US Patent 7617975 Service providing system and method

A delivery service providing system including identifier control database for registering a plurality of ticket identifiers; for judging whether or not the ticket identifier has been registered in the identifier control database; and a delivery service providing unit for transmitting contents defined by the contents request with a sub ticket identifier relating to the ticket identifier toward the user's unit through the access point terminal in case that it is judged that the ticket identifier has been registered in the identifier control database.