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:
Mar. 28, 2017
Filed:
Feb. 01, 2016
Olympus Corporation, Shibuya-ku, Tokyo, JP;
Yo Furuya, Kamiina, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
A relay optics includes a positive first lens group, a positive second lens group, and a positive third lens group. The second lens group includes, closest to the object, a lens having the concave surface facing toward the object. The relay optics is configured in such a manner that a light flux passing between the second and third lens groups is a substantially-parallel light flux, and satisfies condition expressions below, where frepresents the focal length of the first lens group, drepresents the length from the primary image to a surface closest to the object in the first lens group, frepresents the combined focal length of the first and second lens groups, and exprepresents the length from an exit pupil position of an optics consisting of the first and second lens groups to a surface closest to the object in the second lens group:1≦≦4.30.16≦exp≦1.2.