METHOD FOR CONTROLLING ACCESS SPEED, APPARATUS FOR RECORDING/PLAYBACK, AND METHOD FOR RECORDING/PLAYBACK

摘要

The present invention relates to an apparatus for recording/playback including a pickup part that shines light onto a recording medium to receive reflected or diffracted light and provides a method for controlling access speed comprising a step wherein received light is used to record data and generate playback signals, a step wherein the generated playback signal values are verified, and a step wherein, if the play signal value exceeds a reference value, the speed at which the recording medium is accessed by the pickup part is adjusted.