ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,194, issued on April 21.
"Control system" was invented by Chen I Lin (Taichung City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a control system, which is composed of a main controller electrically connected to an AC chopper wall-controller, enabling users to control the AC chopper wall-controller by pressing, and the AC chopper wall-controller fully utilizes the principle of AC electricity and combining it with the characteristics of AC zero-crossing circuit, the main controller that controls an electrical appliance is capable of easily identifying signals, and at the same time, signals of the main controller wi...