Patent ID: 6622912
Filing Date: 2003-09-23
Classification: G07C

Abstract:
An electronic locking system for control of access, which allows the control of access of a user of an installation to certain areas, comprising the following elements:at least one physical device capable of storing a user code and an order code which represents the time at which said device is issued and optionally capable of storing zone codes which represent the zones accessible by said device, said user code and said order code being stored in a coded form according to a coding algorithm and a secret code which is different for each installation, an electromechanical locking system which controls access to said zones, said electromechanical locking system comprising electronic circuits, issuers of said at least one physical device which are capable of storing information in said at least one physical device, said information being stored in a coded form according to a coding algorithm and a secret key which is different for each installation, programmers capable of transferring information to said electronic circuits, and a computer which manages the system and is responsible for sending information to said physical device issuers and to said programmers.