| 摘要 |
A seek operation control apparatus includes first and second position signal generators. By using a position signal from the first position signal generator, the head can be driven and moved before a track position to be moved is designated in the seek mode. After the seek instruction is completely input, the second position signal generator is used to generate a position signal having a predetermined waveform at the track position designated by the seek instruction. When the head comes close to the designated track position, the position signal is switched to accurately move the head to the designated position at high speed.
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