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. 04, 2015
Filed:
Nov. 13, 2012
Applicant:
Motorola Solutions, Inc., Schaumburg, IL (US);
Inventors:
Roy L. Kerfoot, Jr., Lilburn, GA (US);
Michael D. Geren, Suwanee, GA (US);
John E. Herrmann, Suwanee, GA (US);
Assignee:
Motorola Solutions, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/416 (2006.01); G01R 31/36 (2006.01);
U.S. Cl.
CPC ...
G01R 31/3662 (2013.01); G01R 31/3631 (2013.01); G01R 31/3679 (2013.01);
Abstract
A method and apparatus for determining the condition of a rechargeable battery determines a dynamic impedance of the battery while discharging the battery, and determines a battery condition category based on the dynamic impedance. The battery can be discharged in a manner that recovers the stored energy being discharged from the battery.