US Patent Issued to DAIKIN INDUSTRIES on Oct. 7 for "Noise reduction circuit, power conversion device, and refrigeration apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,440, issued on Oct. 7, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Noise reduction circuit, power conversion device, and refrigeration apparatus" was invented by Kodai Okuzono (Osaka, Japan), Yoshitsugu Koyama (Osaka, Japan), Masaki Kono (Osaka, Japan), Hirotaka Doi (Osaka, Japan) and Reiji Kawashima (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A noise reduction circuit includes: noise canceler circuitry configured to inject a compensation current into a power line and ground to reduce a common mode noise current that flows through the power line and the ground into a commercial power supply from a power converter with a s...