US Patent Issued to ARTERY TECHNOLOGY on March 31 for "Sensorless motor circuit providing accurate back electromotive force zero-crossing point detection and operation method thereof" (Taiwanese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,656, issued on March 31, was assigned to ARTERY TECHNOLOGY COMPANY (Hsinchu City, Taiwan).

"Sensorless motor circuit providing accurate back electromotive force zero-crossing point detection and operation method thereof" was invented by Ming-Tsan Lin (Keelung City, Taiwan), Zi-Xuan Huang (Nantou County, Taiwan) and Yi-Shiang Ouyang (Miaoli County, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sensorless motor circuit includes a brushless direct current motor, a driving circuit, a voltage adjustment circuit, a virtual neutral circuit, a comparator and a control circuit. The brushless direct current motor includes the first to third winding...