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:
Jun. 17, 2014
Filed:
Aug. 04, 2009
Hiroyuki Toba, Saitama, JP;
Hiroyuki Toba, Saitama, JP;
NEC Corporation, Tokyo, JP;
Abstract
A portable telephone includes key backlight light-emitting unitsthat are provided corresponding to a plurality of operation keysand control unitthat instructs key backlight light-emitting unitsabout the colors of the light that is to be emitted. Key backlight light-emitting unitsrespectively include a plurality of light-emitting devicesthat produce different colors and lighting control unitsthat control the plurality of light-emitting devicesin accordance with instructions from control unit. Control unitinstructs to cause light to be emitted in a specified color to key backlight light-emitting units that correspond to one or a plurality of operation keys and instructs to cause light to be emitted in colors other than the specified color to key backlight light-emitting units other than the key backlight light-emitting units that are lighted in the specified color.