In the case of the process for secure access to a determined space, it is provided that after activation of the wearable object, a first coded signal is transmitted from the access or unlocking device, this first coded signal is received in the object and a coded response signal is transmitted with synchronization to the device after a defined time of transmission. A processing of the coded response signal converted in the processing unit of the device is conducted in order to check the defined time delay and the response code of the wearable object and to determine the flight times of the signals between the device and the wearable object. The distance separating the wearable object and the access or unlocking device is thus calculated to authorize access to the determined space if the calculated distance is below a determined threshold after recognition of the wearable object.
PROCÉDÉ ET SYSTÈME D'ACCÈS SECURISÉ À UN ESPACE DÉTERMINÉ AU MOYEN D'UN OBJET PORTABLE
METHOD AND SYSTEM FOR SECURE ACCESS TO A DETERMINED SPACE BY MEANS OF A PORTABLE OBJECT
VERFAHREN UND SYSTEM ZUM GESICHERTEN ZUGANG ZU EINEM BESTIMMTEN RAUM MITTELS EINES TRAGBAREN OBJEKTS
2023-03-15
Patent
Electronic Resource
French
IPC: | G07C TIME OR ATTENDANCE REGISTERS , Zeit- oder Anwesenheitskontrollgeräte / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze |
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