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:
Feb. 14, 2006
Filed:
Jul. 29, 2003
Shuichi Ono, Tokyo, JP;
Mitsuru Kuroda, Tokyo, JP;
Shuichi Ono, Tokyo, JP;
Mitsuru Kuroda, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A pushbutton switch mechanism has boardincorporating an electronic circuit thereon, metal sheet contactdisposed on board, a light-transmissive pushbutton disposed in an opening defined in a casing of the electronic device for being pressed from outside, the light-transmissive pushbutton having outer key topand presserformed with rubber sheetfor contacting metal sheet contact, and light-emitting elementsdisposed on boardaround presserfor applying light to a side surface of the presser. Presserhas a conical shape having an upper surface as a bottom surface substantially aligned with a lower surface of key topand a vertex for contacting metal sheet contact. Light emitted from light-emitting elementsis applied to the entire side surface of presser