LENS HOLDER DRIVING DEVICE

WIPO Patent Application WO/2024/034170

A1

A lens holder driving device (101) comprises: a first lens holder (3A) capable of holding a first lens body (LS1); a second lens holder (3B) capable of holding a second lens body (LS2); a first movable side member (MB1) including the first lens holder (3A); a second movable side member (MB2) including the second lens holder (3B); a first piezoelectric driving part (PD1) that moves the first lens holder (3A) in an optical axis direction by the movement of a first piezoelectric element (8A); and a second piezoelectric driving part (PD2) that moves the second lens holder (3B) in the optical axis direction by the movement of a second piezoelectric element (8B). The second movable side member (MB2) is included in the first movable side member (MB1), and is movable in the optical axis direction with respect to the first lens holder (3A). The first piezoelectric driving part (PD1) is provided in a fixed side member (FB), and the second piezoelectric driving part (PD2) is provided in the second movable side member (MB2).

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SUZUKI KATSUTOSHI (JP)
MURAYAMA TAKESHI (JP)
KATO TAKUYA (JP)

PCT/JP2023/008525

February 15, 2024

March 07, 2023

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ALPS ALPINE CO LTD (JP)

G02B7/08; G02B7/04; G02B7/10

WO2022163560A1

2022-08-04

JP2021513118A	2021-05-20
JP2017195713A	2017-10-26
JP2021105653A	2021-07-26
JP2009145516A	2009-07-02
JP2008206285A	2008-09-04

ITOH, Tadashige et al. (JP)

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