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:
Oct. 11, 2011
Filed:
May. 12, 2009
Choon Guan Ko, Sungai Dua, MY;
Muh Fong Chung, Bukit Jambul, MY;
Sian Tatt Lee, Georgetown, MY;
Fook Chuin NG, Butterworth, MY;
Choon Guan Ko, Sungai Dua, MY;
Muh Fong Chung, Bukit Jambul, MY;
Sian Tatt Lee, Georgetown, MY;
Fook Chuin Ng, Butterworth, MY;
Avago Technologies ECBU IP (Singapore) Pte. Ltd., Singapore, SG;
Abstract
An illuminated keypad is disclosed herein. And embodiment of the keypad comprises a first zone and a second zone; a substrate comprising a substrate surface; a first switch located on the substrate in the first zone; a first light guide having a first light guide first side and a first light guide second side, wherein the first light guide first side faces the first switch; a second light guide having a second light guide first side and a second light guide second side, wherein the second light guide first side faces the substrate surface; a masking layer having a masking layer first side and a masking layer second side, the masking layer first side facing the substrate surface; and at least one cut in the masking layer, wherein the masking layer blocks a light path between the light guides.