ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,768,904, issued on Oct. 20, was assigned to Yazaki Corp. (Tokyo).
"Ground fault detection apparatus, control method thereof, and control program" was invented by Haruhiko Yoshida (Makinohara, Japan), Yasuyuki Mochizuki (Makinohara, Japan) and Ryosuke Arigaya (Makinohara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control method of a ground fault detection apparatus for detecting a decrease in an insulation resistance of a system including a battery that is not grounded and a Y capacitor includes an insulation-resistance-decrease detection step of controlling a switching portion to measure a charging voltage of the first capacitor and to perf...