Method for driving stepping motor for head seek in disk drive device
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United States of America Patent
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-
Dec 3, 1996
Grant Date -
N/A
app pub date -
Jan 21, 1993
filing date -
Jan 30, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
In a method for driving a head-seek stepping motor of a disk drive device of the kind performing a head seek to move a recording or reproducing head in a radial direction of a disk-shape recording medium by driving the stepping motor according to pulses of a step signal, a period of time for exciting the stepping motor at one time in response to each pulse of the step signal is set at a length of time which is shorter than a pulse interval of the step signal and which is a minimum length of time necessary for the head seek when the pulses of the step signal are continuously inputted for a continuous head seek, and a re-exciting action is performed on the stepping motor in its last excited phase for a given period of time at the end of the continuous head seek.
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