Patent ID: 6222807
Filing Date: 2001-04-24
Classification: G06Q,G11B,G11C

Abstract:
An information center for storing in advance a plurality of pieces of information each unique to a recording medium and for authenticating proper use of a specific recording medium mounted on a terminal apparatus connected to said information center on the basis of information unique to said specific recording medium transmitted by said terminal apparatus to said information center, said information center comprising:storage means for storing in advance said plurality of pieces of information each unique to a recording medium;reception means for receiving said information unique to said specific recording medium mounted on said terminal apparatus transmitted by said terminal apparatus;comparison means for comparing said information unique to said specific recording medium mounted on said terminal apparatus received by said reception means from said terminal apparatus with said plurality of pieces of information each unique to a recording medium stored in advance in said storage means; andcontrol means for controlling processing carried out by said terminal apparatus in case said comparison means finds that said information unique to said specific recording medium mounted on said terminal apparatus does not exist in said storage means.