Feedback controller, digital filter device, and storage device
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United States of America Patent
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Feb 11, 2003
Grant Date -
N/A
app pub date -
Dec 9, 1999
filing date -
Feb 19, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus has an input hold circuit for sequentially holding digital feedback signals sequentially transmitted at a sampling period, and for sequentially outputting the transmitted feedback signals or held feedback signals at a period which is shorter than the sampling period; a notch filter for applying a filtering processing to the feedback signals outputted from the input hold circuit; and an output hold circuit for sequentially outputting the feedback signals subjected to the filtering processing by said notch filter, while thinning the same, at a period which is same as the sampling period.
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