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.:

US 8172414 B1

PDF
Full Text
Expired
Date of Patent:
May. 08, 2012

Filed:

Apr. 16, 2008
Applicant:

Kinya Tamura, Nakano-ku, JP;

Inventor:

Kinya Tamura, Nakano-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 11/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

An illuminating device, for illuminating display designed parts on a display panel, includes at least one light source arranged at a rear side of the display panel, and a light guide body having a light guide portion for guiding the light toward its outer-circumferential portion to output the light toward the display designed parts through a front surface of the light guide portion. The outer-circumferential portion has an outer-circumferential side wall surface at is outer end. The light guide portion has at least one projecting portion projecting from the outer-circumferential side wall surface. The projecting portion is provided with a reflecting side surface formed along the outer-circumferential side wall surface so that the reflecting side surface can reflect the light traveling in the light guide portion to be outputted through the front surface of the light guide portion.


Find Patent Forward Citations

Tamura, Kinya. (2012). Instrument illuminating device with light guide body (U.S. Patent No. 8172414). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8172414

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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