance by improving the structure. SOLUTION: This system comprises an external charger, including a charging stand provided with a charging terminal and a plurality of transmission parts for transmitting signals of codes and strengths different from each other provided at a predetermined position of the charging stand, and a robot cleaner including a charging battery, a connection terminal for supplying a power source to the charging battery by connecting to a charging terminal, a receiving part for receiving the signals from a plurality of transmitting parts, and a control part for controlling travel so as to connect the connection terminal to the charging terminal by using the signal sensed by the receiving part. COPYRIGHT: (C)2006,JPO&NCIPI
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