| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an antitheft device for construction machinery which facilitates identification and an operation of an input switch at night or the like, and can suppress unnecessary power consumption. <P>SOLUTION: The antitheft device for construction machinery is equipped with a controller 41 which determines whether or not a personal identification number inputted through a ten-key pad 54 coincides with the personal identification number previously memorized, and releases the lock state of the construction machinery when it is determined that the personal identification numbers are coincided with each other. The antitheft device is equipped with the ten-key pad 54 inputting the personal identification number, setting keys 55 indicating for setting and changing the personal identification number, and a plurality of illuminating lamps 60 provided corresponding to the cancel keys 56 indicating the cancellation of the personal identification number to be inputted respectively. The controller 41 turns on the light of the illuminating lamp 60 when the construction machinery is in the locking state and the key switch 31 indicating ON/OFF of the power source is switched to the ON position, and turns off the light of the illuminating lamp 60 when it is determined that the personal identification numbers are coincided with each other. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
