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:
Jan. 22, 2013
Filed:
Oct. 01, 2009
Fook Chuin NG, Penang, MY;
Choon Guan Ko, Penang, MY;
Felix Cheang, Panang, MY;
Boon Keat Tan, Singapore, SG;
Fook Chuin Ng, Penang, MY;
Choon Guan Ko, Penang, MY;
Felix Cheang, Panang, MY;
Boon Keat Tan, Singapore, SG;
Avago Technologies ECBU IP (Singapore) Pte, Ltd., Singapore, SG;
Abstract
A keypad illumination apparatus having a key plate member, a flexible light guide film, a reflective layer, a plurality of metal domes, a light source and a substrate. The key plate member may have a plurality of keys formed thereon. The flexible light guide film is configured to transmit light from the light source and has a plurality of plunging structures and apertures to accommodate the plurality of metal domes, which may be configured to actuate a plurality of electrical switches on the substrate.