US Patent Issued to Avago Technologies International Sales on Oct. 7 for "Method and apparatus for reducing audible buzz from a switching-mode power supply" (California Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,441, issued on Oct. 7, was assigned to Avago Technologies International Sales Pte. Ltd. (Singapore).

"Method and apparatus for reducing audible buzz from a switching-mode power supply" was invented by Shengyuan Li (Irvine, Calif.) and Xicheng Jiang (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus of the subject technology includes a circuit to switch a first current based on a switching frequency and generate an output voltage, and a first circuit coupled to the circuit to adjust the switching frequency through changing a frequency of the circuit to a value higher than a threshold."

The patent was filed on March 3, 2023, u...