Pulse motor driving circuit and method of driving a pulse motor
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United States of America Patent
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May 16, 2017
Issued Date -
N/A
app pub date -
Apr 16, 2014
filing date -
Apr 18, 2013
priority date (Note) -
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Abstract
A pulse motor driving circuit for driving a pulse motor includes a first switch having a terminal that is connected with a positive terminal of a power source; a second switch having a terminal that is connected with a negative terminal of the power source; and a capacitor having a terminal connected with a limit element and having another terminal connected with another terminal of the first switch and another terminal of the second switch, wherein the limit element is provided between the positive terminal and the capacitor and limits a current, wherein the first switch is turned on and the second switch is turned off in a current application start period while the current starts to be applied, wherein the first switch is turned off and the second switch is turned on in a period other than the current application start period.
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