ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,750,019, issued on Sept. 29, was assigned to SiliconIntervention Inc. (Kelowna, Canada).
"Combined class D amplifier and buck regulator" was invented by A. Martin Mallinson (Kelowna, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and method for improving the efficiency of a D class amplifier, particularly at lower output levels. A class D amplifier having a load with inductance, such as a transducer, is configured to concurrently act as its own buck regulator. A capacitor connected to ground and to both ends of the transducer through switches functions as the buck regulator in connection with the inductance of the transducer, provid...