Game ticket including validation data, securitisation method and optical reader for such a game ticket

摘要

A gaming ticket (10) has validation data which are printed on the face (12) and which are covered with a layer of ink which is opaque with respect to the visible light. The layer of ink is partially transparent with respect to light whose wavelength differs from that of the visible light. Independent claims are also included for the following: (1) an optical reader; (2) a method for securing validation data of gaming ticket; (3) and a method for reading validation data of gaming ticket.