Title:
DRIVE UNIT, LENS DRIVING DEVICE, CAMERA MODULE, AND CAMERA-EQUIPPED DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/102306
Kind Code:
A1
Abstract:
This drive unit comprises: an ultrasonic motor that converts the oscillation of a piezoelectric element to linear movement; a contact part that contacts a resonating part; a support part that is connected to a moveable part and supports the contact part; and an impelling part which is coupled to the contact part and which impels the contact part toward the resonating part so that the contact part moves in accordance with the resonance of the resonating part and transmits impelling force to the moveable part via the support part.
Inventors:
SUZUKI SHUN
SUGAWARA MASAYOSHI
SUGAWARA MASAYOSHI
Application Number:
PCT/JP2021/037359
Publication Date:
May 19, 2022
Filing Date:
October 08, 2021
Export Citation:
Assignee:
MITSUMI ELECTRIC CO LTD (JP)
SUZUKI SHUN
SUGAWARA MASAYOSHI
SUZUKI SHUN
SUGAWARA MASAYOSHI
International Classes:
G02B7/04; G03B17/17; G03B30/00; H02N2/04; H04N5/232
Domestic Patent References:
| WO2018139581A1 | 2018-08-02 | |||
| WO2020036157A1 | 2020-02-20 | |||
| WO2021210365A1 | 2021-10-21 |
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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