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:
Jun. 18, 2019
Filed:
Jun. 07, 2017
Applicant:
Young Optics Inc., Hsinchu Science Park, TW;
Inventors:
Yuan-Hung Su, Hsinchu Science Park, TW;
Bing-Ju Chiang, Hsinchu Science Park, TW;
Kuo-Chuan Wang, Hsinchu Science Park, TW;
Assignee:
YOUNG OPTICS INC., Hsinchu Science Park, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/16 (2006.01); G02B 15/173 (2006.01); G02B 7/04 (2006.01);
U.S. Cl.
CPC ...
G02B 15/16 (2013.01); G02B 7/04 (2013.01); G02B 15/173 (2013.01);
Abstract
On embodiment of the invention discloses an optical lens including five lens group and an aperture stop. Each lens group includes at least one lens with refractive power, and the aperture stop is fixed in a position between a second lens group and a third lens group. Further, a distance between a first lens group and a fifth lens group remains fixed during zooming or focusing, and respective distances of the second lens group and a fourth lens group relative to the fifth lens group vary during zooming or focusing.