DC motor control device and game machine
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United States of America Patent
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Jun 5, 2018
Issued Date -
N/A
app pub date -
Sep 17, 2015
filing date -
Oct 27, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A DC motor control device includes a communication circuit configured to receive a control command specifying a target rotation amount for a DC motor, a sensor interface configured to receive a detection signal from a rotational angle sensor that outputs the detection signal every time the DC motor rotates by a certain rotational angle, a step counter that outputs a count signal every time the detection signal has been received a certain number of times, a controller that, based on the number of times the count signal received, determines a step count representing the total amount of rotation, and generates a control signal that controls the DC motor in accordance with the step count and the target rotation amount, and a drive signal generation circuit that generates a drive signal that rotates the DC motor in accordance with the control signal.
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