US Patent Issued to HIOKI E.E. on July 14 for "Excitation circuit, current sensor, and measuring device" (Japanese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,111, issued on July 14, was assigned to HIOKI E.E. Corp. (Nagano, Japan).

"Excitation circuit, current sensor, and measuring device" was invented by Yuki Karasawa (Nagano, Japan), Kenta Ikeda (Nagano, Japan), Koki Nakazawa (Nagano, Japan), Peiyu Xia (Nagano, Japan) and Kimihiko Yamagishi (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An excitation circuit includes a first operational amplifier that supplies a first excitation current to a first coil constituting a first flux gate, and a second operational amplifier that supplies a second excitation current to a second coil constituting a second flux gate. The excitation circuit furthe...