Title:
OPTICAL ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/026965
Kind Code:
A1
Abstract:
An optical element driving device according to the present invention comprises a moving part which is capable of holding an optical element, a driving part which drives the moving part by vibrating a piezoelectric element, and a voltage-raising part which raises input voltage that is input into the piezoelectric element, wherein the voltage-raising part has an inductor connected in series to the piezoelectric element and a capacitor connected in parallel to the piezoelectric element. A camera module according to the present invention comprises an optical element driving device and an imaging part which captures a subject image formed by an optical element. A camera-mounted device according to the present invention comprises a camera module and an image processing part which processes image information acquired by the camera module.
Inventors:
ISHIKAWA MASAHIRO
OSAKA TOMOHIKO
OSAKA TOMOHIKO
Application Number:
PCT/JP2022/031306
Publication Date:
March 02, 2023
Filing Date:
August 19, 2022
Export Citation:
Assignee:
MITSUMI ELECTRIC CO LTD (JP)
ISHIKAWA MASAHIRO
OSAKA TOMOHIKO
ISHIKAWA MASAHIRO
OSAKA TOMOHIKO
International Classes:
G02B7/04; G03B15/00; G03B17/02; G03B30/00
Foreign References:
| JP2000329987A | 2000-11-30 | |||
| JP2007135348A | 2007-05-31 | |||
| JP2014140028A | 2014-07-31 | |||
| JP2021092726A | 2021-06-17 | |||
| JP2006119247A | 2006-05-11 |
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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