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:
Apr. 16, 2019
Filed:
Nov. 03, 2016
Applicant:
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Inventors:
Tae-Kun Lee, Seoul, KR;
Ki-Woo Lee, Hwaseong-si, KR;
Assignee:
Samsung Electronics Co., Ltd, , KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/17 (2006.01); G02B 15/26 (2006.01); G02B 5/00 (2006.01); G02B 7/10 (2006.01); G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
G02B 15/26 (2013.01); G02B 5/005 (2013.01); G02B 7/102 (2013.01); G02B 15/17 (2013.01); G02B 27/0025 (2013.01);
Abstract
An optical system is provided. The optical system includes a first lens group that has a positive refractive power, a second lens group that has a negative refractive power, a third lens group that has a negative refractive power, a fourth lens group that has a positive refractive power, and a fifth lens group that includes one or more lens groups, in sequence from an object, wherein the first lens group and the fifth lens group are fixed and the third lens group moves parallel to an optical axis to perform focusing when adjusting a magnification of the optical system.