| 摘要 |
A digital tachograph (10) is described having a vehicle unit (12), a speed sensor (14), a smart card interface (18), a display (20), a communications interface (22) and an alarm (24). The tachograph may read data from and/or write data to a smart card inserted into the smart card interface (18). In one embodiment, the smart card stores data regarding a person requesting permission to drive a vehicle, wherein the digital tachograph comprises means for preventing the operation of said vehicle if any of one or more conditions are not met. The tachograph may communicate with a remote server (26) via the communications link. The tachograph may communicate with a driver via the display (20) and the alarm (24). |
