Patent ID: 7415619

Claim:
A digital signal recording disc comprising: a post cutting area, a lead-in area, and a data area, the data area storing main information, the post cutting area and the lead-in area including a first control area and a second control area, respectively, the second control area having sectors for recording copyright information which contains a first an SID code word and a first word of a copy inhibition code, wherein a modulation signal resulting from modulation with a phase encoding signal and representing a second SID code word and a second word of the copy inhibition code is recorded on the first control area in the post cutting area, the phase encoding signal having a phase depending on whether a bit is “1” or “0”, the first and second SID code words representing a disc producer, wherein the first and second SID code word is referred to and is collated with internationally-registered referenced SID code words by a reproducing apparatus when the main information is played back by the reproducing apparatus, wherein the first or second word of the copy inhibition code is recovered by the reproducing apparatus, and a decision about whether or not the recovered word of the copy inhibition code indicates copy inhibition is performed by the reproducing apparatus, and wherein the first and second SID code word is referred to before the main information is played back by the reproducing apparatus.