ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,521, issued on Feb. 3, was assigned to YAMAHA Corp. (Hamamatsu, Japan).
"Class-D amplifier, a method of generating a carrier wave signal in a class-D amplifier" was invented by Shinya Mizoshiri (Hamamatsu, Japan) and Masao Noro (Hamamatsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Pulse width modulators 131P and 131N respectively generate a first pulse Vp whose pulse width changes according to an input signal Vin based on the input signal Vin and a generated first carrier wave C1P, and a second pulse Vn whose pulse width changes according to the input signal Vin based on the input signal Vin and a generated second carrier wave C1N. Wherein...