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. 24, 2018
Filed:
Nov. 03, 2016
Olympus Corporation, Hachioji-shi, Tokyo, JP;
Masahiro Katakura, Chofu, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
An endoscope system includes an objective optical system OBL, an optical path splitting unit which splits an object image acquired by the objective optical system OBL into two optical images having a different focus, an image pickup element which acquires the optical images, and an image synthesis processing section which selects in a predetermined area an image with a relatively high contrast from the two optical images acquired, and generates a composite image, wherein the objective optical system OBL includes a first lens Lhaving a negative refractive power which is nearest to object, and the endoscope system satisfies the following conditional expressions (1) and (2).3<_diff/_pitch≤100  (1)0.005<_diff/1_<1.0  (2)