| 摘要 |
A REPRODUCING METHOD AND APPARATUS (1 OR 7, 25 OR 29) FOR RECEIVING AND REPRODUCING DATA AND OUTPUTTING THE DATA INTO AN EXTERNAL DEVICE (7 OR 1, 29 OR 25).AFTER REPRODUCING THE DATA, A DESCRAMBLER CORRESPONDING TO A TYPE OF THE REPRODUCED DATA IS SELECTED FROM A PLURALITY OF DESCRAMBLERS (128,11,12) AND THE EXTERNAL DEVICE IS AUTHENTICATED BY A SELECTED AUTHENTICATOR WHICH IS INCLUDED IN A PLURALITY OF AUTHENTICATORS (127,8,9,10) FOR AUTHENTICATING THE EXTERNAL DEVICE AND CORRESPONDS TO THE SELECTED DESCRAMBLER, AND THE DATA IS OUTPUTTED.(FIG 1)
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