| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an anti-theft device and an anti-theft system, allowing the prompt drive of a vehicle even when a user forgets his personal code number. <P>SOLUTION: A hydraulic shovel 100 can be started by using another manager code number besides the user code number. The manager code number is a number predetermined in factory delivery, e.g., which is managed by a responsible manager. When an operator forgets the user code number, the operator can start the hydraulic shovel 100 after acquiring the manager code number from the responsible manager via a phone or others. <P>COPYRIGHT: (C)2004,JPO |
