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:
Apr. 26, 2016
Filed:
Aug. 16, 2013
Applicant:
Blackberry Limited, Waterloo, CA;
Inventor:
Chao Chen, Waterloo, CA;
Assignee:
BlackBerry Limited, Waterloo, Ontario, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/02 (2006.01); H01H 13/85 (2006.01); H04M 1/23 (2006.01); G06F 1/16 (2006.01); H04M 1/18 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0202 (2013.01); G06F 1/1626 (2013.01); G06F 1/1662 (2013.01); H01H 13/85 (2013.01); H04M 1/23 (2013.01); H01H 2215/054 (2013.01); H01H 2221/044 (2013.01); H01H 2223/002 (2013.01); H01H 2239/006 (2013.01); H04M 1/18 (2013.01); H04M 2250/22 (2013.01);
Abstract
A keypad for an electronic device is provided and includes a substrate, a plurality of frets disposed with the substrate and a plurality of mechanical keys disposed with the substrate and arrayed in rows interleaved among the plurality of frets, at least one of the keys being deflectable toward a position at which a switch of a circuit is affected and a capacitive sensor layer disposed between the frets and the keys and the substrate to register movement of a capacitive element across the frets and the keys.