US Patent Issued to Hitachi Astemo on June 17 for "Relay control device and method of controlling relay control device" (Japanese Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,289, issued on June 17, was assigned to Hitachi Astemo Ltd. (Hitachinaka, Japan).

"Relay control device and method of controlling relay control device" was invented by Hikaru Miura (Hitachinaka, Japan), Tatsumi Yamauchi (Hitachinaka, Japan) and Mutsumi Kikuchi (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a case where a load current flows in an energized state where a power supply is connected to a load, it is assumed that a measured voltage fluctuates due to a voltage drop caused by contact resistance of a relay contact, and thus the relay state cannot be accurately diagnosed. A relay control device that controls a relay con...