| 摘要 |
The closure device of the invention includes at least one electronic key device (1) comprising a reprogrammable memory (14A), a connection contact (1'), a transmitter/receiver device (12, 13 and 18), a coder (15), a decoder (19) and a temporary memory (20), this key device interacting with a receptacle device (2) comprising a connection contact appropriate to that of the key and linked to a transmission network (3) to which a master supervision module (5) and at least one active satellite module (6) are linked, each module including at least one reprogrammable memory (55A, 55B), a receiver and decoder (50), a coder and transmitter (52), at least one comparator, the master module further including means for calculating a new code (29), stored in memory in all the corresponding reprogrammable memories, the active modules further including an actuation device (58). <IMAGE> |
