ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,680, issued on April 21, was assigned to ANPEC ELECTRONICS Corp. (Hsinchu, Taiwan).

"Positive hysteresis elimination comparison circuit and motor driver having positive hysteresis elimination comparison circuit" was invented by Chun-Cheng Chen (Hsinchu, Taiwan) and Ming-Jung Tsai (Changhua City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A positive hysteresis elimination comparison circuit and a motor driver having a positive hysteresis elimination comparison circuit are provided. The motor driver includes a comparator and a hysteresis switching circuit. The comparator compares a voltage of a first voltage signal received by a first inpu...