ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,418, issued on June 30, was assigned to VANGUARD INTERNATIONAL SEMICONDUCTOR Corp. (Hsinchu, Taiwan).

"Signal generation circuit and control device" was invented by Jung-Tsun Chuang (Tainan City, Taiwan), Chieh-Yao Chuang (Kaohsiung City, Taiwan) and Wei-Ting Chen (Kaohsiung City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A signal generator circuit is provided. The gate of a first transistor and the drain of a second transistor are coupled to a first output terminal. The sources of the first and second transistors are coupled to a first power terminal. The drains of the first and third transistors, and the gate of the second transistor a...