Reproducing equipment and its designated equipment, designated system, designated method and recording medium
A technique for reproducing equipment and recording media, which is applied in the field of designated equipment for reproducing equipment and digital watermarking, and can solve problems such as adding viewing and listening
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[0055] Embodiments of the present invention will be described with reference to the drawings. First, the reproduction device designation designation system of the present embodiment will be described in outline using FIG. 1 .
[0056] FIG. 1 is a block diagram of a reproduction device specifying system of an embodiment of the present invention.
[0057] In the example shown in FIG. 1, the replicator 10 reproduces the original recording medium 1 using the reproducing device 3 and performs illegal duplication onto the duplicate recording medium 2 using the AV signal recording device 4.
[0058] The duplicate recording medium 2 then appears as physical evidence of illegal duplication performed by the copier 10, and the reproducing device specifying device 5 is used to clarify the fact that the duplicate recording medium 2 was made by duplication using the reproducing device 3.
[0059] It can be considered that it has been found in advance that the replicator 10 does not have th...
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