| 摘要 |
PROBLEM TO BE SOLVED: To provide a self-propelled in-tube inspection robot that can easily and reliably switch the stop, forward rotation, and/or reverse rotation of a drive motor for traveling by a simple configuration, dispenses with a full-service operator and large-scale facilities, has improved mass productivity and operability, can photograph the surface of the inner wall of a sewer quickly and efficiently, and has improved efficiency in inspection work. SOLUTION: The self-propelled in-tube inspection robot has the drive motor for traveling, and an acoustic switch for controlling the switching of the stop, forward rotation, and/or reverse rotation of the drive motor for traveling by receiving acoustic signals from the outside. COPYRIGHT: (C)2009,JPO&INPIT
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