ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,411, issued on Dec. 16, was assigned to VANGUARD INTERNATIONAL SEMICONDUCTOR Corp. (Hsinchu, Taiwan).

"Trigger circuit and operating circuit" was invented by Jung-Tsun Chuang (Tainan, Taiwan), Chieh-Yao Chuang (Kaohsiung, Taiwan), Chun-Chih Chen (New Taipei, Taiwan), Chien-Wei Wang (Taoyuan, Taiwan), Yeh-Ning Jou (Hsinchu, Taiwan) and Wei-Ting Chen (Kaohsiung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A trigger circuit coupled between an input-output pad and a core circuit and including an adjustment circuit and a protection circuit is provided. The adjustment circuit adjusts the voltage of the input-output pad to generate an output volt...