LENS HOLDER DRIVING DEVICE

Abstract: a lens holder driving device includes a fixed-side member; a first lens holder configured to hold a first lens body; a second lens holder configured to hold a second lens body; a first movable-side member including the first lens holder; a second movable-side member including the second lens holder; a first piezoelectric driver that moves the first lens holder in an optical axis direction by a motion of a first piezoelectric device; and a second piezoelectric driver that moves the second lens holder in the optical axis direction by a motion of a second piezoelectric device. the second movable-side member is included in the first movable-side member and is movable in the optical axis direction with respect to the first lens holder. the first piezoelectric driver is provided in the fixed-side member, and the second piezoelectric driver is provided in the second movable-side member.

Inventor(s): Katsutoshi SUZUKI, Takeshi MURAYAMA, Takuya KATO

CPC Classification: G03B13/34 (APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus ; photosensitive materials or processes for photographic purposes ; apparatus for processing exposed photographic materials ))

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