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:
Oct. 28, 2014

Filed:

Jun. 27, 2013
Applicant:

Konica Minolta, Inc., Chiyoda-ku, JP;

Inventor:

Yuichi Akahori, Toyokawa, JP;

Assignee:

Konica Minolta, Inc., Chiyoda-Ku, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0011 (2013.01); G02B 6/0013 (2013.01); G02B 6/002 (2013.01);
Abstract

A light guide comprising: a main light-guide housing that is elongated shaped, having a first end face, a second end face, and a first lateral face connecting the first end face and the second end face, and the main light-guide housing being elongated in a predetermined direction from the first end face to the second end face; and a protrusion that is connected to the main light-guide housing, having a third end face in an opposite direction from the predetermined direction and a second lateral face connecting the third end face to the first end face, and the protrusion projecting from the first end face in the opposite direction from the predetermined direction, wherein, light emitted toward the third end face by a light source in part exits the protrusion from the second lateral face, then enters the main light-guide housing from the first end face, and thereafter exits the light guide from the first lateral face.


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