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:
Mar. 31, 2020
Filed:
Jul. 20, 2015
Applicant:
Young Optics Inc., Hsinchu, TW;
Inventors:
Kuo-Chuan Wang, Hsinchu, TW;
Bing-Ju Chiang, Hsinchu, TW;
Pin-Hsuan Hsieh, Hsinchu, TW;
Kai-Yun Chen, Hsinchu, TW;
Yu-Hung Chou, Hsinchu, TW;
Assignee:
Young Optics Inc., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/177 (2006.01); G02B 13/14 (2006.01); G02B 13/18 (2006.01);
U.S. Cl.
CPC ...
G02B 15/177 (2013.01); G02B 13/14 (2013.01); G02B 13/18 (2013.01);
Abstract
A zoom lens arranged along an optical axis includes a first lens group and a second lens group. The second lens group has at least one aspheric lens. The first lens group moves toward an image side and the second lens group moves away from the image side along the optical axis during zooming. The first lens group is moved for focusing, and the second lens group is moved for zooming.