| 摘要 |
An optical disk apparatus for use with a recordable optical disk, which is provided with a clock signal generator configured to generate standard clock signals for data recording such that the location of the data recording restart following an interruption on the optical disk coincides precisely with that of finish of the previous recording. Included in the clock signal generator, a second frequency and phase detector is configured to compare the frequency and phase of a frame synch signal with those of the signal obtained by the 1/588 division of channel clock signals, and control a variable divider to set its dividing ratio 1/50 so as to increase the frequency of channel clock signals, when the interval between frame synch signals is smaller than the period of the 588 channel clocks; while to set the ratio 1/48 to decrease the frequency of channel clock signals, when the interval is larger than the above period.
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