Method for controlling access to premises by reading a graphical code present on an access ticket, and associated computer system and program

A system for controlling access to given premises for a user comprising:

• means for creating an access ticket giving access to a travel service, said ticket being a reproduced transport ticket enabling this user to make a journey, a graphical identifier being integrated in said access ticket and associated with information enabling said journey to be made when the reproduced access ticket is read on a medium;
• a control box of an electric door opener placed at at least one given premises independently of the journey, the ticket allowing access to the given premises, said box comprising an optical reader, said box triggering a release of the electric door opener when said graphical identifier reproduced on the medium is read.

At least one non-transitory computer-readable memory comprising program code instructions stored thereon for implementing 6 method of controlling access to given premises for a user when the program code instructions are executed by at least one processor, wherein the method comprises:

• creating an access ticket giving access to a travel service, said ticket being a reproduced transport ticket enabling this user to make a journey, a graphical identifier being integrated in said access ticket and associated with information making it possible to make said journey when the access ticket reproduced on a medium is read;
• and
• reading said ticket at at least one given premises independently of the journey, and subsequently unlocking an electric door opener triggered by the reading of said graphical identifier reproduced on the medium for allowing access to at least one of the given premises.