Title:
OPTICAL ACTUATOR, CAMERA MODULE, AND CAMERA-EQUIPPED DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/114181
Kind Code:
A1
Abstract:
An optical actuator that comprises an inside holder that can hold an optical path bending member, an outside holder that supports the inside holder such that the inside holder can pivot around a first axis, and a drive unit that makes the inside holder pivot. Either end part of the inside holder in a direction parallel to the first axis is rotatably supported on the outside holder via a bearing part. The drive unit has: an ultrasonic motor that is supported on the outside holder; and an intermediate part that is supported on the inside holder. The ultrasonic motor has an oscillator that resonates, and the intermediate part has a fan-shaped contact part that contacts the oscillator.
Inventors:
OSAKA TOMOHIKO
ENTA YOHEI
ENTA YOHEI
Application Number:
PCT/JP2021/043624
Publication Date:
June 02, 2022
Filing Date:
November 29, 2021
Export Citation:
Assignee:
MITSUMI ELECTRIC CO LTD (JP)
OSAKA TOMOHIKO
ENTA YOHEI
OSAKA TOMOHIKO
ENTA YOHEI
International Classes:
G03B5/00; G02B7/198; G03B15/00; G03B17/17; G03B30/00; H02N2/12; H04N5/225
Foreign References:
| JP2019138943A | 2019-08-22 | |||
| JP2017506366A | 2017-03-02 | |||
| JPH06225550A | 1994-08-12 | |||
| JP2018510368A | 2018-04-12 | |||
| JP2008197323A | 2008-08-28 |
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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