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:
Dec. 21, 2021
Filed:
Mar. 04, 2020
Zhejiang Dahua Technology Co., Ltd., Zhejiang, CN;
Changtao Hu, Hangzhou, CN;
Kai Liu, Hangzhou, CN;
Faguan Lin, Hangzhou, CN;
Hongxing Ding, Hangzhou, CN;
ZHEJIANG DAHUA TECHNOLOGY CO., LTD., Hangzhou, CN;
Abstract
The present disclosure relates to a lens system and an imaging device including the lens system. The lens system may include a first lens group, a second lens group, a third lens group, a fourth lens group, and a fifth lens group in sequence from an object side to an image side along an optical axis of the lens system. At least one of the first lens group, the second lens group, the third lens group, the fourth lens group, and the fifth lens group may be adjustable along the optical axis of the lens system to adjust a focal length of the lens system. The lens system may satisfy