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:
Aug. 01, 2017
Filed:
Feb. 19, 2014
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Jeffrey G. Koller, Oxnard, CA (US);
Nils E. Mattisson, San Francisco, CA (US);
Thomas C. Greening, San Jose, CA (US);
P. Jeffrey Ungar, Sunnyvale, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); H01M 10/48 (2006.01); H01M 10/42 (2006.01); G01R 31/36 (2006.01);
U.S. Cl.
CPC ...
H01M 10/48 (2013.01); G01R 31/3651 (2013.01); G01R 31/361 (2013.01); G01R 31/3675 (2013.01); H01M 2010/4271 (2013.01); H01M 2220/30 (2013.01);
Abstract
The disclosed embodiments provide a system that manages use of a battery in a portable electronic device. During operation, the system obtains a voltage of the battery and a state-of-charge of the battery and calculates an effective C-rate of the battery using the voltage and the state-of-charge. Next, the system uses the effective C-rate to estimate an inaccessible capacity of the battery. Finally, the system manages use of the battery with the portable electronic device based on the inaccessible capacity.