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:
Jul. 14, 2015
Filed:
Sep. 02, 2010
Applicant:
Chao Chen, Waterloo, CA;
Inventor:
Chao Chen, Waterloo, CA;
Assignee:
BLACKBERRY LIMITED, Waterloo, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/00 (2006.01); H01H 13/83 (2006.01);
U.S. Cl.
CPC ...
H01H 13/83 (2013.01); H01H 2219/044 (2013.01); H01H 2219/056 (2013.01); H01H 2219/06 (2013.01); H01H 2219/062 (2013.01); H01H 2219/064 (2013.01);
Abstract
A backlighting assembly for use in a keypad assembly. The backlighting assembly includes at least one light emitting source configured to emit light; and a light guide assembly configured to receive the emitted light and direct the light toward the at least one key. The light guide assembly includes both a light guide film and a light guide frame for directing light from the light source toward the key(s).