Patent ID: 8565725
Filing Date: 2013-10-22
Classification: G07C

Abstract:
1. A secured system for controlling the opening of lock devices, comprising: at least one lock device provided with electronic circuits for controlling locking/unlocking mechanical members; a mobile phone at the disposal of a user authorized to open the lock device; a remote management site; and a mobile network operator, coupled to the management site and to the mobile phone, the system being characterized in that: the remote management site comprises: the system comprises means for secured transmission of said accreditation data from the management site to the mobile phone of the corresponding authorized user; the phone comprises an electroacoustic transducer capable of reproducing said acoustic accreditations; the lock device comprises an 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 the lock device comprises means for recognizing, analyzing and authenticating the acoustic accreditations picked up by the transducer, and operating the unlocking of the mechanical members upon recognizing a compliant accreditation.