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:
Oct. 03, 2017
Filed:
Nov. 03, 2016
Applicant:
Olympus Corporation, Hachioji-shi, Tokyo, JP;
Inventor:
Yoshiharu Takasugi, Iruma, JP;
Assignee:
OLYMPUS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 23/00 (2006.01); A61B 1/00 (2006.01); G02B 23/24 (2006.01); G02B 13/04 (2006.01); G02B 23/26 (2006.01); G02B 23/02 (2006.01);
U.S. Cl.
CPC ...
A61B 1/00179 (2013.01); A61B 1/00096 (2013.01); A61B 1/00177 (2013.01); A61B 1/00186 (2013.01); G02B 13/04 (2013.01); G02B 23/02 (2013.01); G02B 23/24 (2013.01); G02B 23/243 (2013.01); G02B 23/26 (2013.01);
Abstract
An oblique-viewing objective optical system includes in order from an object side, a front-side lens group which includes a negative lens, an optical path converting element, an aperture stop, and a rear-side lens group having a positive refractive power, wherein the rear-side lens group includes a positive lens and a cemented lens having a positive refractive power, and the cemented lens includes in order from the object side a positive lens and a negative lens.