ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,388,361, issued on Aug. 12, was assigned to QUALCOMM Inc. (San Diego).

"Battery charging circuit and methods for trickle charging and precharging a dead multi-cell-in-series battery" was invented by Guoyong Guo (San Jose, Calif.), Cheong Kun (San Diego) and Chunping Song (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatus for trickle charging and precharging a dead multi-cell-in-series battery. One battery charging circuit generally includes a charge pump circuit comprising a plurality of switches, being coupled to first and second power supply nodes, and being configured to multiply (or divide) a first voltage at the...