| 摘要 |
he invention relates to the automatic locking of the entrance of a multi-floored building. The hereinafter described locking system is composed of 4 separated accessories: the central control unit 5, the electric safety lock 1, the entry reader 14,and the exit button 10. In addition to the existing lock keeper 3, said automatic locking system locks up and secures the entrance, at predetermined hours or for 24 hours a day, with the use of an electric safety lock bearing a moving pin. Via the entry reader 14 it controls access permitted only to persons whose card or code is registered in the central control unit memory 5. Furthermore, it registers the date, the time and the code of the persons entering the building, it informs, via specialrelays, on possible breakdown or on the non-closure of the door, it is connected to analogue or cellular telephony network for remotely controlling the access, it is connected to a computer for programming purposes, and it autonomously operates, without electric energy, for 8 hours thereabouts. |
