Patent ID: 6343284
Filing Date: 2002-01-29
Classification: G06Q,G07F

Abstract:
An Internet billing method which makes billing on the Internet possible, said method comprising the steps of:making a request, by a terminal, of a content server for a chargeable service by using a prepaid information medium which has predetermined information necessary for transactions; making a request, by said content server, of a prepaid information management server for authentication to check whether said prepaid information medium is authorized to be used for said chargeable service, and for billing for said prepaid information medium; sending, by said terminal, to said prepaid information management server, an ID stored in said prepaid information medium upon receipt of a request from said prepaid information management server; sending information for authentication to said terminal by said prepaid information management server; performing a predetermined operation for a concatenated value of said information and a password which is read from said prepaid information medium by said terminal; sending a result of the operation to said prepaid information management server; performing, by said prepaid information management server, the same operation as performed in said terminal of the concatenated value of said information and said password of said prepaid information medium, which password is stored in a database, and authenticating said prepaid information medium by verifying a result of the operation against the result sent from said terminal; performing, by said prepaid information management server, the billing for the prepaid information medium on the basis of usage of the chargeable service; and providing said terminal, by said content server, with said chargeable service.