Motor driving system compatible with different types of encoders
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United States of America Patent
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Jun 28, 2011
Grant Date -
Mar 25, 2010
app pub date -
Dec 15, 2008
filing date -
Sep 19, 2008
priority date (Note) -
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Abstract
A system compatible for different types of signals relates to a motor includes a differential amplifier, a comparator, and a transmitting device. The differential amplifier is configured to receive one of a differential digital pulse signals pair and a differential analog signals pair. The differential digital pulse signals pair is converted to a first digital signal, and the differential analog signals pair is converted to an analog signal by the differential amplifier. The comparator is configured to convert the analog signal into a second digital signal. The first digital signal is received and outputted by the comparator. The transmitting device is configured to convert a data signals pair to a binary code, and convert differential reference digital signals pairs to reference digital signals. The reference digital signals, the first and second digital signals are received by an external computing device.
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