ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,017, issued on Oct. 14, was assigned to ANPEC ELECTRONICS Corp. (Hsinchu, Taiwan).
"Motor driver using spread spectrum mechanism for reducing electromagnetic interference" was invented by Ming-Jung Tsai (Changhua County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A motor driver using a spread spectrum mechanism for reducing electromagnetic interference is provided. The motor driver generates a plurality of waveforms in each of a plurality of on-time signals, and modulates frequencies of at least some of the plurality of waveforms in each of the plurality of on-time signals to be different from each other. The motor driver drives the motor...