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:
Aug. 12, 2014
Filed:
Mar. 17, 2011
Tadamine Toh, Kanagawa, JP;
Tadamine Toh, Kanagawa, JP;
NEC Infrontia Corporation, Kanagawa, JP;
Abstract
Provided is a button lighting structure that includes: a plurality of button members () arranged in a matrix with intervals; and light-emitting element () disposed in the interval of the plurality of button members (). The button lighting structure includes button cover member () including plate-like portion () having a plurality of openings () into which the plurality of button members () is inserted, translucent guide () that guides the movement of button members () pushed into openings (), and peripheral wall portion () formed along the outer periphery of plate-like portion (), and configured to irregularly reflect, by plate-like portion () and peripheral wall portion (), light from light-emitting element () disposed to face plate-like portion (). Button member () includes translucent sidewall portion () into which the light, that is emitted from light-emitting element () and that has passed through guide (), enters.