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:
May. 27, 2025
Filed:
Nov. 11, 2020
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventor:
Hyung Rok Shim, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 15/20 (2006.01); G02B 15/14 (2006.01); G03B 5/02 (2021.01);
U.S. Cl.
CPC ...
G02B 15/20 (2013.01); G02B 15/144 (2019.08); G03B 5/02 (2013.01);
Abstract
A zoom optical system according to an embodiment of the present invention includes a first lens group, a second lens group, a third lens group, and a fourth lens group which are sequentially disposed in a direction from an object side to an image side, wherein the second lens group and the third lens group are movable, a total track length (TTL) is less than 20 mm, and an effective focal length (EFL) in a telephoto is greater than 25 mm.
Shim, Hyung. (2025). Optical system and camera module comprising same (U.S. Patent No. 12313827). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12313827
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile