ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,082, issued on Sept. 1, was assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE (Daejeon, South Korea).

"Battery residual value evaluation system and operation method thereof" was invented by Jimin Oh (Daejeon, South Korea), Kwang Man Kim (Daejeon, South Korea) and Young-Gi Lee (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a battery residual value evaluation system, which includes a measurement unit that measures a voltage and a current of an external battery to generate a voltage signal and a current signal, a resistance calculation unit that generates a resistance value, a resistance change value, ...