Patent ID: 7496669

Claim:
A content distribution system, comprising: a content distributing apparatus configured to distribute content; a receiving apparatus configured to receive the distributed content; and a server, wherein the server includes means for acquiring a name of a radio broadcast station and a title of content presented by the radio broadcast station; means for generating a radio broadcast station ID and a content ID for identifying the content based on the information acquired by the means for acquiring, wherein the generated radio broadcast station ID and content ID are different from the acquired name of a radio broadcast station and title of content; means for storing the radio broadcast station ID and the content ID by associating the radio broadcast station ID with the content ID; and means for transmitting the radio broadcast station ID and the content ID stored in the means for storing to a second information processing apparatus in response to a request from the second information processing apparatus through a network, and transmitting the radio broadcast station ID and the content ID stored in the means for storing to a third information processing apparatus which generates a tag code based on the received information and broadcasts the tag code to a plurality of receiver apparatuses, wherein the means for acquiring acquires a validity-condition concerning validity of presentation of the content from the radio broadcast station, the means for storing stores the validity-condition by associating the validity-condition with the radio broadcast station ID and the content ID, the means for transmitting transmits the validity-condition to the second information processing apparatus, and the second information processing apparatus, that is different from the receiving apparatus, receives another content ID from the receiving apparatus and checks whether the another content ID from the receiving apparatus is same as the content ID stored in the storage means.