According to the transponder - principle, the apparatus 1 according to the key - and lock system, as well as lock and key for such a system

摘要

In a system (1) with a lock (2) and a key (3) the lock (2) is provided with a write/read device (13) and a write/read coil (19) connected thereto, and the key (3) is provided with a transponder unit (14) and a transponder coil (32) which is connected thereto; the two coils (19, 32) are inductively coupled when the key (3) has been inserted into the lock (2) and occupy a position relative to one another in which the coil axis (20) of the write/read coil (19) and the coil axis (33) of the transponder coil (32) enclose an acute angle (α).