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:
Dec. 24, 2024
Filed:
Dec. 09, 2021
Applicant:
Olympus Corporation, Tokyo, JP;
Inventor:
Kazunari Hanano, cHachioji, JP;
Assignee:
OLYMPUS CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61B 1/00 (2006.01); A61B 1/06 (2006.01); A61B 1/07 (2006.01); F21V 8/00 (2006.01); G02B 19/00 (2006.01); G02B 23/24 (2006.01);
U.S. Cl.
CPC ...
A61B 1/00096 (2013.01); A61B 1/07 (2013.01); G02B 6/0006 (2013.01); G02B 23/2469 (2013.01); A61B 1/0661 (2013.01); G02B 19/0057 (2013.01);
Abstract
An illumination optical system includes: a condenser lens; a first light guiding member configured to guide the light input to a first entrance end face by reflecting the light inside the condenser lens, and output the light from a first exit end face; a pupil generating lens configured to generate a pupil with the first exit end face serving as an object surface; and a second light guiding member configured to guide the light input to a second entrance end face by reflecting the light inside the second light guiding member, and output the light from a second exit end face.