US Patent Issued to Avago Technologies International Sales on Sept. 2 for "Method and apparatus for suppressing audible buzz from high-efficiency switching-mode power supply" (California Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,407,259, issued on Sept. 2, was assigned to Avago Technologies International Sales Pte. Ltd. (Singapore).

"Method and apparatus for suppressing audible buzz from high-efficiency switching-mode power supply" was invented by Shengyuan Li (Irvine, Calif.), Jianlong Chen (Irvine, Calif.) and Xicheng Jiang (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A circuit includes a boost circuit, a first circuit coupled to the boost circuit and a second circuit coupled to the boost circuit. The boost circuit, the first circuit, and the second circuit form an open loop. The first circuit and the second circuit maintain a switching frequency of the boos...