ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,300, issued on Oct. 28, was assigned to HYUNDAI MOBIS Co. LTD. (Seoul, South Korea).
"Current measurement apparatus" was invented by Sang Min Kim (Yongin-si, South Korea) and Jin Qyu Seo (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a current measurement apparatus using a Rogowski coil and an operational (OP) amplifier, the current measurement apparatus being capable of accurately measuring a current by compensating for an offset of the OP amplifier according to a temperature change. The current measurement apparatus that measures a measurement target current having a predetermined switching ...