ALEXANDRIA, Va., June 9 -- United States Patent no. 12,650,684, issued on June 9, was assigned to TECHMAN ROBOT INC. (Taoyuan City, Taiwan).

"Safety system of mechanic equipment" was invented by Chun-Wen Lai (Taoyuan City, Taiwan), Chih-Jan Kao (Taoyuan City, Taiwan) and Ching-Wei Lee (Taoyuan City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mechanical equipment comprises a control system and a safety system. The safety system is coupled to the control system, and the safety system monitors the operation of the mechanical equipment, and generates a first monitoring signal and a second monitoring signal according to a synchronization signal. The first monitoring signal and the second monitoring s...