ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,407, issued on Dec. 16, was assigned to INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE (Hsinchu, Taiwan).
"Clamping circuit" was invented by Jia-Yao Jhang (Taoyuan, Taiwan), Chiu-Pao Tien (Zhubei, Taiwan), Hsi-Chih Chang (Hsinchu, Taiwan) and Cheng-Min Chang (Keelung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A clamping circuit includes an insulated-gate bipolar transistor (IGBT), a transient-voltage-suppression (TVS) diode module, an isolated driving unit, a first independent power source and a first current limiting resistor. A second terminal of the TVS diode module is connected to a collector of the IGBT. A primary side of the isolated dri...