Information distribution method information distribution system communication terminal information distribution apparatus and duplicate distribution preventing method

摘要

A content provision request including requestor identification information and information-identification information is transferred from the mobile telephone terminal to the content distribution server apparatus, and the content distribution server apparatus transmits the content provision request to the content provision server apparatus.;The content providing server device refers to the distribution history list in the storage device to check whether the provision of the requested content is provided for duplicate purchase and transmits the inspection result to the mobile phone terminal through the content distribution server.;If the reception result is a duplicate purchase request, the mobile phone informs the user of the result.