Patent ID: 7970137
Filing Date: 2011-06-28
Classification: H04N

Abstract:
1. A content reproduction apparatus comprising: an original content reception section for receiving streams of original content; an encrypted content transmission section for encrypting the streams of original content received by the original content reception section for transmission so as to be recorded on an external content recording apparatus through a network; an information transmission section for transmitting information about the transmitted content including at least identifying information of a self apparatus so as to be recorded on a recording medium of the content recording apparatus in association with the encrypted streams of content to the content recording apparatus through the network; a content requesting section for requesting the content recording apparatus to acquire the encrypted streams of content recorded on the recording medium in association with the identifying information of the self apparatus through the network; and a content reproduction section for receiving the encrypted streams of content transmitted from the content recording apparatus through the network in accordance with the request, and decrypting the encryption for reproduction an updating section for updating the encrypted streams of content recorded on the recording medium with the streams of public content received from the content reproduction apparatus through the network; an attribute management section for managing a “public/non-public” attribute of the content recorded on the recording medium, and assigning the “public” attribute to the content updated to the streams of public content by the updating section; and a public content response section for returning the streams of public content assigned the “public” attribute in accordance with a request for public content from the content reproduction apparatus.