ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,924, issued on Sept. 23, was assigned to NIKO SEMICONDUCTOR Co. LTD. (New Taipei, Taiwan).
"Alternating current control system" was invented by Hui-Chiang Yang (Taipei Hsien, Taiwan) and Chia-Chang Lin (New Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An alternating current control system includes a zero crossing detector, an alternating current solid state relay, a constant current driver, and a microcontroller connected to the zero crossing detector and the constant current driver. The zero crossing detector and the alternating current solid state relay are connected to an alternating current power source, a first control pin of ...