| 摘要 |
A data recorder for recording data that prevents buffer overrun errors emits a laser beam against a recording medium to record data. The data has a level that determines the power of the laser beam. When there is a possibility of a buffer overrun, data recording is interrupted. The interruption is carried out when the power of the laser beam is a low level. Data recording is restarted with the laser beam generated at the low level.
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