ULTRASONIC DRIVING DEVICE USING RINGLIKE PIEZOELECTRIC VIBRATOR

PURPOSE:To increase the torque of an ultrasonic driving device inexpensively by applying an AC electric field in the thicknesswise (radial) direction of a ringlike piezoelectric element and driving a driver by a surface displacement toward the central direction. CONSTITUTION:When an AC electric fiel...

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Bibliographic Details
Main Author HONDA KEISUKE
Format Patent
LanguageEnglish
Published 12.09.1988
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
GENERATION
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