METHOD AND MODULE FOR CONTROLLING ROTATION OF A MOTORIZED SPINDLE
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United States of America Patent
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Issued Date -
Mar 18, 2010
app pub date -
Sep 18, 2008
filing date -
Sep 18, 2008
priority date (Note) -
Abandoned
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Abstract
In a method and module for controlling rotation of a motorized spindle driven by a driving unit, a sensing unit is adapted for sensing vibration of the spindle and generates a voltage signal corresponding to the vibration of the spindle. A processing unit is coupled to the sensing unit for receiving the voltage signal therefrom, and outputs a control signal corresponding to the voltage signal upon detecting that the voltage signal is greater than a reference voltage corresponding to a predetermined vibration level of the spindle, such that the driving unit adjusts a rotation speed of the spindle in response to the control signal from the processing unit.
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