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:
Mar. 18, 2008
Filed:
Oct. 23, 2003
Jussi Hakunti, Turku, FI;
Mikko Laitinen, Halikko, FI;
Jussi Hakunti, Turku, FI;
Mikko Laitinen, Halikko, FI;
Nokia Corporation, Espoo, FI;
Abstract
A keyboard assembly () has a light guide () and a supporting structure () arranged to provide an illuminated and integrated keyboard assembly (). A light guide () provides an integrated supporting, protecting and illuminating structure for keyboard assemblies (). The keyboard assembly () has a layer of rigid material () which separates the elastic layer () from the printed wired board () located under the rigid layer (). The layers are bonded together. The protection rib () is part of the combination of the elastic layer () and rigid layer () which is supported against the printed wired board () by the rigid layer (). The combined structure of the light guide and supporting frame forms an integrated structure () which illuminates an array of keys (), supports the keyboard assembly () and protects the keys () and key topsfrom mechanical stress.