| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electric power tool manufactured at a lower cost and easily preventing theft, and also to provide a management system used for the same. <P>SOLUTION: The electric power tool 50 is used in the management system 100 including one or plural electric power tools 50 and a management device 20 for managing the work situation of the electric power tool 50, and is equipped with: a motor 2; a control part 9 for controlling the rotation of the motor 2; and a radio communication part 8 for carrying out radio communication of predetermined work information about work contents with the management device 20. When radio communication between the management device 20 and the radio communication part 8 is disabled, the control part 9 detects the failure and carries out switching so as to prohibit the rotation of the motor 2. <P>COPYRIGHT: (C)2011,JPO&INPIT |
