1990•Japanese Journal of Applied PhysicsOpen access

Ultrasonic Motors Using Longitudinal and Torsional Modes of a Rod Vibrator

Yoshirô Tomikawa, Kazunari Adachi, Manabu Aoyagi, T. Sagae, Takehiro Takano

Abstract

Ultrasonic motors using longitudinal and torsional modes of a rod vibrator were studied. Some forms of the motor construction are proposed herein, and the operational principles are described together with the measured characteristics. The motors dealt with are expected to have practical application when further improved.

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Key concepts: Vibrator (electronic), Ultrasonic motor, Acoustics, Ultrasonic sensor, Materials science, Longitudinal mode, Mechanical engineering, Physics