ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,750,017, issued on Sept. 29, was assigned to Elite Semiconductor Microelectronics Technology Inc. (Hsinchu City, Taiwan).
"Class-D audio amplifier" was invented by Hsin-Yuan Chiu (Hsinchu City, Taiwan) and Che-Wei Hsu (Hsinchu City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A Class-D audio amplifier includes a triangular wave generator, a wave reshaping device and a pulse-width modulator. The triangular wave generator generates a first triangular wave. The wave reshaping device generates a second triangular wave by reshaping the first triangular wave. The pulse-width modulator modulates a pair of differential audio input waves with the seco...