ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,523, issued on March 25, was assigned to Yamaha Corp. (Hamamatsu, Japan).
"Switching power supply" was invented by Masao Noro (Hamamatsu, Japan) and Yoshiro Miyake (Hamamatsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a switching power supply, a rectifying circuit outputs a first voltage. A switching circuit switches the first voltage into a switching voltage. An output circuit generates a second voltage based on the switching voltage. A feedback circuit generates the feedback signal based on the first and second voltages, and includes a carrier wave generation circuit that generates a carrier wave. The carrier wave has a non-linear s...