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.

Date of Patent:
Jun. 05, 2018

Filed:

Feb. 10, 2017
Applicant:

Olympus Corporation, Hachioji-shi, Tokyo, JP;

Inventors:

Kei Matsuoka, Hachioji, JP;

Hitoshi Yoshida, Hino, JP;

Assignee:

Olympus Corporation, Tokyo, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 15/05 (2006.01); G03B 15/03 (2006.01); G03B 17/56 (2006.01); G02B 5/02 (2006.01);
U.S. Cl.
CPC ...
G03B 15/03 (2013.01); G02B 5/0284 (2013.01); G03B 17/565 (2013.01); G03B 15/05 (2013.01); G03B 2215/0503 (2013.01); G03B 2215/0525 (2013.01); G03B 2217/002 (2013.01);
Abstract

An illumination apparatus includes: a light-guiding portion including a light-introducing opening through which light is introduced from a light-emitting portion of an image pickup apparatus, a reflective surface that reflects light introduced from the light-introducing opening toward an image pickup optical axis of the image pickup apparatus, and a diffusion portion that diffuses the light reflected by the reflective surface toward an object as diffused light; and a reflective body including an opening portion allowing an image pickup opening of the image pickup apparatus to be exposed, and a reflective portion provided around the opening portion and including a reflective surface formed to expand from the opening portion toward the object, wherein the diffusion portion is disposed at a part of the reflective portion and the reflective body includes a wall portion extending to the object side at a boundary between the opening portion and the diffusion portion.


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