Patent ID: 8515991

Claim:
A content presentation apparatus, comprising: a processing unit configured to control a registration to and a readout from a database in an internal storage medium storing a first content data, to control a reproduction from an external storage medium storing a second content data, and to retrieve a content name of said first content data in response to a transmission of a retrieval key and a content name of said second content data in response to a transmission of said retrieval key; and a network interface that transmits said retrieval key over a network, and receives a content name of a third content data and content identification information of the third content data over said network, in response to a transmission of said retrieval key over said network, wherein the network interface transmits said retrieval key and the content identification information of the third content data over said network, wherein the network interface receives a content name of a fourth content data over said network in response to a transmission of said retrieval key and the content identification information of the third content data over said network, the processing unit further configured to generate a content presentation image including said content name of said first content data, said content name of said second content data, and said content name of said third content data, to detect, based on said retrieval key, said content name of said first content data, and to detect, based on said retrieval key, said content name of said second content data, the content presentation image further including said content name of said fourth content data.