ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,986, issued on Oct. 28, was assigned to DELTA ELECTRONICS INC. (Taoyuan, Taiwan).

"Energy-saving electromagnetic brake and operation method thereof" was invented by Chieh-Cheng Chen (Taoyuan, Taiwan), Ming-Chih Tsai (Taoyuan, Taiwan), Chia-Chi Lin (Taoyuan, Taiwan) and Yu-Wei Hsu (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An energy-saving electromagnetic brake includes a base, a first winding coil, a second winding coil, and a control circuit component. The first winding coil is disposed inside the base, wherein the first winding coil has a first resistance value. The second winding coil is disposed inside the base and is dispos...