Patent ID: 8620268

Claim:
A secured system for controlling the opening of lock devices, comprising: at least one lock device provided with electronic circuits for the conditional control of locking/unlocking mechanical members based on previously defined access rights; a mobile phone at the disposal of a master-user; and a remote management site; the system being characterized in that: the remote management site comprises: a database of lock devices and authorized users with, for each lock device, an associated unique identifier and a list of authorized users with corresponding access right data; and a generator of accreditation data, the accreditations being encrypted acoustic accreditations in the form of single-use audio signals, adapted for allowing the programming of the lock devices with the access rights indexed in the database; the system comprises means for secured transmission of said accreditation data from the remote management site to the mobile phone of the master-user; the phone comprises an electroacoustic transducer capable of reproducing said acoustic accreditations; the lock device comprises: electroacoustic transducer capable of picking up the acoustic accreditations reproduced by the phone's transducer previously placed in the vicinity of the lock device; and means for recognizing, analyzing and authenticating the acoustic accreditations picked up by the transducer, and updating the access rights upon recognizing a compliant accreditation.