Data transfer system, data transfer apparatus, data...

Cryptography – Communication system using cryptography – Having compression

Reexamination Certificate

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Details

C380S037000, C380S200000, C380S217000

Reexamination Certificate

active

10297955

ABSTRACT:
It is an object to provide an efficient transfer of content data. In a case of transferring the content data from a data transfer device on a primary recording medium side to a data recording device to record the content data in a secondary recording medium, a data compression system and a bit rate that are conformable to the data recording device are compared with a data compression system and a bit rate of the content data to be sent, so that a required transfer processing is brought into realization according to a result of the comparison. For instance, when both the data compression systems are equal, and the bit rate of the content data is not more than the bit rate that is conformable to the data recording device, the content data is sent as it is in an encrypted compressed data state.

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