Invention Grant
US09282254B2 Image pickup module operable to switch methods for driving a lens in an optical axis direction 有权
图像拾取模块可操作以切换在光轴方向上驱动透镜的方法

Image pickup module operable to switch methods for driving a lens in an optical axis direction
Abstract:
An image pickup module is provided with: lenses; a lens support unit that supports the lenses in a freely movable manner in the optical axis direction; an image pickup unit that detects light from the lenses and outputs an image signal; an operation information storage unit in which information about the operating state of the image pickup unit is stored; and a lens drive control unit including a drive circuit for driving the lenses in the optical axis direction and a drive method switching circuit for switching the drive method therefor between linear drive and pulse drive. The drive method switching circuit of the lens drive control unit is made so as to switch the drive method in accordance with the operating state information stored in the operation information storage unit.
Public/Granted literature
Information query
Patent Agency Ranking
0/0