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. 27, 2014
Filed:
Apr. 23, 2010
Michael Joseph Pertuit, Irving, TX (US);
Richard James Brogle, Irving, TX (US);
Kuo-feng Tong, Waterloo, CA;
Adam Louis Parco, Waterloo, CA;
Michael Joseph Pertuit, Irving, TX (US);
Richard James Brogle, Irving, TX (US);
Kuo-Feng Tong, Waterloo, CA;
Adam Louis Parco, Waterloo, CA;
BlackBerry Limited, Waterloo, CA;
Abstract
A method includes determining first respective values representative of forces applied by a plurality of actuators to a touch-sensitive input device of an electronic device, controlling the actuators to cause the actuators to change the forces applied to the touch-sensitive input device, determining second respective values representative of the forces applied by the actuators to the touch-sensitive input device, and determining when there is a fault based on a change from the first respective values to the second respective values.