US Patent Issued to Murata Manufacturing on Oct. 20 for "Charging circuit for bootstrap capacitors" (New Hampshire, California Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,236, issued on Oct. 20, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).

"Charging circuit for bootstrap capacitors" was invented by Gary Chunshien Wu (San Diego) and Gregory Szczeszynski (Nashua, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Power converter circuits and methods that include self-timed bootstrap capacitor power sources. Added to a power converter having a diode stack for charging bootstrap capacitors are three types of supplemental circuit blocks: a trigger block, a trigger-bypass block, and a bypass block. In operation, adjacent supplemental circuit blocks work in pairs. The upper block of the pair functions, whe...