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:
May. 17, 2016
Filed:
Mar. 27, 2013
Applicant:
Research IN Motion Limited, Waterloo, CA;
Inventors:
Assignee:
BLACKBERRY LIMITED, Waterloo, Ontario, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/042 (2006.01); H03K 17/96 (2006.01); G06F 3/01 (2006.01); G06F 3/02 (2006.01); H03K 17/94 (2006.01); H03K 17/969 (2006.01); H03K 17/98 (2006.01);
U.S. Cl.
CPC ...
H03K 17/9629 (2013.01); G06F 3/017 (2013.01); G06F 3/0219 (2013.01); H03K 17/943 (2013.01); H03K 17/969 (2013.01); H03K 17/98 (2013.01); H03K 2217/96054 (2013.01);
Abstract
A keypad with optical sensors is provided. The keypad comprises keycaps, each keycap having a top surface. One or more optical sensors are located beneath top surfaces of adjacent keycaps. One or more light guides extend from a respective optical sensor towards the top surfaces.