US Patent Issued to MIPTECH on July 14 for "Switching power supply control method and switching power supply" (Chinese Inventor)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,479, issued on July 14, was assigned to MIPTECH Ltd. (China).

"Switching power supply control method and switching power supply" was invented by Jun Shen (Central Hong Kong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A switching power supply control method includes the following: after the high-voltage startup of the switching power supply, the secondary control module adjusts the cut-off current of the second switching transistor according to a voltage waveform at a second connection point until a voltage waveform at a first connection point just reaches zero, the primary control module controls the first switching transistor to be turned...