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:
Jul. 15, 2025
Filed:
Jul. 01, 2022
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventor:
Tsuyoshi Mitarai, Saitama, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/16 (2021.01); G02B 21/24 (2006.01); G02B 26/00 (2006.01);
U.S. Cl.
CPC ...
G02B 7/16 (2013.01); G02B 21/248 (2013.01); G02B 26/007 (2013.01);
Abstract
An optical system is disposed on an opposite side to an object side with respect to an objective lens, and includes: a rotational movement member that is rotationally movably supported; and a plurality of light transmissive regions that are formed in the rotational movement member, are configured to be able to be disposed at a position intersecting an optical axis of the objective lens, and have different light transmission characteristics, and a rotational movement axis of the rotational movement member is configured to be non-parallel with the optical axis of the objective lens.