Patent ID: 8146809
Filing Date: 2012-04-03
Classification: G06F,H04L

Abstract:
1. An authentication system including a plurality of terminals including an identification information reading device reading identification information for identifying a registered user, and a data processing device performing data communication with said plurality of terminals through a network; wherein said terminal includes first storage storing in advance an identification ID unique to said terminal, an identification information reading method supported by said identification information reading device, and limiting information for limiting said registered user from among users, related to each other as first data, a first transmitting device transmitting said first data to said data processing device, a first receiving device receiving a signal indicating said identification information reading method used by said identification information reading device, from said data processing device, a setting device setting said identification information reading method used by said identification information reading device, based on said indicated identification information reading method, a determining device determining whether or not a user is said registered user, based on whether or not said identification information can be read by said set identification information reading method, and a controller controlling an operation of said terminal based on the result of said determination; and said data processing device includes second storage storing in advance said limiting information and said identification information reading method usable only by said registered user, in relation with each other as second data, a second receiving device receiving said first data transmitted from said terminal, a deciding device deciding an identification information reading method used by said identification information reading device based on said received first data and said second data, and a second transmitting device transmitting a signal indicating said decided identification information reading method to said terminal having corresponding said identification ID.