Driving Signal Generator and Method of Generating Driving Signal
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United States of America Patent
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Issued Date -
Dec 3, 2015
app pub date -
Jul 19, 2014
filing date -
May 27, 2014
priority date (Note) -
Abandoned
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Abstract
A driving signal generator for driving a transducer includes: an input terminal for receiving a control signal; and a digital filter, coupled to the input terminal, for generating a driving signal to drive the transducer in response to the control signal. The digital filter is a notch filter, and the transfer function of the digital filter is related to the characteristics of the transducer.
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