Patent ID: 8074254
Filing Date: 2011-12-06
Classification: G06Q,H04H,H04L,H04N

Abstract:
1. A recording device comprising: receiving device receiving at least a data stream having a predetermined broadcast bandwidth, the data stream including (a) a first data stream including audio and video data, the first data stream being a data broadcast, and (b) a second data stream including audio and video data, the second data stream being multiplexed television broadcasting programs, wherein a bandwidth of the data broadcast being on a remaining broadcast bandwidth of the predetermined broadcast bandwidth not used by the television broadcasting programs; separating device separating the multiplexed data stream into the first data stream and the second data stream based upon the remaining broadcast bandwidth and the predetermined broadcast bandwidth respectively; a recording medium on which both the first and the second separated data streams are recorded on different areas of the recording medium; playback device playing back the first data stream that has been recorded on the recording medium; and record controlling device controlling a given area of the recording medium so that only the first data stream is permitted to be recorded on the given area; wherein an area of said recording medium is divided into a provider-specific area as the given area and a user-specific area as remaining areas of the recording medium.