Apparatus for generating motor driving control signal
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United States of America Patent
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Sep 1, 2015
Grant Date -
May 1, 2014
app pub date -
Jan 22, 2013
filing date -
Oct 29, 2012
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Abstract
There is provided an apparatus for generating a motor driving control signal, the apparatus including: an oscillating unit generating an oscillating signal having a preset duty ratio; a selecting unit including a first switch switching a first path connected between the oscillating unit and an output terminal and a second switch complementarily operated with respect to the first switch and switching a second path connected to the first path in parallel; and a duty adjusting unit installed on the second path between the second switch and the output terminal, adjusting a duty ratio of the oscillating signal according to a rotation speed signal of a motor, and outputting the signal having the adjusted duty ratio as a driving control signal through the output terminal.
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