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:
Sep. 04, 2018
Filed:
May. 19, 2016
Applicant:
Olympus Corporation, Tokyo, JP;
Inventor:
Seiji Sakai, Chofu, JP;
Assignee:
OLYMPUS CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61B 1/04 (2006.01); A61B 1/00 (2006.01); G02B 23/24 (2006.01); G02B 7/02 (2006.01); G02B 13/00 (2006.01); A61B 1/005 (2006.01); A61B 1/05 (2006.01); A61B 1/06 (2006.01); H04N 5/225 (2006.01);
U.S. Cl.
CPC ...
G02B 23/2476 (2013.01); A61B 1/00 (2013.01); A61B 1/0052 (2013.01); A61B 1/00114 (2013.01); A61B 1/04 (2013.01); A61B 1/05 (2013.01); A61B 1/0676 (2013.01); G02B 7/02 (2013.01); G02B 13/00 (2013.01); G02B 23/24 (2013.01); G02B 23/243 (2013.01); G02B 23/2446 (2013.01); H04N 5/2256 (2013.01); H04N 2005/2255 (2013.01);
Abstract
An image pickup unit includes an objective lens unit, cover glass fixed on a light receiving surface of an image pickup device, a circular optical member stuck to a front end face of the cover glass and having a diameter smaller than a diagonal line length of the cover glass, a holding frame having a circular fitting hole in which the optical member is fit from a rear, a first light blocking member disposed in a front of the optical member, and a second light blocking member disposed between a rear end face of the optical member and a front end face of the cover glass.