Daughter circuit board for interface signal conversion
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United States of America Patent
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Nov 11, 2014
Issued Date -
N/A
app pub date -
Jan 8, 2013
filing date -
Mar 30, 2012
priority date (Note) -
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Abstract
A daughter circuit board of a brushless DC motor for interface signal conversion, having circuit units integrated on the daughter circuit and eight ports for communicating with a control system of a user terminal. The daughter circuit board is plugged into a motor controller for signal conversion so that the motor controller communicates with the control system of the user terminal. The eight ports include a signal input port of analog control, a signal port for activating a fan mode, signal ports of speed feedback, a reserved signal port, a port of COM, a port of DC power supply, and a R/T port.
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