| 摘要 |
PROBLEM TO BE SOLVED: To provide a miniaturized drive unit for which a contact member is not limited.SOLUTION: The drive unit according to the present invention includes: a fixed frame provided with a first housing space whose center axis is coaxial to an optical axis of a lens module and provided with an opening further; a movable member movably installed in the first housing space; a loading body fixed to the fixed frame and used for housing the movable member; a guide member movably installed to the movable member and fixed to the fixed frame and the loading body at both ends thereof; a contact member fixed to the movable member; a piezoelectric unit fixed to the opening and abutted to the contact member, for which the movable member is linked by frictional force with the contact member and the movable member is moved inside the first housing space along the guide member when the piezoelectric unit is deformed; a magnetic sheet fixed to the fixed frame; and a magnet fixed to the movable member corresponding to the magnetic sheet. |
