ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,726,147, issued on Sept. 1, was assigned to Nuvoton Technology Corporation Japan (Kyoto, Japan).
"Motor driver" was invented by Daisuke Fukuda (Kyoto, Japan), Takuya Ishii (Osaka, Japan), Shinichi Kuroshima (Kyoto, Japan) and Noriaki Emura (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A motor driver includes: a current detector that outputs a current signal corresponding to a motor current; a current comparison circuit that compares the current signal with a reference waveform signal; and a PWM circuit that outputs a first drive signal and a second drive signal. The first drive signal includes a first pulse that starts synchronously with ...