Patent ID: 8578438
Filing Date: 2013-11-05
Classification: H04N

Abstract:
1. A content playback apparatus, comprising: a memory configured to store content data after a first download of the content data from a content supply apparatus; and a processor configured to: request a second download of the content data from the content supply apparatus, when the content data downloaded during the first download has been erased, receive recovery information from the content supply apparatus in response to the request for the second download, the recovery information indicating whether the second download is permitted, request a start-up file from the content supply apparatus based on the received recovery information, receive the start-up file from the content supply apparatus, the start-up file including a first location where the content data is stored in the content supply apparatus and a second location where license data corresponding to the content data is stored in the content supply apparatus, and perform the second download based on the start-up file, the second download comprising the content data and the license data, wherein the recovery information indicates that the second download is permitted when a number of recoveries performed by the content playback apparatus is less than a maximum number of recoveries, and the processor is further configured to request the content supply apparatus to delete the start-up file after the second download has been completed.