| 摘要 |
An information-recording medium is provided, which comprises a logical block recorded with secondary information and including an address information area, wherein the secondary information is recorded by inverting the phase of a fixed pattern including, for example, a synchronization signal or a resynchronization signal recorded in the logical block. Those used as the pattern for recording the secondary information are fixed patterns including, for example, a wobble pattern, a pit pattern, a recording pattern, and a domain pattern. Therefore, no trouble arises in the reproducing operation of a medium-driving apparatus.
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