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. 21, 2015
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); G09G 5/00 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0202 (2013.01);
Abstract
A keypad for an electronic device is provided and includes a substrate comprising an array of dome elements, an array of frets, an array of mechanical keys disposed in rows interleaved between the frets, a first deflection web supportively disposed adjacent to the substrate and a second deflection web disposed between the frets and the keys and the first deflection web. The substrate is configured to pre-load the first and second deflection webs toward the keys.