Apparatus equipped with motor
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United States of America Patent
Stats
-
Sep 22, 2015
Grant Date -
Nov 17, 2011
app pub date -
Apr 27, 2011
filing date -
May 11, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus includes a driven member, a DC brushless motor, a first signal generation unit configured to output a first signal according to rotation of the DC brushless motor and to change an output value of the first signal each time the DC brushless motor rotates by a predetermined amount, a movement unit configured to move the driven member by a driving force of the DC brushless motor, a second signal generation unit configured to output a second signal each time the driven member moves by the predetermined amount, and a control unit configured to control driving of the DC brushless motor based on the output value of the first signal and a value of a number of times that the second signal is output during a period in which the DC brushless motor rotates by a predetermined amount.
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