| 摘要 |
<P>PROBLEM TO BE SOLVED: To adjust a skew amount between recording strategy signals in an optical disk recording device without sharply increasing a circuit scale. <P>SOLUTION: An optical disk recording device outputs a pulse signal whose duty ratio is 50% to a first channel as a first recording strategy signal and to a second channel as a second recording strategy signal, and performs writing in an optical disk by using at least the first recording strategy signal which has passed through the first channel and the second recording strategy signal which has passed through the second channel, and converts return rays of light in the case of performing the writing into an electric signal, and limits the voltage level of the electric signal to a predetermined threshold voltage or more or a predetermined threshold voltage or less, and detects a skew between the first recording strategy signal which has passed through the first channel and the second recording strategy signal which has passed through the second channel on the basis of the electric signal whose voltage level is limited. <P>COPYRIGHT: (C)2013,JPO&INPIT |
