DRIVE CIRCUIT FOR AN ULTRASONIC MOTOR
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United States of America
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Issued Date -
Dec 12, 2024
app pub date -
Jun 12, 2024
filing date -
Jun 12, 2024
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Abstract
A device includes a first set of switches and a second set of switches; a first filter and a second filter each comprising an unfiltered terminal and a filtered terminal; and a first piezoelectric element and a second piezoelectric element each comprising a first contact and a second contact. Turning on the first set of switches and turning off the second set of switches applies a first driving voltage to the first piezoelectric element and applies a second driving voltage to the second piezoelectric element.
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