US Patent Issued to Joulwatt Technology on Oct. 21 for "Switching frequency synchronization circuit, method therefor and switching power supply" (Chinese Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,891, issued on Oct. 21, was assigned to Joulwatt Technology Co. Ltd. (Hangzhou, China).

"Switching frequency synchronization circuit, method therefor and switching power supply" was invented by Pitleong Wong (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a switching frequency synchronization circuit, a method therefor and a switching power supply. By comparing peak values of a second charging voltage signal which represents an internal clock signal and a first charging voltage signal which represents an external clock signal, it is determined whether the frequency of the external clock signal meets ...