PIEZOELECTRIC ULTRASONIC MOTOR, OPTICAL MEMBER DRIVING DEVICE, CAMERA DEVICE, AND LECTRONIC APPARATUS
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Aug 24, 2023
app pub date -
Feb 21, 2023
filing date -
Feb 22, 2022
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A piezoelectric ultrasonic motor including: a columnar body having two opposite bottom surface portions and a plurality of side surface portions surrounding a region between the two bottom surface portions, and having a through hole that penetrates between the two bottom surface portions; a driving shaft inserted through the through hole of the columnar body; and a flexible printed circuits (FPC) on which a plurality of sheet-like piezoelectric elements are mounted, wherein the FPC has an FPC main body bringing the plurality of piezoelectric elements into contact respectively with the plurality of side surface portions of the columnar body and wound around the columnar body, and can supply driving electric power to the plurality of piezoelectric elements.
First Claim
Other Claims data not available