DRIVE CONTROL APPARATUS, CONVEYING APPARATUS, IMAGE FORMING APPARATUS AND DRIVE CONTROL METHOD
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United States of America Patent
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Issued Date -
Jul 21, 2016
app pub date -
Jan 19, 2016
filing date -
Jan 21, 2015
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Abstract
A drive control apparatus includes a controller which controls a drive unit based on a voltage instruction signal obtained from a target signal and an abnormality detection unit which obtains the voltage instruction signal M times in a detection time period. The abnormality detection unit detects occurrence of an abnormality in response to detecting that the voltage instruction signal is outside predetermined range N times in the detection time period, where M is equal to or more than 2 and N is equal to or more than 1 and N is less than M.
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