The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 19, 2022
Filed:
Jun. 28, 2017
Hanwha Techwin Co., Ltd., Seongnam-si, KR;
Dae Bong Kim, Seongnam-si, KR;
Young Sang Kwon, Seongnam-si, KR;
Jae Goo Lee, Seongnam-si, KR;
Young Mi Kim, Seongnam-si, KR;
Hee Joong Han, Seongnam-si, KR;
HANWHA TECHWIN CO., LTD., Seongnam-si, KR;
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.