| 摘要 |
A method for head positioning utilizing a positioning device that moves a head includes receiving position commands that control the positioning device and determining whether or not the distance between the current position and the movement target position exceeds the predetermined threshold, and if the above-mentioned distance does not exceed the above-mentioned predetermined threshold, moving the head along a predetermined fixed path, while if the above-mentioned distance exceeds the above-mentioned predetermined threshold value, selecting one of a plurality of other paths and moving the head along the selected path. Thus, the speed of head positioning is increased.
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