E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
70/2, 70/3
E05B 47/00 (2006.01) G07C 9/00 (2006.01)
Patent
CA 2030266
ABSTRACT OF THE DISCLOSURE LOCK CYLINDER WITH SIGNAL TRANSMISSION BETWEEN THE KEY AND CYLINDER The invention relates to a lock cylinder with an associated key which, apart from its mechanical locking function, also allows the inductive transmission of an electric signal between the key and the lock cylinder, which can e.g. be used for the electronic identification of the key. The signal transmission is brought about by a coil (21) in the key and a coil (16) in the lock cylinder, which are arranged in such a way that their cores (22, 24 respectively), together with corresponding legs (15.1, 15.2) form a common, closed core for both coils in two positions of the rotary lock cylinder (12) differing by 180°. The reading legs (15.1, 15.2) are so arranged in the bore for the lock cylinder (12), that the core (22) of the key coil (21) slides between them during key insertion and is posi- tioned between them when the key is completely inserted. This not only permits a signal transmission when the key is completely inserted, but also during its insertion process.
Bauer Kaba Ag
Garrett Kenneth M.
Hausmann Peter
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