Linear stepper motor drive with a read/write head in a floppy disc system
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United States of America Patent
Stats
-
Mar 22, 1983
Issued Date -
N/A
app pub date -
Feb 11, 1980
filing date -
Jan 26, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A linear stepper motor drives a read/write head in a radial path across a floppy disc. The linear stepper motor comprises a stator including a plurality of pole positions having windings associated therewith which are energized in different phases and a slider. The slider includes a plurality of teeth which cooperate with the teeth of the stator at the various pole positions so as to form a variable reluctance path through the slider. Longitudinally extending grooves of the slider cooperate with similar grooves in the stator to receive bearings for supporting the slider in the stator-to-stator air gap of the stator.
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