公开(公告)号：US20200026025A1

公开(公告)日：2020-01-23

申请号：US16496238

申请日：2017-06-28

Applicant: HANWHA TECHWIN CO., LTD.

Inventor： Dae Bong KIM ,  Young Sang KWON ,  Jae Goo LEE ,  Young Mi KIM ,  Hee Joong HAN

IPC: G02B7/10

Abstract: Provided is an optical device including an optics including at least two moving groups that are movable along an optical axis and share portions of driving regions; a plurality of actuators configured to move the at least two moving groups along the optical axis, respectively; and a control unit configured to control the positions of the at least two moving groups by operating the actuators, wherein the control unit moves the at least two moving groups independently, such that the position coordinates of the at least two moving groups in one integrated coordinates system do not coincide with each other.