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:
Nov. 28, 2017
Filed:
Apr. 29, 2015
Applicant:
Young Optics Inc., Hsinchu, TW;
Inventors:
Yuan-Hung Su, Hsinchu, TW;
Kai-Yun Chen, Hsinchu, TW;
Assignee:
YOUNG OPTICS INC., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01); G02B 13/18 (2006.01); G02B 15/177 (2006.01); G02B 13/04 (2006.01); G02B 15/20 (2006.01); G02B 15/163 (2006.01); G02B 27/00 (2006.01); G02B 13/00 (2006.01); G02B 5/00 (2006.01); G02B 15/15 (2006.01); G02B 13/14 (2006.01);
U.S. Cl.
CPC ...
G02B 15/177 (2013.01); G02B 5/005 (2013.01); G02B 13/009 (2013.01); G02B 13/04 (2013.01); G02B 13/146 (2013.01); G02B 13/18 (2013.01); G02B 15/14 (2013.01); G02B 15/15 (2013.01); G02B 15/163 (2013.01); G02B 15/20 (2013.01); G02B 27/0025 (2013.01);
Abstract
A zoom lens is provided. The zoom lens includes a first lens group, a second lens group, a third lens group and an aperture stop. The second lens group is disposed between the first lens group and the third lens group. The aperture stop is disposed between the first lens group and the second lens group. When the zoom lens zooms, the aperture stop is fixed without moving and the first lens group correspondingly moves.