| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electric hand tool improved in handiness by facilitating authentication or operation of registering an authentication ID. <P>SOLUTION: A working tip 3 driven by an electric drive 2 fed from a power supply source 1 such as a battery or a commercial power source, a power source connection detecting part 4 detecting connection to the power supply source 1, an authentication part 6 using matching of an input authentication ID with a registered ID stored in an ID storage part 5 as an authentication establishing condition, an ID writing part 7 writing the authentication ID input into the authentication part 6 into the ID storage part 5 in an operating state, and a drive managing part 8 determining propriety of driving of the electric drive 2 to a request for driving are included. The ID writing part 7 starts operation by establishment of authentication by the authentication part 6 in a predetermined time counted from detection of the power source connected by the power source connection detecting part 4, and the drive managing part 8 allows driving of the electric drive 2 on condition that authentication is established when the ID writing part 7 is inoperative. <P>COPYRIGHT: (C)2012,JPO&INPIT |
