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公开(公告)号：US20230262314A1
公开(公告)日：2023-08-17
申请号：US18168407
申请日：2023-02-13
Applicant: FUJIFILM Corporation
Inventor： Takeya ABE , Shinji OTSUKA , Azuchi ENDO
Abstract: A lens driving mechanism includes first and second piezoelectric rods that move a lens and first and second sensors that detect a position of the lens. An angle formed between a line (a first piezoelectric line) that extends from the first piezoelectric rod to be perpendicular to an optical axis and a line (a first sensor line) that extends from the first sensor to be perpendicular to the optical axis is smaller than 90°. An angle formed between a line (a second piezoelectric line) that extends from the second piezoelectric rod to be perpendicular to the optical axis and a line (a second sensor line) that extends from the second sensor to be perpendicular to the optical axis is smaller than 90°.
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公开(公告)号：US20230251457A1
公开(公告)日：2023-08-10
申请号：US18166182
申请日：2023-02-08
Applicant: FUJIFILM Corporation
Inventor： Azuchi ENDO , Masahiko MIYATA , Masahiro HIDESHIMA
CPC classification number: G02B7/102 , G02B7/282 , H02N2/026 , H02N2/142 , H04N23/672
Abstract: A drive device includes a piezoelectric element, a drive shaft that receives vibration of the piezoelectric element and vibrates along an optical axis direction of a first imaging optical system, an engagement member that is frictionally engaged with the drive shaft and is connected to the first imaging optical system, and a lens controller that controls vibration of the piezoelectric element, in which the first imaging optical system is provided to be movable in a range including at least a first position and a second position, and the lens controller performs control of moving the first imaging optical system from the first position to the second position in a case in which a signal for instructing a power of the drive device to be turned off is received.
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