VIBRATION DRIVING DEVICE
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United States of America Patent
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Issued Date -
Aug 18, 2022
app pub date -
Feb 10, 2022
filing date -
Feb 17, 2021
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Abstract
A vibration driving device includes a vibration actuator including a vibrating body and a contact body, the vibrating body including an elastic body and an electromechanical energy conversion element, the contact body being in contact with the vibrating body and movable relatively to the vibrating body; and a control device including a signal generating circuit and a boosting circuit, the boosting circuit including an air-core transformer electrically connected to the signal generating circuit. The vibration actuator is configured to receive a signal output by the control device.
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