A tachograph, tachograph chip card and tachograph system

摘要

A a tachograph (20) comprises a for a predetermined operation of the tachograph (20) intended identification unit from values. The inventive tachograph (20) has a radio interface (24) which is constructed, a predetermined radio signal, which comprises a predetermined first user-specific identification information to receive and the first user-specific identification information to the identification unit from values to be forwarded. The inventive tachograph (20) is embodied, by means of the identification of the first user-specific identification information values unit to evaluate and in the presence of a positive evaluation of at least one vehicle door of the motor vehicle, in which the inventive tachograph (20) is arranged, to unlock and / or locking. The tachograph chip card (30) is designed, at least one first user-specific identification information and / or at least one second user-specific identification information, and wherein the first user-specific identification information and / or the second user-specific identification information is independent of a for the predetermined operation of the tachograph (20) predetermined identification information. The tachograph chip card (30) has a predetermined radio interface (34) and is designed, which at least a first preset user-specific identification information to be transmitted wirelessly.