ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,688, issued on May 27, was assigned to Bayerische Motoren Werke AG (Munich).
"Device and method for carrying out measurements on battery cells" was invented by Jan Philipp Schmidt (Holzmaden, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrical circuit that enables a determination of a first voltage present inside a battery cell includes an oscillating circuit having a coil and a component, the electrical capacity of which depends on the voltage present on the component, and a reference electrode. The component can be a varactor diode. A method for determining a first voltage which is present within the battery cell and an arrangemen...