Method of correcting speed of encoder and apparatus therefor
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United States of America Patent
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-
Aug 26, 2008
Grant Date -
Nov 30, 2006
app pub date -
Mar 9, 2006
filing date -
May 28, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of correcting the speed of an encoder and an apparatus therefor are provided. The method includes the steps of detecting an electrical signal corresponding to a driving speed of a motor, calculating driving speed values of the motor in sections of the electrical signal, respectively, storing the calculated speed values in the order of calculation, selecting an intermediate speed value among the speed values calculated from the three or more continuous sections, and correcting the driving speed of the motor in accordance with the selected intermediate speed value.
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