Method of controlling piezoelectric drive device, method of controlling robot, and method of controlling printer

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11205973
APP PUB NO 20200244191A1
SERIAL NO

16752768

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Abstract

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A method of controlling a piezoelectric motor as a piezoelectric drive device having a vibrator including piezoelectric elements, a rotor as a driven unit that moves at a target speed by vibration of the vibrator, and drive signal generation units that generate drive signals and output the drive signals to the piezoelectric elements, includes intermittently outputting the drive signals to the piezoelectric elements by the drive signal generation units, wherein a time when output of the drive signals is stopped is shorter than a time from when output of the drive signal is stopped to stoppage of the vibration.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kajino, Kiichi Matsumoto, JP 29 82
Saito, Hidetoshi Fujimi, JP 96 1491

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