Reproducing apparatus, recording apparatus and display apparatus
AssigneeHitachi, Ltd.
InventorsOsamu KAWAMAE, Toshifumi Takeuchi, Hiroyuki Kimura, Takao Arai, Hiroshi Yoshiura
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AssigneeHitachi, Ltd.
InventorsOsamu KAWAMAE, Toshifumi Takeuchi, Hiroyuki Kimura, Takao Arai, Hiroshi Yoshiura
Estimating the term…
An authentication method for use in sending/receiving data between a coded data output apparatus for outputting coded data having a water mark, and a recording apparatus for recording data onto a recording medium, the method including: deciding a type of the recording medium used by the recording apparatus; based on a result of the deciding, selecting, from a plurality of authentication methods, an authentication method corresponding to the type of the recording medium, and conducting authentication between the coded data output apparatus and the recording apparatus, using the authentication method; sending/receiving data between the coded data output apparatus and the recording apparatus after conducting the authentication; and in a case where the coded data has the water mark, detecting the water mark by the coded data output apparatus, wherein the data exchanged between the coded data output apparatus and the recording apparatus is scrambled by a scrambling method corresponding to the type the recording medium.
(canceled)
An authenticating method for a recording apparatus capable of recording, onto a plurality of recording mediums of different types, scrambled data as is that is outputted from a data output apparatus,
An authenticating method for a reproducing apparatus capable of reproducing data that is recorded in a scrambled state in a plurality of recording mediums of different types and outputting the reproduced data to a decoding apparatus,
A recording apparatus capable of recording, onto a plurality of recording mediums of different types, scrambled data as is that is outputted from a data output apparatus, comprising:
A reproducing apparatus capable of reproducing data that is recorded in a scrambled state in a plurality of recording mediums of different types and outputting the reproduced data to a decoding apparatus, comprising:
Dependencies are inferred from the claim text.