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:
Sep. 27, 2011
Filed:
Jun. 03, 2008
Pentti Olavi Ahlgren, Helsinki, FI;
Ilkka Tapani Heikkilä, Halikko as, FI;
Pentti Olavi Ahlgren, Helsinki, FI;
Ilkka Tapani Heikkilä, Halikko as, FI;
Nokia Corporation, Espoo, FI;
Abstract
A two-sided illumination device including a printed wiring board, a first light source and first translucent member connected to a first side of the wiring board, and a second light source and second translucent member connected to a second side of the wiring board. The first translucent member is configured to transfer light from the first light source to a surface of the first translucent member, while the second translucent member is configured to transfer light from the second light source to a surface of the second translucent member. The illumination device is used for illuminating a user input region of an apparatus.