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. 10, 2016
Filed:
Feb. 08, 2013
Applicant:
Research IN Motion Limited, Waterloo, CA;
Inventors:
Mallikarjun Boda, Irving, TX (US);
Jace William Files, Irving, TX (US);
Jonathan Quinn Brubacher, Waterloo, CA;
Yu William Feng, Waterloo, CA;
Assignee:
BlackBerry Limited, Waterloo, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/16 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H02J 7/0014 (2013.01); H02J 7/0013 (2013.01); H02J 7/0026 (2013.01); H02J 2007/0037 (2013.01); Y10T 307/555 (2015.04);
Abstract
A method and system to charge efficiently and safely batteries that power an electronic device and are comprised in an electronic device. The method and system performs measurement of electrical currents flowing in different branches of an electrical circuit that comprises the batteries and determines if there if there is a battery connection fault. The charge current used to charge the batteries is adjusted in accordance with the detected fault or absence thereof, in order not to exceed a safe current limit.