ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,020, issued on Feb. 17, was assigned to Black & Decker Inc. (New Britain, Conn.).
"System and method for charging a battery pack" was invented by William P. Rigdon (Baltimore), Lisa M. King (Towson, Md.), Bhanuprasad V. Gorti (Perry Hall, Md.), Brian K. Wohltmann (Shrewsbury, Pa.), Hussein M. Nosair (Parkville, Md.) and Michael Muilwyk (Felton, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure is directed to charging a battery pack by measuring an electrical impedance value of a battery pack by applying a sinusoidal AC excitation signal to a plurality of battery cells of the battery pack, measuring a total impedance value of ...