ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,223, issued on March 3, was assigned to AICHI STEEL Corp. (Tokai, Japan).
"Magnetic detection device" was invented by Takeshi Kawano (Aichi, Japan) and Shiori Itabuchi (Aichi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A magnetic detection device includes a magnetoimpedance sensor element, a main operational amplifier whose input terminals are connected to a first end and a second end of a detection coil, a first feedback circuit that is connected between an output terminal of the main operational amplifier and the first end of the detection coil and is configured to generate a first feedback voltage, and a second feedback circuit that is ...