Patent ID: 7551535

Claim:
A reproducing apparatus which reproduces information recorded on a recording medium, comprising: a pickup which reads information including recording medium identifier information, a first content, and a second content recorded on the recording medium, wherein both the first content and the second content are audio visual information; a reproducing signal processing circuit which reproduces the information read by the pickup; a memory which stores a plurality of recording medium identifier information sets which have ever been processed by the reproducing signal processing circuit; and a controller which controls the reproducing apparatus; wherein the recording medium identifier information includes an ID unique to the recording medium; wherein the controller permits reproduction of the second content when the recording medium identifier information stored in the memory satisfies a predetermined requirement; wherein the first content can be reproduced whether or not the recording medium identifier information satisfies the predetermined requirement, and wherein the predetermined requirement includes a number of the recording medium identifier information sets, stored in the memory, that are required to reproduce the second content.